1206L020-C [LITTELFUSE]
POLYFUSE㈢ Resettable PTCs Surface Mount; POLYFUSE®恢复PTC表面贴装
| 型号： | 1206L020-C |
| 厂家： | 
LITTELFUSE |
| 描述： | POLYFUSE㈢ Resettable PTCs Surface Mount |
| 文件： | 总74页 (文件大小：5036K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
•ꢀ
•ꢀ
•ꢀ
•ꢀ
•ꢀ
USBꢀperipherals
Diskꢀdrives
Mobileꢀphonesꢀ-ꢀbatteryꢀ
andꢀportꢀprotection
•ꢀ
•ꢀ
•ꢀ
Diskꢀdrives
CD-ROMs
PDAsꢀ/ꢀdigitalꢀcameras
Plugꢀandꢀplayꢀprotectionꢀ
forꢀmotherboardsꢀandꢀ
peripherals
Gameꢀconsoleꢀportꢀ
protection
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Surface Mount
0805L Series
Description
Theꢀnewꢀ0805Lꢀseriesꢀdeviceꢀprovidesꢀsurfaceꢀmountꢀ
overcurrentꢀprotectionꢀforꢀapplicationsꢀwhereꢀspaceꢀisꢀatꢀ
aꢀpremiumꢀandꢀresettableꢀprotectionꢀisꢀdesired.
Features
•ꢀ
•ꢀ
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-freeꢀ
•ꢀ
•ꢀ
•ꢀ
Lowꢀresistance
Low-profile
Fastꢀresponseꢀtoꢀfaultꢀ
currents
Compatibleꢀwithꢀhighꢀ
temperatureꢀsolders
Compactꢀdesignꢀsavesꢀ
boardꢀspace
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P d
max.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
Marking
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
0805L010
0805L020
0805L035
0805L050
0805L075
0805L100
A
C
E
F
0.10
0.20
0.35
0.50
0.75
1.0
0.30
0.50
0.75
1.00
1.50
1.95
15
9
100
100
100
100
40
0.5
0.5
0.5
0.5
0.6
0.6
0.50
8.00
8.00
8.00
8.00
8.00
1.50
0.02
0.10
0.10
0.20
0.30
1.000
0.650
0.250
0.150
0.090
0.060
3.500
2.000
0.750
0.500
–
6.000
3.500
1.200
0.850
0.350
0.210
X
X
X
X
X
X
X
X
X
X
X
X
6
6
G
N
6
6
40
–
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
)
0805L Series
ꢀ
www.littelfuse.com
Specifications are subject to change without notice.
Electronics Designers Guide
©2006 Littelfuse
POLYFUSE® Resettable PTCs
Surface Mount
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
0805L010
0805L020
0805L035
0805L050
0805L075
0805L100
Hold Current (A)
0.12
0.25
0.44
0.62
0.90
1.25
0.11
0.23
0.39
0.55
0.79
1.10
0.10
0.20
0.35
0.50
0.75
1.00
0.08
0.17
0.30
0.40
0.63
0.82
0.07
0.14
0.27
0.37
0.57
0.74
0.06
0.12
0.24
0.33
0.53
0.65
0.05
0.10
0.20
0.29
0.41
0.55
0.03
0.07
0.14
0.23
0.34
0.42
0.14
0.28
0.47
0.68
1.00
1.35
Average Time Current Curves
Temperature Rerating Curve
170%
150%
130%
100000
10000
1000
100
110%
90%
70%
50%
30%
10%
10
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
1
0.100
0.010
0.001
0.02
0.100
1
10
100
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.10
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
www.littelfuse.com
ꢁ
0805L Series
Specifications are subject to change without notice.
©2006 Littelfuse
Electronics Designers Guide
•ꢀ
•ꢀ
Recommendedꢀmaximumꢀpasteꢀthicknessꢀisꢀ0.25mmꢀ(0.010ꢀinch)
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀandꢀ
solvents.ꢀ
Note:ꢀ
Ifꢀreflowꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀprofile,ꢀ
devicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀrequirements.
POLYFUSE® Resettable PTCs
Surface Mount
Soldering Parameters
Condition
Reflow
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
260°Cꢀ/ꢀ10ꢀSec
Soldering
Cooling
260
220
60ꢀSecꢀ~ꢀ100ꢀSec
50ꢀSecꢀ~ꢀ150ꢀSec
<
0°C~35°C,ꢀ 70ꢁRH
=
Preheating
180
120
•ꢀ
Recommendedꢀreflowꢀmethods:ꢀIR,ꢀvaporꢀphaseꢀoven,ꢀhotꢀairꢀ
oven,ꢀN2ꢀenvironmentꢀforꢀlead-free
•ꢀ
Devicesꢀareꢀnotꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀbottomꢀsideꢀ
ofꢀtheꢀboard.
0
60 to 100
120
50 to 150
Time(s)
Physical Specifications
Environmental Specifications
Operating/Storage
Gold-PlatedꢀCopperꢀorꢀSolder-Platedꢀ
Terminal Material
Lead Solderability
-40°Cꢀtoꢀ+85°C
Copperꢀ(SolderꢀMaterial:ꢀMatteꢀTinꢀ(Sn))
Temperature
MeetsꢀEIAꢀSpecificationꢀRS186-9E,ꢀANSI/
J-STD-002ꢀCategoryꢀ3.
Maximum Device Surface
Temperature in Tripped State
125°C
+85°C,ꢀ1000ꢀhours
Passive Aging
5ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ1000ꢀhours
5ꢁꢀtypicalꢀresistanceꢀchange
Humidity Aging
MIL-STD-202ꢀMethodꢀ107Gꢀ
+85°C/-40°Cꢀ20ꢀtimesꢀ
-30ꢁꢀtypicalꢀresistanceꢀchange
Thermal Shock
Solvent Resistance
Vibration
MIL-STD-202,ꢀMethodꢀ215
Noꢀchange
MIL-STD-883C,ꢀMethodꢀ
2007.1,ꢀConditionꢀA
Noꢀchange
0805L Series
ꢂ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Surface Mount
Dimensions
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
SHOWN IS 1.0AMP RATING
C
A
Top
Side
View
B
View
N
1.20 mm
(.047)
Bottom
View
Pad
1.50 mm
(.059)
Layout
D
E
1.00 mm
(.040)
A
B
C
D
E
Part
Number
Inches
mm
Inches
mm
Inches
mm
Inches mm
Inches
mm
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min Max. Min. Max.
0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.02 0.04 0.55 1.00 0.01 0.20 0.004 0.02 0.10 0.45
0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.02 0.04 0.55 1.00 0.01 0.20 0.004 0.02 0.10 0.45
0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.02 0.03 0.45 0.75 0.01 0.20 0.004 0.02 0.10 0.45
0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.03 0.05 0.75 1.25 0.01 0.20 0.004 0.02 0.10 0.45
0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.03 0.05 0.75 1.25 0.01 0.20 0.006 0.02 0.15 0.45
0.08 0.09 2.00 2.20 0.05 0.06 1.20 1.50 0.03 0.07 0.80 1.80 0.01 0.20 0.006 0.02 0.15 0.45
0805L010
0805L020
0805L035
0805L050
0805L075
0805L100
Part Numbering System
0805 L 100 W R
PACKAGING STYLE
R: Tape & Reel
SERIES
QUANTITY CODE: W=3000 Y=4000
I HOLD HOLD CURRENT CODE(SEE TABLE BELOW)
L: LITTELFUSE SURFACE MOUNT PPTC
SIZE
Packaging
Ihold
(A)
Packaging
Option
Quantity &
Packaging Codes
Ihold Code
Quantity
0.10
0.20
0.35
0.50
0.75
1.00
010
020
035
050
075
100
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
4000
4000
4000
3000
3000
3000
YR
YR
YR
WR
WR
WR
www.littelfuse.com
©2006 Littelfuse
5
0805L Series
Electronics Designers Guide
Specifications are subject to change without notice.
•ꢀ
•ꢀ
•ꢀ
•ꢀ
•ꢀ
USBꢀperipherals
Diskꢀdrives
Mobileꢀphonesꢀ-ꢀbatteryꢀ
andꢀportꢀprotection
•ꢀ
•ꢀ
•ꢀ
Diskꢀdrives
CD-ROMs
PDAsꢀ/ꢀdigitalꢀcameras
Plugꢀandꢀplayꢀprotectionꢀ
forꢀmotherboardsꢀandꢀ
peripherals
Gameꢀconsoleꢀportꢀ
protection
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Surface Mount
1206L Series
Description
Theꢀ1206Lꢀseriesꢀdeviceꢀprovidesꢀsurfaceꢀmountꢀ
overcurrentꢀprotectionꢀforꢀapplicationsꢀwhereꢀspaceꢀisꢀatꢀ
aꢀpremiumꢀandꢀresettableꢀprotectionꢀisꢀdesired.
Features
•ꢀ
•ꢀ
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-freeꢀ
•ꢀ
•ꢀ
•ꢀ
Lowꢀresistance
Low-profile
Fastꢀresponseꢀtoꢀfaultꢀ
currents
Compatibleꢀwithꢀhighꢀ
temperatureꢀsolders
Compactꢀdesignꢀsavesꢀ
boardꢀspace
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P d
max.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
Marking
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
1206L012
A
B
C
D
E
0.125 0.29
30
30
24
16
6
100
100
100
100
100
100
100
100
100
100
100
100
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.8
0.8
0.8
1.00
1.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
0.20
0.30
0.10
1.500
1.200
0.650
0.550
0.300
0.300
0.150
0.150
0.090
0.055
0.040
0.040
3.600
2.800
1.550
1.400
0.750
0.750
0.400
0.400
0.200
0.110
0.110
0.080
6.000
4.500
2.600
2.300
1.200
1.200
0.700
0.750
0.290
0.210
0.180
0.120
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1206L016
0.16
0.20
0.25
0.35
0.35
0.50
0.50
0.75
1.00
1.10
1.50
0.37
0.42
0.50
0.75
0.75
1.00
1.00
1.50
1.80
2.20
3.00
1206L020-C
1206L025-C
1206L035-C
1206L035/16
1206L050-C
1206L050/15
1206L075-C
1206L100
0.08
0.10
0.10
0.10
0.10
0.20
0.30
0.30
1.00
J
16
6
F
M
G
N
H
K
15
6
6
1206L110-C
1206L150-C
6
6
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
)
ꢄꢀ0ꢃL Series
ꢃ
www.littelfuse.com
Specifications are subject to change without notice.
Electronics Designers Guide
©2006 Littelfuse
POLYFUSE® Resettable PTCs
Surface Mount
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
1206L012
Hold Current (A)
0.10ꢀ
0.18ꢀ
0.22ꢀ
0.28ꢀ
0.37ꢀ
0.50ꢀ
0.50ꢀ
0.71
0.16ꢀ
0.20ꢀ
0.25ꢀ
0.33ꢀ
0.45ꢀ
0.45ꢀ
0.64
0.14ꢀ
0.18ꢀ
0.23ꢀ
0.29ꢀ
0.40ꢀ
0.40ꢀ
0.57
0.125ꢀ
0.16ꢀ
0.20ꢀ
0.25ꢀ
0.35ꢀ
0.35ꢀ
0.50
0.09ꢀ
0.12ꢀ
0.15ꢀ
0.20ꢀ
0.27ꢀ
0.27ꢀ
0.39
0.08ꢀ
0.10ꢀ
0.14ꢀ
0.17ꢀ
0.24ꢀ
0.24ꢀ
0.35
0.07ꢀ
0.09ꢀ
0.12ꢀ
0.15ꢀ
0.21ꢀ
0.21ꢀ
0.31
0.05ꢀ
0.08ꢀ
0.09ꢀ
0.12ꢀ
0.15ꢀ
0.15ꢀ
0.25
1206L016
0.14ꢀ
1206L020-C
1206L025-C
1206L035-C
1206L035/16
1206L050-C
1206L050/15
1206L075-C
1206L100
0.17ꢀ
0.22ꢀ
0.30ꢀ
0.30ꢀ
0.42
0.71
0.64
0.57
0.50
0.42
0.39
0.35
0.31
0.25
1.14ꢀ
1.45ꢀ
1.52
1.01ꢀ
1.31ꢀ
1.37
0.88ꢀ
1.15ꢀ
1.25
0.75ꢀ
1.00ꢀ
1.1
0.65ꢀ
0.59ꢀ
0.77ꢀ
0.82
0.54ꢀ
0.69ꢀ
0.75
0.49ꢀ
0.61ꢀ
0.64
0.41ꢀ
0.48ꢀ
0.52
0.84ꢀ
1206L110-C
1206L150-C
0.92
2.18ꢀ
1.94ꢀ
1.72ꢀ
1.50ꢀ
1.28ꢀ
1.17ꢀ
1.06ꢀ
0.96ꢀ
0.77ꢀ
Average Time Current Curves
Temperature Rerating Curve
170%
150%
130%
100000
10000
1000
100
110%
90%
70%
50%
30%
10%
10
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
1
0.100
0.010
0.001
0.20
1
10
100
1000
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.10
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
www.littelfuse.com
ꢅ
ꢄꢀ0ꢃL Series
Specifications are subject to change without notice.
©2006 Littelfuse
Electronics Designers Guide
Devicesꢀareꢀnotꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀ
bottomꢀsideꢀofꢀtheꢀboard.
Recommendedꢀmaximumꢀpasteꢀthicknessꢀisꢀ0.25mmꢀ
(0.010ꢀinch)
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀ
andꢀsolvents.ꢀ
Note:ꢀ
Ifꢀreflowꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀ
profile,ꢀdevicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀ
requirements.
•ꢀ
•ꢀ
•ꢀ
•ꢀ
Recommendedꢀreflowꢀmethods:ꢀIR,ꢀvaporꢀphaseꢀoven,ꢀhotꢀ
airꢀoven,ꢀN2ꢀenvironmentꢀforꢀlead-free
POLYFUSE® Resettable PTCs
Surface Mount
Soldering Parameters
Condition
Reflow
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
260°Cꢀ/ꢀ10ꢀSec
Soldering
Cooling
260
220
60ꢀSecꢀ~ꢀ100ꢀSec
50ꢀSecꢀ~ꢀ150ꢀSec
0°C~35°C,ꢀ70ꢁRH
Preheating
180
120
0
60 to 100
120
50 to 150
Time(s)
Environmental Specifications
Operating/Storage
-40°Cꢀtoꢀ+85°C
Temperature
Maximum Device Surface
Temperature in Tripped State
125°C
Physical Specifications
+85°C,ꢀ1000ꢀhours
Passive Aging
Solder-PlatedꢀCopperꢀ(SolderꢀMaterial:ꢀ
MatteꢀTinꢀ(Sn))
5ꢁꢀtypicalꢀresistanceꢀchange
Terminal Material
Lead Solderability
+85°C,ꢀ85ꢁR.H.ꢀ1000ꢀhours
5ꢁꢀtypicalꢀresistanceꢀchange
Humidity Aging
MeetsꢀEIAꢀSpecificationꢀRS186-9E,ꢀANSI/
J-STD-002ꢀCategoryꢀ3.
MIL-STD-202ꢀMethodꢀ107Gꢀ
+85°C/-40°Cꢀ20ꢀtimesꢀ
-30ꢁꢀtypicalꢀresistanceꢀchange
Thermal Shock
Solvent Resistance
Vibration
MIL-STD-202,ꢀMethodꢀ215
Noꢀchange
MIL-STD-883C,ꢀMethodꢀ
2007.1,ꢀConditionꢀA
Noꢀchange
ꢄꢀ0ꢃL Series
8
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Surface Mount
Dimensions
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
SHOWN IS 1.6AMP RATING
C
A
Top
View
Side
View
B
N
1.80 mm
(.071)
Bottom
View
Pad
Layout
1.80 mm
(.071)
D
E
1.00 mm
(.040)
A
B
C
D
E
Part
Number
Inches
mm
Inches
mm
Inches
mm
Inches mm
Inches
mm
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min Max. Min. Max.
1206L012
0.12 0.14
0.12 0.14
0.12 0.14
0.12 0.14
0.12 0.14
3
3
3
3
3
3
3
3
3
3
3
3
3.5 0.06 0.07 1.5 1.8 0.03 0.06 0.65 1.45 0.01
3.5 0.06 0.07 1.5 1.8 0.03 0.06 0.65 1.45 0.01
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.2 0.004 0.02 0.1
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
1206L016
1206L020-C
1206L025-C
1206L035-C
3.5 0.06 0.07 1.5 1.8 0.02 0.04 0.5
3.5 0.06 0.07 1.5 1.8 0.02 0.04 0.5
1
1
0.01
0.01
3.5 0.06 0.07 1.5 1.8 0.02 0.03 0.45 0.75 0.01
3.5 0.06 0.07 1.5 1.8 0.02 0.03 0.45 0.75 0.01
3.5 0.06 0.07 1.5 1.8 0.02 0.03 0.45 0.75 0.01
3.5 0.06 0.07 1.5 1.8 0.02 0.03 0.45 0.75 0.01
3.5 0.06 0.07 1.5 1.8 0.02 0.05 0.45 1.25 0.01
1206L035/16 0.12 0.14
1206L050-C 0.12 0.14
1206L050/15 0.12 0.14
1206L075-C
1206L100
0.12 0.14
0.12 0.13
0.12 0.13
0.12 0.13
3.4 0.06 0.07 1.5 1.8 0.03 0.04 0.75
3.4 0.06 0.07 1.5 1.8 0.03 0.04 0.75
1
1
0.01
0.01
0.01
1206L110-C
1206L150-C
3.4 0.06 0.07 1.5 1.8 0.03 0.06 0.85 1.4
Part Numbering System
1206 L 035 /16 W R
PACKAGING STYLE
R: Tape & Reel
SERIES
QUANTITY CODE: W=3000 Y=4000
/XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS)
I HOLD HOLD CURRENT CODE (SEE TABLE BELOW)
L: LITTELFUSE SURFACE MOUNT PPTC
SIZE
www.littelfuse.com
©2006 Littelfuse
ꢆ
ꢄꢀ0ꢃL Series
Electronics Designers Guide
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Surface Mount
Packaging
Ihold
(A)
Packaging
Option
Quantity &
Packaging Codes
Ihold Code
Quantity
0.125
0.16
0.20
0.25
0.35
0.50
0.75
1.00
1.10
1.50
012
016
020
025
035
050
075
100
110
150
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
3000
3000
4000
4000
4000
4000
3000
3000
3000
2000
WR
WR
YR
YR
YR
YR
WR
WR
WR
PR
ꢄꢀ0ꢃL Series
ꢄ0
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
•ꢀ
•ꢀ
•ꢀ
•ꢀ
•ꢀ
USBꢀperipherals
Diskꢀdrives
Mobileꢀphonesꢀ-ꢀbatteryꢀ
andꢀportꢀprotection
•ꢀ
•ꢀ
PDAsꢀ/ꢀdigitalꢀcameras
CD-ROMs
Gameꢀconsoleꢀportꢀ
protection
PCꢀmotherboardsꢀ-ꢀplugꢀ
andꢀplayꢀprotection
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Surface Mount
1210L Series
Description
Theꢀ1210Lꢀseriesꢀdeviceꢀprovidesꢀsurfaceꢀmountꢀ
overcurrentꢀprotectionꢀforꢀapplicationsꢀwhereꢀspaceꢀisꢀatꢀ
aꢀpremiumꢀandꢀresettableꢀprotectionꢀisꢀdesired.
Features
•ꢀ
•ꢀ
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-freeꢀ
•ꢀ
•ꢀ
•ꢀ
Lowꢀresistance
Low-profile
Fastꢀresponseꢀtoꢀfaultꢀ
currents
Compatibleꢀwithꢀhighꢀ
temperatureꢀsolders
Compactꢀdesignꢀsavesꢀ
boardꢀspace
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P d
max.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
Marking
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
1210L005
1210L010
1210L020
1210L035
1210L050
1210L075
1210L110
1210L150
A
B
C
E
F
0.05
0.10
0.20
0.35
0.50
0.75
1.10
1.50
0.15
0.30
0.40
0.70
1.00
1.50
2.20
3.00
30
30
30
6
10
10
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.80
0.25
0.50
8.00
8.00
8.00
8.00
8.00
8.00
1.50
1.50
0.02
0.20
0.10
0.10
0.30
0.50
3.600
1.600
0.800
0.320
0.250
0.130
0.060
0.040
25.00
7.000
2.900
0.810
0.550
0.290
0.140
0.070
50.00
15.00
5.000
1.300
0.900
0.400
0.210
0.110
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
10
100
100
100
100
100
13.2
6
G
H
K
6
6
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
)
www.littelfuse.com
ꢄꢄ
Electronics Designers Guide
ꢄꢀꢄ0L Series
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Surface Mount
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
1210L005
1210L010
1210L020
1210L035
1210L050
1210L075
1210L110
1210L150
Hold Current (A)
0.08
0.16
0.29
0.47
0.76
1.00
1.69
2.13
0.07
0.14
0.26
0.45
0.67
0.97
1.48
1.92
0.06
0.12
0.22
0.40
0.58
0.86
1.29
1.71
0.05
0.10
0.20
0.35
0.50
0.75
1.10
1.50
0.04
0.08
0.16
0.33
0.43
0.64
0.88
1.26
0.04
0.07
0.14
0.28
0.40
0.59
0.76
1.14
0.03
0.06
0.13
0.24
0.36
0.54
0.65
1.01
0.03
0.05
0.11
0.21
0.32
0.48
0.57
0.89
0.02
0.03
0.08
0.18
0.28
0.40
0.43
0.71
Average Time Current Curves
Temperature Rerating Curve
170%
150%
130%
100000
10000
1000
100
110%
90%
70%
50%
30%
10%
10
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
1
0.100
0.010
0.001
0.02
0.100
1
10
100
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.10
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
ꢄꢀꢄ0L Series
ꢄꢀ
wwwꢄ.ꢀlitꢄt0elLfuSsee.rcioems
Specifications are subject to change©w20it0h6oLuittneolftuicse.
Specifications are subject to change without notice.
Electronics Designers Guide
•ꢀ
•ꢀ
Recommendedꢀmaximumꢀpasteꢀthicknessꢀisꢀ0.25mmꢀ(0.010ꢀinch)
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀandꢀ
solvents.ꢀ
Note:ꢀ
Ifꢀreflowꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀprofile,ꢀ
devicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀrequirements.
POLYFUSE® Resettable PTCs
Surface Mount
Soldering Parameters
Condition
Reflow
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
260°Cꢀ/ꢀ10ꢀSec
Soldering
Cooling
260
60ꢀSecꢀ~ꢀ100ꢀSec
220
50ꢀSecꢀ~ꢀ150ꢀSec
<
0°C~35°C,ꢀ 70ꢁRH
Preheating
=
180
120
•ꢀ
Recommendedꢀreflowꢀmethods:ꢀIR,ꢀvaporꢀphaseꢀoven,ꢀhotꢀairꢀ
oven,ꢀN2ꢀenvironmentꢀforꢀlead-free
•ꢀ
Devicesꢀareꢀnotꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀbottomꢀsideꢀ
ofꢀtheꢀboard.
0
60 to 100
120
50 to 150
Time(s)
Physical Specifications
Environmental Specifications
Operating/Storage
Solder-PlatedꢀCopperꢀ(SolderꢀMaterial:ꢀ
Terminal Material
Lead Solderability
-40°Cꢀtoꢀ+85°C
MatteꢀTinꢀ(Sn))
Temperature
MeetsꢀEIAꢀSpecificationꢀRS186-9E,ꢀANSI/
J-STD-002ꢀCategoryꢀ3.
Maximum Device Surface
Temperature in Tripped State
125°C
+85°C,ꢀ1000ꢀhours
Passive Aging
5ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ1000ꢀhours
5ꢁꢀtypicalꢀresistanceꢀchange
Humidity Aging
MIL-STD-202ꢀMethodꢀ107Gꢀ
+85°C/-40°Cꢀ20ꢀtimesꢀ
-30ꢁꢀtypicalꢀresistanceꢀchange
Thermal Shock
Solvent Resistance
Vibration
MIL-STD-202,ꢀMethodꢀ215
Noꢀchange
MIL-STD-883C,ꢀMethodꢀ
2007.1,ꢀConditionꢀA
Noꢀchange
www.littelfuse.com
©2006 Littelfuse
ꢄꢁ
Electronics Designers Guide
ꢄꢀꢄ0L Series
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Surface Mount
Dimensions
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
SHOWN IS 1.5AMP RATING
C
A
Top
Side
View
B
View
K
2.00 mm
(.079)
Bottom
View
Pad
2.50 mm
(.098)
Layout
D
E
1.00 mm
(.040)
A
B
C
D
E
Part Number
Inches
mm
Inches
mm
Inches
mm
Inches mm
Inches
mm
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min Max. Min. Max.
0.12 0.14 3.00 3.43 0.09 0.11 2.35 2.80 0.03 0.05 0.75 1.25 0.01 0.25 0.008 0.02 0.20 0.50
0.12 0.14 3.00 3.43 0.09 0.11 2.35 2.80 0.03 0.05 0.75 1.25 0.01 0.25 0.008 0.02 0.20 0.50
0.12 0.14 3.00 3.43 0.09 0.11 2.35 2.80 0.02 0.04 0.60 1.00 0.01 0.25 0.008 0.02 0.20 0.50
0.12 0.14 3.00 3.43 0.09 0.11 2.35 2.80 0.02 0.03 0.50 0.85 0.01 0.25 0.008 0.02 0.20 0.50
0.12 0.14 3.00 3.43 0.09 0.11 2.35 2.80 0.02 0.03 0.50 0.85 0.01 0.25 0.008 0.02 0.20 0.50
0.12 0.14 3.00 3.43 0.09 0.11 2.35 2.80 0.02 0.03 0.50 0.85 0.01 0.25 0.008 0.02 0.20 0.50
0.12 0.14 3.00 3.43 0.09 0.11 2.35 2.80 0.04 0.05 0.90 1.30 0.01 0.25 0.008 0.02 0.20 0.50
0.12 0.14 3.00 3.43 0.09 0.11 2.35 2.80 0.03 0.07 0.80 1.80 0.01 0.25 0.008 0.02 0.20 0.50
1210L005
1210L010
1210L020
1210L035
1210L050
1210L075
1210L110
1210L150
Part Numbering System
1210 L 110 W R
PACKAGING STYLE
SERIES
R: Tape & Reel
QUANTITY CODE: W=3000 Y=4000
I HOLD HOLD CURRENT CODE (SEE TABLE BELOW)
L: LITTELFUSE SURFACE MOUNT PPTC
SIZE
Packaging
Ihold
(A)
Quantity &
Packaging Codes
Ihold Code
Packaging Option
Quantity
0.05
0.10
0.20
0.35
0.50
0.75
1.10
1.50
005
010
020
035
050
075
110
150
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
3000
3000
3000
4000
4000
4000
3000
2000
WR
WR
WR
YR
YR
YR
WR
PR
ꢄꢀꢄ0L Series
ꢄꢂ
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
•ꢀ
•ꢀ
•ꢀ
Plugꢀandꢀplayꢀprotectionꢀ
forꢀmotherboardsꢀandꢀ
peripherals
PCIꢀcards
Gameꢀconsoleꢀportꢀ
protection
•ꢀ
USBꢀperipherals
POLYFUSE® Resettable PTCs
Surface Mount
1812L Series
Description
Theꢀ1812Lꢀseriesꢀdeviceꢀprovidesꢀsurfaceꢀmountꢀ
overcurrentꢀprotectionꢀforꢀapplicationsꢀwhereꢀresettableꢀ
protectionꢀisꢀdesired.
Features
•ꢀ
•ꢀ
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-freeꢀ
•ꢀ
•ꢀ
•ꢀ
Lowꢀresistance
Low-profile
Fastꢀresponseꢀtoꢀfaultꢀ
currents
Compatibleꢀwithꢀhighꢀ
temperatureꢀsolders
Compactꢀdesignꢀsavesꢀ
boardꢀspace
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P d
max.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
Marking
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
1812L010
LF010
LF014
0.10
0.14
0.20
0.50
0.75
0.75
0.75
1.10
1.10
1.10
1.25
1.25
1.50
1.50
0.30
0.34
0.40
1.00
1.50
1.50
1.50
2.20
1.95
1.95
2.50
2.50
3.00
3.00
3.00
2.80
30
60ꢀ
30
15
13.2
24ꢀ
33
6
100
10
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.50
1.50
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
1.50
0.15
0.02
0.15
0.20
0.20
0.20
0.30
0.50
0.50
0.40
0.40
0.30
0.50
1.50
1.00
1.600
1.500
0.800
0.150
0.100
0.110
0.110
0.040
0.060
0.060
0.050
0.050
0.040
0.040
0.040
0.030
7.000 15.000
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1812L014
4.000
2.900
0.600
0.260
0.200
0.260
0.120
0.120
0.120
0.160
0.090
0.070
0.070
0.070
0.066
6.000
5.000
1.000
0.450
0.290
0.400
0.210
0.180
0.200
0.250
0.140
0.110
0.110
0.120
0.100
1812L020
LF020
100
100
100
100
20
1812L050-C
1812L075-C
1812L075/24
1812L075/33
1812L110-C
1812L110/16
1812L110/33
1812L125-C
1812L125/6
1812L150-C
1812L150/12
1812L150/24
1812L160-C
LF050
LF075
LF075-24
LF075-33
LF110
100
100
20
LF110-16
LF110-33
LF125
16
33
15
6
100
100
100
100
20
LF125-6
LF150
8
LF150-12
12
24
8
LF150-24 1.50
LF160
1.60
100
www.littelfuse.com
©2006 Littelfuse
ꢄ5
ꢄ8ꢄꢀL Series
Electronics Designers Guide
Specifications are subject to change without notice.
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Surface Mount
Electrical Characteristics (continued)
Maximum Time
P d
Agency
Approvals
Resistance
To Trip
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
Marking
max.
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
Time
(W)
(A)
(Sec.)
1812L160/12
1812L200-C
1812L260-C
LF160-12 1.60
2.80
3.50
5.00
12
8
100
100
100
0.8
0.8
0.8
8.00
8.00
8.00
1.00
2.00
2.50
0.030
0.020
0.015
0.066
0.040
0.030
0.100
0.060
0.047
X
X
X
X
X
X
LF200
LF260
2.00
2.60
6
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
)
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
1812L010
Hold Current (A)
0.08
0.16
0.23
0.29
0.77
1.15
1.06
1.10
1.59
1.58
1.55
2.00
2.00
2.06
2.04
2.05
2.20
2.18
3.08
4.00
0.14
0.19
0.26
0.68
1.01
0.95
1.00
1.43
1.43
1.40
1.75
1.75
1.93
1.88
1.87
2.06
2.01
2.71
3.52
0.12
0.17
0.23
0.59
0.88
0.84
0.88
1.26
1.27
1.25
1.52
1.52
1.79
1.68
1.67
1.91
1.79
2.35
3.06
0.10
0.14
0.20
0.50
0.75
0.75
0.75
1.10
1.10
1.10
1.25
1.25
1.50
1.50
1.50
1.60
1.60
2.00
2.60
0.07
0.10
0.15
0.40
0.60
0.55
0.60
0.87
0.85
0.83
0.95
0.95
1.10
1.10
1.08
1.17
1.16
1.60
2.08
0.06
0.09
0.14
0.37
0.55
0.50
0.56
0.80
0.77
.073
0.90
0.90
1.02
1.00
0.95
1.09
1.07
1.50
1.95
0.05
0.08
0.12
0.33
0.49
0.45
0.47
0.71
0.71
.063
0.75
0.75
0.80
0.80
0.77
0.85
0.83
1.07
1.39
0.03
0.06
0.10
0.29
0.43
0.37
0.36
0.60
0.58
.050
0.53
0.53
0.68
0.60
0.60
0.72
0.60
0.80
1.04
1812L014
0.12
1812L020
0.17
1812L050-C
1812L075-C
1812L075/24
1812L075/33
1812L110-C
1812L110/16
1812L110/33
1812L125-C
1812L125/6
1812L150-C
1812L150/12
1812L150/24
1812L160-C
1812L160/12
1812L200-C
1812L260-C
0.44
0.65
0.60
0.66
0.95
0.95
0.93
1.00
1.00
1.28
1.25
1.25
1.36
1.34
1.80
2.34
ꢄ8ꢄꢀL Series
ꢄꢃ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Surface Mount
Average Time Current Curves
Temperature Rerating Curve
100000
10000
1000
100
10
1
0.100
0.010
0.001
0.02
0.100
1
10
100
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.10
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
www.littelfuse.com
ꢄꢅ
Electronics Designers Guide
ꢄ8ꢄꢀL Series
©2006 Littelfuse
Specifications are subject to change without notice.
•ꢀ
•ꢀ
Recommendedꢀmaximumꢀpasteꢀthicknessꢀisꢀ0.25mmꢀ(0.010ꢀinch)
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀandꢀ
solvents.ꢀ
Note:ꢀ
Ifꢀreflowꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀprofile,ꢀ
devicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀrequirements.
POLYFUSE® Resettable PTCs
Surface Mount
Soldering Parameters
Condition
Reflow
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
260°Cꢀ/ꢀ10ꢀSec
Soldering
Cooling
260
220
60ꢀSecꢀ~ꢀ100ꢀSec
50ꢀSecꢀ~ꢀ150ꢀSec
<
0°C~35°C,ꢀ 70ꢁRH
=
Preheating
180
120
•ꢀ
Recommendedꢀreflowꢀmethods:ꢀIR,ꢀvaporꢀphaseꢀoven,ꢀhotꢀairꢀ
oven,ꢀN2ꢀenvironmentꢀforꢀlead-free
•ꢀ
Devicesꢀareꢀnotꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀbottomꢀsideꢀ
ofꢀtheꢀboard.
0
60 to 100
120
50 to 150
Time(s)
Physical Specifications
Environmental Specifications
Operating/Storage
Solder-PlatedꢀCopperꢀ(SolderꢀMaterial:ꢀ
Terminal Material
Lead Solderability
-40°Cꢀtoꢀ+85°C
MatteꢀTinꢀ(Sn))
Temperature
MeetsꢀEIAꢀSpecificationꢀRS186-9E,ꢀANSI/ꢀ
J-STD-002ꢀCategoryꢀ3.
Maximum Device Surface
Temperature in Tripped State
125°C
+85°C,ꢀ1000ꢀhours
Passive Aging
5ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ1000ꢀhours
5ꢁꢀtypicalꢀresistanceꢀchange
Humidity Aging
MIL-STD-202ꢀMethodꢀ107Gꢀ
+85°C/-40°Cꢀ20ꢀtimesꢀ
-30ꢁꢀtypicalꢀresistanceꢀchange
Thermal Shock
Solvent Resistance
Vibration
MIL-STD-202,ꢀMethodꢀ215
Noꢀchange
MIL-STD-883C,ꢀMethodꢀ
2007.1,ꢀConditionꢀA
Noꢀchange
ꢄ8ꢄꢀL Series
ꢄ8
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Surface Mount
Dimensions
MARKING CODE VARIES
WITH AMPERAGE AND VOLTAGE RATING
(SEE CHART)
SHOWN ARE:
- 1.1A/6V RATING (LEFT)
- 1.1A/33V RATING (RIGHT)
C
A
110
Top
View
Side
View
B
110
-33
3.45 mm
(.135”)
Bottom
View
Pad
Layout
3.15 mm
(.124”)
110
D
E
1.78mm
(.070”)
A
B
C
D
E
Part Number
Inches
mm
Inches
mm
Inches
mm
Inches mm
Inches
mm
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min.
Min. Min Max. Min. Max.
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.02 0.25 0.5
0.30 0.01 0.02 0.25 0.5
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.02 0.25 0.5
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.02 0.25 0.5
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.03 0.25 0.65
0.30 0.01 0.02 0.25 0.5
0.30 0.01 0.02 0.25 0.5
1812L010
1812L014
1812L020
1812L050-C
1812L075-C
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.08 0.75 1.95
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.04 0.55
1
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.75
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.75
1812L075/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.75 1.55
1812L075/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.06 0.75 1.55
1812L110-C
1812L110/16 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25
1812L110/33 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.05 0.08 1.2
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.5 0.71
2
1812L125-C
1812L125/6
1812L150-C
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.45 0.75
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.4 0.71
1812L150/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25
1812P150/24 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.07 0.8 1.8
1812L160-C 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.02 0.03 0.4 0.75
1812L160/12 0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.75 1.25
1812L200-C
1812L260-C
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.81 1.2
0.17 0.19 4.37 4.73 0.12 0.13 3.07 3.41 0.03 0.05 0.8 1.34
www.littelfuse.com
©2006 Littelfuse
ꢄꢆ
ꢄ8ꢄꢀL Series
Electronics Designers Guide
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Surface Mount
Part Numbering System
1812 L 075 /33 D R
PACKAGING STYLE
R: Tape & Reel
SERIES
QUANTITY CODE: D=1500 M=1000 P=2000
/XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS
I HOLD CURRENT CODE (SEE TABLE BELOW)
L: LITTELFUSE SURFACE MOUNT PPTC
SIZE
Packaging
Ihold
(A)
Voltage
Option
Packaging
Option
Quantity &
Packaging Codes
Ihold Code
Quantity
0.10
0.14
0.20
0.50
010
014
020
050
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
1500
1500
2000
2000
2000
1500
1500
2000
1500
1000
1500
2000
2000
1500
1000
2000
1500
1500
1000
DR
DR
PR
PR
PR
DR
DR
PR
DR
MR
DR
PR
ZR
0.75
075
/24
/33
1.10
1.25
1.50
1.60
110
125
150
160
/16
/33
/6
/12
/24
DR
MR
PR
DR
DR
ZR
/12
2.00
2.60
200
260
ꢄ8ꢄꢀL Series
ꢀ0
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
•ꢀ
•ꢀ
•ꢀ
IEE1394ꢀportꢀprotection
Lowꢀvoltageꢀtelecomꢀ
equipmentꢀprotection
Poweredꢀethernetꢀportꢀ
•ꢀ
Automotiveꢀelectronicꢀ
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Surface Mount
2016L Series
Description
Theꢀ2016Lꢀseriesꢀdeviceꢀprovidesꢀsurfaceꢀmountꢀ
overcurrentꢀprotectionꢀforꢀlowꢀvoltageꢀ(≤60V)ꢀapplicationsꢀ
whereꢀresettableꢀprotectionꢀisꢀdesired.
Features
•ꢀ
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-freeꢀ
•ꢀ
•ꢀ
Highꢀvoltage
Low-profile
Fastꢀresponseꢀtoꢀfaultꢀ
currents
Agency Approvals
Applications
AGENCY
AGENCY FILE NUMBER
E183209
protectionꢀ(IEEEꢀ802.3ꢀaf)ꢀ
R50082521
controlꢀmoduleꢀprotection
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P d
max.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
Marking
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
2016L030
2016L050
2016L100
2016L100/33
2016L150
2016L200
LF030
LF050
LF100
0.30
0.55
1.10
0.60
1.10
2.20
2.20
3.00
4.20
60
60
15
33
15
6
20
20
40
40
40
40
1.40
1.40
1.40
1.40
1.40
1.40
1.50
2.50
8.00
8.00
8.00
8.00
3.00
5.00
0.50
0.50
1.00
3.00
0.500
0.200
0.100
0.100
0.070
0.048
1.400
0.700
0.250
0.250
0.130
0.070
2.300
1.000
0.400
0.400
0.180
0.100
X
X
X
X
X
X
X
X
X
X
X
X
LF100-33 1.10
LF150
LF200
1.50
2.00
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
)
www.littelfuse.com
ꢀꢄ
Electronics Designers Guide
ꢀ0ꢄꢃL Series
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Surface Mount
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
2016L030
Hold Current (A)
0.45
0.93
1.66
1.66
2.26
2.80
0.40
0.80
1.47
1.47
2.00
2.50
0.35
0.65
1.29
1.29
1.76
2.19
0.30
0.50
1.10
1.10
1.50
2.00
0.25
0.38
0.91
0.91
1.24
1.84
0.23
0.32
0.83
0.83
1.13
1.74
0.20
0.25
0.73
0.73
1.00
1.50
0.18
0.19
0.64
0.64
0.87
1.34
0.14
0.09
0.50
0.50
0.68
1.14
2016L050
2016L100
2016L100/33
2016L150
2016L200
Average Time Current Curves
Temperature Rerating Curve
100000
10000
1000
100
10
1
A: 2016L050
B: 2016L030
0.100
0.010
0.001
ꢀ
ꢀ
2016L100
2016L200
ꢀ
ꢀ
2016L100/33
2016L150
0.20
1
10
100
1000
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.10
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
ꢀ0ꢄꢃL Series
ꢀꢀ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
•ꢀ
•ꢀ
Recommendedꢀmaximumꢀpasteꢀthicknessꢀisꢀ0.25mmꢀ(0.010ꢀinch)
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀandꢀ
solvents.ꢀ
Note:ꢀ
Ifꢀreflowꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀprofile,ꢀ
devicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀrequirements.
POLYFUSE® Resettable PTCs
Surface Mount
Soldering Parameters
Condition
Reflow
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
260°Cꢀ/ꢀ10ꢀSec
Soldering
Cooling
260
60ꢀSecꢀ~ꢀ100ꢀSec
220
50ꢀSecꢀ~ꢀ150ꢀSec
<
0°C~35°C,ꢀ 70ꢁRH
Preheating
=
180
120
•ꢀ
Recommendedꢀreflowꢀmethods:ꢀIR,ꢀvaporꢀphaseꢀoven,ꢀhotꢀairꢀ
oven,ꢀN2ꢀenvironmentꢀforꢀlead-free
•ꢀ
Devicesꢀareꢀnotꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀbottomꢀsideꢀ
ofꢀtheꢀboard.
0
60 to 100
120
50 to 150
Time(s)
Physical Specifications
Environmental Specifications
Operating/Storage
Solder-PlatedꢀCopperꢀ(SolderꢀMaterial:ꢀ
Terminal Material
Lead Solderability
-40°Cꢀtoꢀ+85°C
MatteꢀTin(Sn))
Temperature
MeetsꢀEIAꢀSpecificationꢀRS186-9E,ꢀANSI/ꢀ
J-STD-002ꢀCategoryꢀ3.
Maximum Device Surface
Temperature in Tripped State
125°C
+85°C,ꢀ1000ꢀhours
Passive Aging
5ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ1000ꢀhours
5ꢁꢀtypicalꢀresistanceꢀchange
Humidity Aging
MIL-STD-202ꢀMethodꢀ107Gꢀ
+85°C/-40°Cꢀ20ꢀtimesꢀ
-30ꢁꢀtypicalꢀresistanceꢀchange
Thermal Shock
Solvent Resistance
Vibration
MIL-STD-202,ꢀMethodꢀ215
Noꢀchange
MIL-STD-883C,ꢀMethodꢀ
2007.1,ꢀConditionꢀA
Noꢀchange
www.littelfuse.com
©2006 Littelfuse
ꢀꢁ
Electronics Designers Guide
ꢀ0ꢄꢃL Series
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Surface Mount
Dimensions (mm)
MARKING CODE VARIES
WITH AMPERAGE AND VOLTAGE RATING
(SEE CHART)
SHOWN ARE:
- 1.0A/15V RATING (LEFT)
- 1.0A/33V RATING (RIGHT)
C
A
100
Top
View
Side
View
B
100
-33
3.40 mm
(.133”)
Pad
Layout
4.60 mm
(.181”)
Bottom
View
100
D
E
1.50 mm
(.059”)
A
B
C
D
E
Part Number
Inches
mm
Inches
mm
Inches
mm
Inches mm
Inches
mm
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min Max. Min. Max.
2016L030
2016L050
2016L100
2016L100/33
2016L150
2016L200
0.19 0.21 4.72 5.44 0.15 0.17 3.7 4.43 0.03 0.05 0.75 1.25 0.01 0.03 0.01 0.03 0.25 0.65
0.19 0.21 4.72 5.44 0.15 0.17 3.7 4.43 0.05 0.08 1.2
2
0.01 0.03 0.01 0.03 0.25 0.65
0.19 0.21 4.72 5.44 0.15 0.17 3.7 4.43 0.02 0.03 0.5 0.75 0.01 0.03 0.01 0.03 0.25 0.65
0.19 0.21 4.72 5.44 0.15 0.17 3.7 4.43 0.03 0.05 0.75 1.25 0.01 0.03 0.01 0.03 0.25 0.65
0.19 0.21 4.72 5.44 0.15 0.17 3.7 4.43 0.03 0.06 0.75 1.55 0.01 0.03 0.01 0.03 0.25 0.65
0.19 0.21 4.72 5.44 0.15 0.17 3.7 4.43 0.02 0.03 0.5 0.75 0.01 0.03 0.01 0.03 0.25 0.65
Part Numbering System
2016 L 100 /33 D R
PACKAGING STYLE
R: Tape & Reel
SERIES
QUANTITY CODE: D=1500 M=1000 P=2000
/XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS)
I HOLD CURRENT CODE (SEE TABLE BELOW)
L: LITTELFUSE SURFACE MOUNT PPTC
SIZE
Packaging
Ihold
(A)
Voltage
Option
Packaging
Option
Quantity &
Packaging Codes
Ihold Code
Quantity
0.30
0.55
030
050
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
1500
1000
2000
1500
1500
2000
DR
MR
PR
1.10
100
/33
DR
DR
PR
1.50
2.00
150
200
ꢀ0ꢄꢃL Series
ꢀꢂ
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
•ꢀ
•ꢀ
•ꢀ
IEE1394ꢀportꢀprotection
Lowꢀvoltageꢀtelecomꢀ
equipmentꢀprotection
Poweredꢀethernetꢀportꢀ
•ꢀ
Automotiveꢀelectronicꢀ
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Surface Mount
2920L Series
Description
Theꢀ2920Lꢀseriesꢀdeviceꢀprovidesꢀsurfaceꢀmountꢀ
overcurrentꢀprotectionꢀforꢀmediumꢀvoltageꢀ(≤60V)ꢀ
applicationsꢀwhereꢀresettableꢀprotectionꢀisꢀdesired.
Features
•ꢀ
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-freeꢀ
•ꢀ
•ꢀ
Highꢀvoltage
Low-profile
Fastꢀresponseꢀtoꢀfaultꢀ
currents
Agency Approvals
Applications
AGENCY
AGENCY FILE NUMBER
E183209
protectionꢀ(IEEEꢀ802.3ꢀaf)ꢀ
R50082521
controlꢀmoduleꢀprotection
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P d
max.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
Marking
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
LF030
LF050
LF075
LF100
LF125
LF150
LF185
LF200
LF200-24
LF250
LF260
LF300
LF300-15
0.30
0.50
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
0.60
1.00
1.50
2.20
2.50
3.00
3.70
4.00
4.00
5.00
5.00
5.00
5.00
60
60
30
33
15
33
33
15
24
15
6
10
10
40
40
40
40
40
40
40
40
40
40
40
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
1.50
2.50
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
3.00
4.00
0.30
0.50
2.00
2.00
2.50
5.00
5.00
10.00
10.00
20.00
20.00
1.200
0.350
0.350
0.120
0.070
0.080
0.065
0.050
0.050
0.035
0.025
0.015
0.015
3.000
0.870
0.670
0.270
0.160
0.150
0.110
0.090
0.090
0.060
0.050
0.033
0.033
4.800
1.400
1.000
0.410
0.250
0.230
0.150
0.125
0.125
0.085
0.075
0.048
0.048
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
6
15
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
)
www.littelfuse.com
ꢀ5
Electronics Designers Guide
ꢀꢆꢀ0L Series
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Surface Mount
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
2920L200/24
2920L250
2920L260
2920L300
2920L300/15
Hold Current (A)
0.25
0.45
0.76
1.13
1.66
1.89
2.27
2.80
3.02
3.14
3.78
3.64
4.53
4.20
0.40
0.67
1.01
1.47
1.68
2.01
2.47
2.68
2.77
3.35
3.25
4.02
3.85
0.35
0.59
0.88
1.29
1.46
1.76
2.17
2.34
2.42
2.93
2.91
3.51
3.44
0.30
0.50
0.75
1.10
1.25
1.50
1.85
2.00
2.00
2.50
2.60
3.00
3.00
0.23
0.38
0.56
0.83
0.94
1.13
1.39
1.50
1.56
1.88
2.08
2.26
2.50
0.20
0.33
0.50
0.73
0.83
1.00
1.22
1.32
1.38
1.65
1.95
1.99
2.31
0.17
0.29
0.44
0.64
0.73
0.87
1.07
1.16
1.20
1.45
1.74
1.75
2.12
0.14
0.23
0.34
0.50
0.56
0.74
0.85
0.90
0.98
1.13
1.48
1.34
1.83
0.42
0.62
0.91
1.04
1.25
1.54
1.66
1.73
2.08
2.26
2.52
2.69
Average Time Current Curves
Temperature Rerating Curve
100000
10000
1000
100
10
1
0.100
0.010
0.001
0.02
0.100
1
10
100
CURRENT IN AMPERES
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
ꢀꢆꢀ0L Series
ꢀꢃ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
•ꢀ
•ꢀ
Recommendedꢀmaximumꢀpasteꢀthicknessꢀisꢀ0.25mmꢀ(0.010ꢀinch)
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀandꢀ
solvents.ꢀ
Note:ꢀ
Ifꢀreflowꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀprofile,ꢀ
devicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀrequirements.
POLYFUSE® Resettable PTCs
Surface Mount
Soldering Parameters
Condition
Reflow
Peak Temp/ Duration Time
Time above liquids (TAL) 220°C
Preheat 120°C~ 180°C
Storage Condition
260°Cꢀ/ꢀ10ꢀSec
Soldering
Cooling
260
60ꢀSecꢀ~ꢀ100ꢀSec
220
50ꢀSecꢀ~ꢀ150ꢀSec
<
0°C~35°C,ꢀ 70ꢁRH
Preheating
=
180
120
•ꢀ
Recommendedꢀreflowꢀmethods:ꢀIR,ꢀvaporꢀphaseꢀoven,ꢀhotꢀairꢀ
oven,ꢀN2ꢀenvironmentꢀforꢀlead-free
•ꢀ
Devicesꢀareꢀnotꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀbottomꢀsideꢀ
ofꢀtheꢀboard.
0
60 to 100
120
50 to 150
Time(s)
Physical Specifications
Environmental Specifications
Operating/Storage
Solder-PlatedꢀCopperꢀ(SolderꢀMaterial:ꢀ
Terminal Material
Lead Solderability
-40°Cꢀtoꢀ+85°C
MatteꢀTin(Sn))
Temperature
MeetsꢀEIAꢀSpecificationꢀRS186-9E,ꢀANSI/ꢀ
J-STD-002ꢀCategoryꢀ3.
Maximum Device Surface
Temperature in Tripped State
125°C
+85°C,ꢀ1000ꢀhours
Passive Aging
5ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ1000ꢀhours
5ꢁꢀtypicalꢀresistanceꢀchange
Humidity Aging
MIL-STD-202ꢀMethodꢀ107Gꢀ
+85°C/-40°Cꢀ20ꢀtimesꢀ
-30ꢁꢀtypicalꢀresistanceꢀchange
Thermal Shock
Solvent Resistance
Vibration
MIL-STD-202,ꢀMethodꢀ215
MIL-STD-883C,ꢀMethodꢀ
2007.1,ꢀConditionꢀA
www.littelfuse.com
©2006 Littelfuse
ꢀꢅ
Electronics Designers Guide
ꢀꢆꢀ0L Series
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Surface Mount
Dimensions (mm)
MARKING CODE VARIES
WITH AMPERAGE AND VOLTAGE RATING
(SEE CHART)
SHOWN ARE:
- 1.5A/33V RATING (LEFT)
- 2.0A/24V RATING (RIGHT)
C
A
200
Top
View
Side
View
B
150
-24
4.60 mm
(.181”)
Bottom
View
Pad
Layout
5.30 mm
(.209”)
150
D
E
2.0mm
(.079”)
A
B
C
D
E
Part Number
Inches
mm
Inches
mm
Inches
mm
Inches mm
Inches
mm
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min Max. Min. Max.
2920L030
2920L050
2920L075
2920L100
2920L125
2920L150
2920L185
2920L200
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
0.3 0.01 0.08 0.25
2
2
2
2
2
2
2
2
2
2
2
2
2
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.02 0.04 0.55
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.02 0.04 0.55
1
1
0.01
0.01
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
2920L200/24 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
2920L250
2920L260
2920L300
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.02 0.04 0.55 0.01
0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
1
2920L300/15 0.26 0.31 6.73 7.98 0.19 0.21 4.8 5.44 0.03 0.05 0.75 1.25 0.01
Part Numbering System
2920 L 200 /24 D R
PACKAGING STYLE
R: Tape & Reel
SERIES
QUANTITY CODE: D=1500 P=2000
/XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS)
I HOLD CURRENT CODE (SEE TABLE BELOW)
L: LITTELFUSE SURFACE MOUNT PPTC
SIZE
ꢀꢆꢀ0L Series
ꢀ8
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Surface Mount
Packaging
Voltage
Option
Packaging
Option
Quantity &
Packaging Codes
Ihold (A)
Ihold Code
Quantity
0.30
0.50
0.75
1.10
1.25
1.50
1.85
030
050
075
100
125
150
185
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
TapeꢀandꢀReel
1500
1500
1500
2000
2000
1500
1500
1500
1500
1500
2000
1500
1500
DR
DR
DR
PR
PR
DR
DR
DR
DR
DR
PR
DR
DR
2.00
200
/24
/15
2.50
2.60
250
260
3.00
300
www.littelfuse.com
©2006 Littelfuse
ꢀꢆ
Electronics Designers Guide
ꢀꢆꢀ0L Series
Specifications are subject to change without notice.
•ꢀ
Rechargeableꢀbatteryꢀcellꢀ
protection
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Axial Leaded Strap
LR Series
Description
TheꢀnewꢀLRꢀseriesꢀdeviceꢀprovidesꢀreliable,ꢀnoncyclingꢀ
protectionꢀagainstꢀoverchargingꢀandꢀshortꢀcircuitsꢀeventsꢀ
forꢀrechargeableꢀbatteryꢀcellsꢀwhereꢀresettableꢀprotectionꢀ
isꢀdesired.
Features
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-free
•ꢀ
•ꢀ
Compactꢀdesignꢀsavesꢀ
boardꢀspace
•ꢀ
•ꢀ
Weldableꢀnickelꢀterminals
Slim,ꢀlowꢀprofileꢀdesign
Lowꢀresistance
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P
madx.
(W)
I hold
Part Number
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
15LR190
15LR190S
15LR260
15LR260S
15LR380
20LR450
20LR550
20LR600
20LR730
1.9
1.9
2.6
2.6
3.8
4.5
5.5
6.0
7.3
3.9
3.9
15
15
15
15
15
20
20
20
20
100
100
100
100
100
100
100
100
100
1.2
1.2
2.5
2.5
2.5
2.5
2.8
2.8
3.3
9.50
9.50
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
0.039
0.039
0.020
0.020
0.013
0.011
0.009
0.007
0.006
0.072
0.072
0.042
0.042
0.026
0.020
0.016
0.014
0.012
0.102
0.102
0.063
0.063
0.037
0.028
0.022
0.019
0.015
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
5.8
13.00
13.00
19.00
22.50
27.50
30.00
30.00
5.8
8.3
8.9
10.5
11.7
14.1
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
)
LR Series
ꢁ0
Electronics Designers Guide
www.littelfuse.com
Specifications are subject to change without notice.
©2006 Littelfuse
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
15LR190
15LR190S
15LR260
15LR260S
15LR380
20LR450
20LR550
20LR600
20LR730
Hold Current (A)
2.80
2.80
3.80
3.80
5.50
6.50
8.00
8.70
10.60
2.50
2.50
3.40
3.40
4.90
5.80
7.10
7.80
9.50
2.30
2.30
3.10
3.10
4.40
5.30
6.20
7.10
8.60
1.90
1.90
2.60
2.60
3.80
4.50
5.50
6.00
7.30
1.60
1.60
2.20
2.20
3.30
3.90
4.70
5.20
6.30
1.50
1.50
2.00
2.00
3.00
3.60
4.30
4.70
5.70
1.40
1.40
1.90
1.90
2.80
3.30
4.00
4.40
5.40
1.20
1.20
1.70
1.70
2.50
2.90
3.60
3.90
4.70
1.00
1.00
1.40
1.40
2.10
2.50
3.00
3.30
4.00
Average Time Current Curves
Temperature Rerating Curve
170%
150%
130%
B
A
110%
90%
70%
A
B
50%
30%
10%
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
A: 15LR190,15LR190S,
15LR260, 15LR260S,
20LR450
B: 15LR380, 20LR550,
20LR600, 20LR730
A: 15LR380
B: 20LR450
C: 20LR730
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
www.littelfuse.com
ꢁꢄ
LR Series
Specifications are subject to change without notice.
©2006 Littelfuse
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Physical Specifications
Environmental Specifications
0.13mmꢀnominalꢀthickness,ꢀquarter-hardꢀ
nickelꢀ
Operating/Storage
Temperature
Terminal Material
-40°Cꢀtoꢀ+85°C
125°C
Maximum Device Surface
Temperature in Tripped State
Insulating Material Polyesterꢀtape
+70°C,ꢀ1000ꢀhours
Passive Aging
10ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ70days
Humidity Aging
5ꢁꢀtypicalꢀresistanceꢀchange
MIL-STD-883C,ꢀMethodꢀ
2007.1,ꢀConditionꢀA
Vibration
Noꢀchange
Dimensions
Figure 1
Figure 2
0.5 x 4.0
(.02”x .15”)
NOMINAL
SLIT
A
A
Marking
Marking
E
E
B
B
D1
D2
D1
D2
C
C
A
B
C
D1
D2
E
Part
Number
Inches
mm
Inches
mm
Inches
mm
Inches mm Inches mm
Inches
mm
Figure
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min. Min. Min Max. Min. Max.
15LR190
0.78 0.87 19.90 22.10 0.19 0.22 4.90 5.50 0.02 0.04 0.60 1.00 0.22 5.50 0.22 5.50 0.01 0.22 3.90 4.10
1
2
1
2
1
1
1
1
1
15LR190S 0.78 0.87 19.90 22.10 0.19 0.22 4.90 5.50 0.02 0.04 0.60 1.00 0.22 5.50 0.22 5.50 0.01 0.22 3.90 4.10
15LR260 0.82 0.91 20.90 23.10 0.19 0.22 4.90 5.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 3.90 4.10
15LR260S 0.82 0.91 20.90 23.10 0.19 0.22 4.90 5.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 3.90 4.10
15LR380S 0.94 1.02 24.00 26.00 0.27 0.30 6.90 7.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 4.90 5.10
20LR450S 0.94 1.02 24.00 26.00 0.39 0.41 9.90 10.50 0.02 0.04 0.60 1.00 0.21 5.30 0.21 5.30 0.01 0.21 5.90 6.10
20LR550S 1.38 1.46 35.00 37.00 0.27 0.30 6.90 7.50 0.02 0.04 0.60 1.00 0.21 5.30 0.21 5.30 0.01 0.21 4.90 5.10
20LR600S 0.94 1.02 24.00 26.00 0.55 0.57 13.90 14.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 5.90 6.10
20LR730S 1.07 1.15 27.10 29.10 0.55 0.57 13.90 14.50 0.02 0.04 0.60 1.00 0.16 4.10 0.16 4.10 0.01 0.16 5.90 6.10
LR Series
ꢁꢀ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Part Marking System
Part Numbering System
15 LR 190 S U
Top Side
Product Series
QUANTITY CODE
U: 500 (bulk)
LR
Current Rating
190S
XX9R
LEAD OPTIONS:
Blank = standard
S = slit lead
Littelfuse
Trademark
Lot Number
(Contact Littelfuse
for additional
information)
HOLD CURRENT (VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS)
SERIES
Voltage Rating (VDC)
Packaging
Ihold
(A)
Packaging
Option
Quantity &
Packaging Codes
Quantity
AllꢀRatings
Bulk
500
U
www.littelfuse.com
©2006 Littelfuse
ꢁꢁ
LR Series
Electronics Designers Guide
Specifications are subject to change without notice.
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Axial Leaded Strap
LT Series
Description
TheꢀnewꢀLTꢀseriesꢀdeviceꢀprovidesꢀreliable,ꢀnoncyclingꢀ
protectionꢀagainstꢀoverchargingꢀandꢀshortꢀcircuitsꢀeventsꢀ
forꢀrechargeableꢀbatteryꢀcellsꢀwhereꢀresettableꢀprotectionꢀ
isꢀdesired.ꢀ
Features
•ꢀRoHSꢀcompliantꢀandꢀꢀ
ꢀꢀꢀlead-free
ꢀ
•ꢀLowꢀresistance
•ꢀProvidesꢀovercurrentꢀꢀꢀꢀꢀ
ꢀ
•ꢀWeldableꢀnickelꢀterminals
ꢀꢀꢀprotectionꢀatꢀ100°Cꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ
ꢀꢀꢀtripꢀtemperature
•ꢀCompactꢀdesignꢀsavesꢀꢀ ꢀꢀꢀꢀꢀ
ꢀꢀꢀboardꢀspace
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
•ꢀRechargeableꢀbatteryꢀcellꢀꢀꢀꢀ
ꢀꢀꢀprotection
R50082521
ꢀꢀꢀ-ꢀMobileꢀphones
ꢀꢀꢀ-ꢀLaptopꢀcomputers
Electrical Characteristics
Maximum Time
To Trip
Agency
Resistance
P
Approvals
madx.
(W)
I hold
Part Number
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
Time
(Sec.)
(A)
3.50
3.50
5.00
5.00
5.00
9.00
9.00
9.00
10.00
10.00
13.0
15.0
16.0
17.0
15LT070
15LT070S
24LT100
24LT100S
24LT100SS
24LT180
24LT180S
24LT180SS
24LT190
24LT190S
24LT260
24LT300
24LT310
24LT340
0.7
0.7
1.0
1.0
1.0
1.8
1.8
1.8
1.9
1.9
2.6
3.0
3.1
3.4
1.5
1.5
2.5
2.5
2.5
3.8
3.8
3.8
4.2
4.2
5.2
6.3
6.0
6.8
15
15
24
24
24
24
24
24
24
24
24
24
24
24
100
100
100
100
100
100
100
100
100
100
100
100
100
100
1.0
1.0
1.5
1.5
1.5
2.0
2.0
2.0
1.9
1.9
2.3
2.0
2.5
2.7
5.00
5.00
7.00
7.00
7.00
2.90
2.90
2.90
3.00
3.00
5.0
0.100
0.100
0.070
0.070
0.070
0.040
0.040
0.040
0.030
0.030
0.025
0.015
0.018
0.016
0.200
0.200
0.130
0.130
0.130
0.068
0.068
0.068
0.057
0.057
0.042
0.031
0.030
0.027
0.340
0.340
0.260
0.260
0.260
0.120
0.120
0.120
0.100
0.100
0.076
0.055
0.055
0.050
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
4.0
5.0
5.0
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
)
LT Series
ꢁꢂ
Electronics Designers Guide
www.littelfuse.com
Specifications are subject to change without notice.
©2006 Littelfuse
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
20°C
40°C
50°C
60°C
70°C
85°C
Part Number
15LT070
Hold Current (A)
0.50
1.20
1.20
1.86
1.86
1.86
3.13
3.13
3.13
3.32
4.30
5.10
5.36
5.52
1.09
1.09
1.60
1.60
1.60
2.68
2.68
2.68
2.86
3.72
4.40
4.58
4.79
0.85
0.85
1.40
1.40
1.40
2.20
2.20
2.20
2.40
3.10
3.70
3.70
4.00
0.70
0.70
1.00
1.00
1.00
1.80
1.80
1.80
1.90
2.60
3.00
3.10
3.40
0.45
0.45
0.70
0.70
0.70
1.10
1.10
1.10
1.25
1.69
1.95
2.01
2.24
0.35
0.35
0.60
0.60
0.60
0.90
0.90
0.90
1.10
1.40
1.60
1.70
1.90
0.28
0.28
0.44
0.44
0.44
0.65
0.65
0.65
0.79
1.11
1.25
1.30
1.51
0.16
0.16
0.23
0.23
0.23
0.36
0.36
0.36
0.43
0.60
0.69
0.71
0.78
15LT070S
24LT100
0.50
0.80
24LT100S
24LT100SS
24LT180
0.83
0.83
1.33
24LT180S
24LT180SS
24LT190
1.33
1.33
1.48
24LT260
1.98
24LT300
2.30
24LT310
2.36
24LT340
2.60
Average Time Current Curves
Temperature Rerating Curve
190%
170%
150%
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
A: 24LT100S
B: 24LT180
C: 24LT190
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
www.littelfuse.com
ꢁ5
LT Series
Specifications are subject to change without notice.
©2006 Littelfuse
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Physical Specifications
Environmental Specifications
0.13mmꢀnominalꢀthickness,ꢀquarter-hardꢀ
nickelꢀ
Operating/Storage
Temperature
Terminal Material
-40°Cꢀtoꢀ+85°C
125°C
Maximum Device Surface
Temperature in Tripped State
Insulating Material Polyesterꢀtape
+70°C,ꢀ1000ꢀhours
Passive Aging
10ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ7days
Humidity Aging
5ꢁꢀtypicalꢀresistanceꢀchange
MIL-LTD-883C,ꢀConditionꢀA
Noꢀchange
Vibration
Dimensions
Figure 1
Figure 2
Figure 3
0.5 x 4.0
0.5 x 4.0
(.02”x .15”)
NOMINAL
NOMINAL
SLIT
(.02”x .15”)
SLIT
A
A
A
Marking
E
Marking
Marking
B
E
E
B
B
D1
D2
D1
D2
D1
D2
C
C
C
A
B
C
D1
D2
E
Fig.
Part
Inches
mm
Inches
mm
Inches
mm
in. mm in. mm
Inches
mm
Number
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min. Min. Min Max. Min. Max.
0.78 0.87 19.9 22.1 0.19 0.20 4.9 5.2 0.03 0.05 0.7 1.2 0.22 5.5 0.22 5.5 0.01 0.22 3.9 4.1
0.78 0.87 19.9 22.1 0.19 0.20 4.9 5.2 0.03 0.05 0.7 1.2 0.22 5.5 0.22 5.5 0.01 0.22 3.9 4.1
15LT070
1
2
1
2
3
1
2
3
1
2
1
1
1
1
15LT070S
24LT100
0.82 0.91 20.9 23.1 0.19 0.20 4.9 5.2 0.02 0.04 0.6
0.82 0.91 20.9 23.1 0.19 0.20 4.9 5.2 0.02 0.04 0.6
1
1
1
1
1
1
1
1
1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
24LT100S
24LT100SS 0.82 0.91 20.9 23.1 0.19 0.20 4.9 5.2 0.02 0.04 0.6
24LT180
0.94 1.02 24
0.94 1.02 24
26 0.19 0.20 4.9 5.2 0.02 0.04 0.6
26 0.19 0.20 4.9 5.2 0.02 0.04 0.6
26 0.19 0.20 4.9 5.2 0.02 0.04 0.6
24LT180S
24LT180SS 0.94 1.02 24
24LT190
24LT190S
24LT260
24LT300
24LT310
24LT340
0.84 0.92 21.3 23.4 0.40 0.43 10.2 11 0.02 0.04 0.5
0.84 0.92 21.3 23.4 0.40 0.43 10.2 11 0.02 0.04 0.5
0.20
0.20
0.20
5
5
5
0.20
0.20
0.20
5
5
5
0.01 0.20 4.8 5.4
0.01 0.20 4.8 5.4
0.01 0.20 5.9 6.1
0.94 1.02 24
26 0.43 0.47 10.8 11.9 0.02 0.04 0.6
1.12 1.25 28.4 31.8 0.51 0.53 13 13.5 0.02 0.04 0.5 1.1 0.25 6.3 0.25 6.3 0.00 0.25
6
6.6
0.94 1.02 24
0.94 1.02 24
26 0.58 0.63 14.8 15.9 0.02 0.04 0.6
26 0.58 0.63 14.8 15.9 0.02 0.04 0.6
1
1
0.20
0.20
5
5
0.20
0.20
5
5
0.01 0.20 5.9 6.1
0.01 0.20 5.9 6.1
LT Series
ꢁꢃ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Physical Specifications
Environmental Specifications
0.13mmꢀnominalꢀthickness,ꢀquarter-hardꢀ
nickelꢀ
Operating/Storage
Temperature
Terminal Material
-40°Cꢀtoꢀ+85°C
125°C
Maximum Device Surface
Temperature in Tripped State
Insulating Material Polyesterꢀtape
+70°C,ꢀ1000ꢀhours
Passive Aging
10ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ7days
Humidity Aging
5ꢁꢀtypicalꢀresistanceꢀchange
MIL-LTD-883C,ꢀConditionꢀA
Noꢀchange
Vibration
Dimensions
Figure 1
Figure 2
Figure 3
0.5 x 4.0
0.5 x 4.0
(.02”x .15”)
NOMINAL
NOMINAL
SLIT
(.02”x .15”)
SLIT
A
A
A
Marking
E
Marking
Marking
B
E
E
B
B
D1
D2
D1
D2
D1
D2
C
C
C
A
B
C
D1
D2
E
Fig.
Part
Inches
mm
Inches
mm
Inches
mm
in. mm in. mm
Inches
mm
Number
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min. Min. Min Max. Min. Max.
0.78 0.87 19.9 22.1 0.19 0.20 4.9 5.2 0.03 0.05 0.7 1.2 0.22 5.5 0.22 5.5 0.01 0.22 3.9 4.1
0.78 0.87 19.9 22.1 0.19 0.20 4.9 5.2 0.03 0.05 0.7 1.2 0.22 5.5 0.22 5.5 0.01 0.22 3.9 4.1
15LT070
1
2
1
2
3
1
2
3
1
2
1
1
1
1
15LT070S
24LT100
0.82 0.91 20.9 23.1 0.19 0.20 4.9 5.2 0.02 0.04 0.6
0.82 0.91 20.9 23.1 0.19 0.20 4.9 5.2 0.02 0.04 0.6
1
1
1
1
1
1
1
1
1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
0.16 4.1 0.16 4.1 0.01 0.16 3.9 4.1
24LT100S
24LT100SS 0.82 0.91 20.9 23.1 0.19 0.20 4.9 5.2 0.02 0.04 0.6
24LT180
0.94 1.02 24
0.94 1.02 24
26 0.19 0.20 4.9 5.2 0.02 0.04 0.6
26 0.19 0.20 4.9 5.2 0.02 0.04 0.6
26 0.19 0.20 4.9 5.2 0.02 0.04 0.6
24LT180S
24LT180SS 0.94 1.02 24
24LT190
24LT190S
24LT260
24LT300
24LT310
24LT340
0.84 0.92 21.3 23.4 0.40 0.43 10.2 11 0.02 0.04 0.5
0.84 0.92 21.3 23.4 0.40 0.43 10.2 11 0.02 0.04 0.5
0.20
0.20
0.20
5
5
5
0.20
0.20
0.20
5
5
5
0.01 0.20 4.8 5.4
0.01 0.20 4.8 5.4
0.01 0.20 5.9 6.1
0.94 1.02 24
26 0.43 0.47 10.8 11.9 0.02 0.04 0.6
1.12 1.25 28.4 31.8 0.51 0.53 13 13.5 0.02 0.04 0.5 1.1 0.25 6.3 0.25 6.3 0.00 0.25
6
6.6
0.94 1.02 24
0.94 1.02 24
26 0.58 0.63 14.8 15.9 0.02 0.04 0.6
26 0.58 0.63 14.8 15.9 0.02 0.04 0.6
1
1
0.20
0.20
5
5
0.20
0.20
5
5
0.01 0.20 5.9 6.1
0.01 0.20 5.9 6.1
www.littelfuse.com
©2006 Littelfuse
ꢁꢅ
LT Series
Electronics Designers Guide
Specifications are subject to change without notice.
•ꢀ
Providesꢀovercurrentꢀ
protectionꢀatꢀ125°Cꢀtripꢀ
temperature
•ꢀ
Rechargeableꢀbatteryꢀcellꢀ
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-free
•ꢀLowꢀresistance
POLYFUSE® Resettable PTCs
Axial Leaded Strap
ST Series
Description
TheꢀnewꢀSTꢀseriesꢀdeviceꢀprovidesꢀreliable,ꢀnoncyclingꢀ
protectionꢀagainstꢀoverchargingꢀandꢀshortꢀcircuitsꢀeventsꢀ
forꢀrechargeableꢀbatteryꢀcellsꢀwhereꢀresettableꢀprotectionꢀ
isꢀdesired.
Features
•ꢀWeldableꢀnickelꢀterminals
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
protection
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P
madx.
(W)
I hold
Part Number
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
15ST120
15ST120S
15ST175
15ST175S
1.2ꢀ
1.2
2.7
2.7
3.8
3.8
15
15
15
15
100
100
100
100
1.2
1.2
2.5
2.5
6.00
6.00
8.75
8.75
5.00
5.00
5.00
5.00
0.085
0.085
0.050
0.050
0.160
0.160
0.090
0.090
0.220
0.220
0.120
0.120
X
X
X
X
X
X
X
X
1.75
1.75
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
)
ST Series
ꢁ8
Electronics Designers Guide
www.littelfuse.com
Specifications are subject to change without notice.
©2006 Littelfuse
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
15ST120
Hold Current (A)
1.90
1.90
2.50
2.50
1.70
1.70
2.30
2.30
1.50
1.50
2.00
2.00
1.20
1.20
1.75
1.75
1.00
1.00
1.50
1.50
0.90
0.90
1.30
1.30
0.80
0.80
1.20
1.20
0.70
0.70
1.10
1.10
0.50
0.50
0.90
0.90
15ST120S
15ST175
15ST175S
Average Time Current Curves
Temperature Rerating Curve
170%
150%
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
A: 15ST120/15ST120S
B: 15ST175/15ST175S
C:
D:
E:
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
www.littelfuse.com
ꢁꢆ
ST Series
Specifications are subject to change without notice.
©2006 Littelfuse
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Physical Specifications
Lead Material
Environmental Specifications
0.13mmꢀnominalꢀthickness,ꢀꢀ
quarter-hardꢀnickelꢀ
Operating/Storage
Temperature
-40°Cꢀtoꢀ+85°C
125°C
Maximum Device Surface
Insulating Material Polyesterꢀtape
Temperature in Tripped State
+70°C,ꢀ1000ꢀhours
Passive Aging
Humidity Aging
Vibration
5ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ7days
5ꢁꢀtypicalꢀresistanceꢀchange
MIL-STD-883C,ꢀConditionꢀA
Noꢀchange
Dimensions
Figure 1
Figure 2
0.5 x 4.0
(.02”x .15”)
NOMINAL
SLIT
A
A
Marking
Marking
E
E
B
B
D1
D2
D1
D2
C
C
A
B
C
D1
D2
E
Part
Number
Fig.
Inches
mm
Inches
mm
Inches
mm
Inches mm Inches mm
Inches
mm
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Min. Min. Min. Min Max. Min. Max.
15ST120
0.78 0.87 19.9 22.1 0.19 0.20
4.9
4.9
4.9
4.9
5.2
5.2
5.2
5.2
0.02 0.04
0.02 0.04
0.02 0.04
0.02 0.04
0.6
0.6
0.6
0.6
1
1
1
1
0.22
0.22
0.16
0.16
5.5
5.5
4.1
4.1
0.22
0.22
0.16
0.16
5.5
5.5
4.1
4.1
0.01 0.22
0.01 0.22
0.01 0.16
0.01 0.16
3.9
3.9
3.9
3.8
4.1
4.1
4.1
4.2
1
2
1
2
15ST120S 0.78 0.87 19.9 22.1 0.19 0.20
15ST175 0.82 0.91 20.9 23.1 0.19 0.20
15ST175S 0.82 0.91 20.9 23.1 0.19 0.20
Part Marking System
Part Numbering System
Top Side
15 ST 175 S U
Product Series
ST
120
XX9U
QUANTITY CODE: U = 500 (bulk)
Current Rating
LEAD OPTIONS: Blank = standard
S = slit lead
Littelfuse
Trademark
Lot Number
(Contact Littelfuse
for additional
HOLD CURRENT (VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS)
SERIES
VOLTAGE RATING (VDC)
information)
Packaging
Ihold
(A)
Packaging
Option
Quantity &
Packaging Codes
Quantity
AllꢀRatings
Bulk
500
U
ST Series
ꢂ0
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
•ꢀ
Rechargeableꢀbatteryꢀcellꢀ
protection
POLYFUSE® Resettable PTCs
Axial Leaded Strap
VL Series
Description
TheꢀnewꢀVLꢀseriesꢀdeviceꢀprovidesꢀreliable,ꢀnoncyclingꢀ
protectionꢀagainstꢀoverchargingꢀandꢀshortꢀcircuitsꢀeventsꢀ
forꢀrechargeableꢀbatteryꢀcellsꢀwhereꢀresettableꢀprotectionꢀ
isꢀdesired.
Features
•ꢀRoHSꢀcompliantꢀandꢀꢀꢀ ꢀꢀꢀꢀꢀ •ꢀCompactꢀdesignꢀsavesꢀꢀ ꢀ
ꢀꢀꢀlead-free
ꢀꢀꢀboardꢀspace
•ꢀWeldableꢀnickelꢀterminals
•ꢀSlim,ꢀlowꢀprofileꢀdesign
•ꢀLowꢀresistance
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P
madx.
(W)
I hold
Part Number
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
12VL170
1.70
1.75
1.75
2.30
4.10
4.20
4.20
5.00
12
12
12
12
100
100
100
100
1.4
1.4
1.4
1.5
8.50
8.75
5.00
5.00
5.00
5.00
0.018
0.017
0.017
0.012
0.032
0.031
0.031
0.018
0.064
0.062
0.062
0.036
X
X
X
X
X
X
X
X
12VL175L
12VL175XL
12VL230
8.75
10.00
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
)
www.littelfuse.com
ꢂꢄ
Electronics Designers Guide
VL Series
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
25°C
40°C
50°C
60°C
70°C
Part Number
12VL170
Hold Current (A)
3.5
3.5
3.5
5.0
2.9
2.9
2.9
4.2ꢀ
2.4
2.4
2.4
3.4
1.70
1.75
1.75
2.30
1.2
1.3
1.3
1.7
1.0
1.0
1.0
1.3
0.7
0.8
0.8
0.9
0.3
0.3
0.3
0.4
12VL175L
12VL175XL
12VL230
ꢀ
Average Time Current Curves
Temperature Rerating Curve
220%
190%
170%
150%
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
A: 12VL230
C: VLD170F
B: 12VL175L, 12VL175XL
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
VL Series
ꢂꢀ
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Physical Specifications
Environmental Specifications
0.13mmꢀnominalꢀthickness,ꢀquarter-hardꢀ
nickelꢀ
Operating/Storage
Temperature
Terminal Material
-40°Cꢀtoꢀ+85°C
+60°C,ꢀ1000ꢀhours
Insulating Material Polyesterꢀtape
20ꢁꢀtypicalꢀresistanceꢀchange
-40°C,ꢀ1000ꢀhours
Passive Aging
5ꢁꢀtypicalꢀresistanceꢀchange
+60°C,ꢀ95ꢁR.H.ꢀ1000ꢀhours
30ꢁꢀtypicalꢀresistanceꢀchange
Humidity Aging
Thermal Shock
Vibration
MIL-STD-202G,ꢀMethodꢀ107Gꢀ
+85°Cꢀtoꢀ-40°Cꢀ10ꢀtimesꢀꢀꢀꢀ
5ꢁꢀtypicalꢀresistanceꢀchange
MIL-STD-883C,ꢀMethodꢀ2026ꢀ
Noꢀchange
Dimensions
Figure 1
Figure 2
A
A
Marking
Marking
E
E
B
B
D1
D2
D1
D2
C
C
A
B
C
D1
D2
E
Fig.
Part
Number
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max Min Max Min Max Min Max Min Max. Min. Max.
0.82 0.91 20.80 23.20 0.14 0.15 3.50 3.90 -- 0.03 -- 0.80 0.18 0.26 4.50 6.50 0.18 0.26 4.50 6.50 0.01 0.26 2.40 2.60
1.15 1.25 29.30 31.70 0.11 0.13 2.90 3.30 -- 0.03 -- 0.80 0.20 0.27 5.20 6.80 0.39 0.49 10.00 12.50 0.02 0.49 2.40 2.60
12VL170
1
2
1
2
12VL175L
12VL175XL 1.00 1.11 25.50 28.20 0.14 0.15 3.50 3.90 -- 0.03 -- 0.80 0.34 0.41 8.70 10.30 0.22 0.29 5.70 7.30 0.01 0.29 2.40 2.60
12VL230
0.82 0.91 20.90 23.10 0.19 0.21 4.90 5.30 -- 0.03 -- 0.80 0.16 0.23 4.10 5.80 0.16 0.23 4.10 5.80 0.01 0.23 3.90 4.10
www.littelfuse.com
©2006 Littelfuse
ꢂꢁ
VL Series
Electronics Designers Guide
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Part Marking System
Part Numbering System
Double Sided Marking
12 VL 175 XL U
Top Side
Product Series
QUANTITY CODE: U = 500 (bulk)
LEAD OPTIONS: Blank = standard
VL
230
L = long lead
XL = extended long lead
Littelfuse
Trademark
Current Rating
Product Series
HOLD CURRENT (VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS)
SERIES
VOLTAGE RATING (VDC)
Bottom Side
VL
230
XXAK
Current Rating
Littelfuse
Trademark
Lot Number
(Contact Littelfuse
for additional
information)
Packaging
Ihold
(A)
Packaging
Option
Bulk
Quantity &
Packaging Codes
Quantity
AllꢀRatings
500
U
VL Series
ꢂꢂ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
•ꢀ
Rechargeableꢀbatteryꢀcellꢀ
protectionꢀ
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Axial Leaded Strap
VT Series
Description
TheꢀnewꢀVTꢀseriesꢀdeviceꢀprovidesꢀreliable,ꢀnoncyclingꢀ
protectionꢀagainstꢀoverchargingꢀandꢀshortꢀcircuitsꢀeventsꢀ
forꢀrechargeableꢀbatteryꢀcellsꢀwhereꢀresettableꢀprotectionꢀ
isꢀdesired.
Features
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-free
•ꢀ
•ꢀ
Compactꢀdesignꢀsavesꢀ
boardꢀspace
•ꢀ
•ꢀ
Weldableꢀnickelꢀterminals
Slim,ꢀlowꢀprofileꢀdesign
Lowꢀresistance
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
R50082521
ꢀ -ꢀMobileꢀphonesꢀ
ꢀ -ꢀLaptopꢀcomputers
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P
madx.
(W)
I hold
Part Number
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
16VT170
1.70
1.70
1.75
1.75
1.75
1.75
1.75
1.75
2.00
2.00
2.00
2.10
2.10
2.10
2.10
2.10
2.10
2.40
3.40
3.40
3.80
3.80
3.80
3.80
3.60
3.60
4.50
4.50
4.70
4.70
4.70
4.70
4.70
4.70
4.70
5.40
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
8.50
8.50
3.00
3.00
3.00
3.00
3.00
5.00
5.00
5.00
4.00
4.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
4.00
0.030
0.030
0.025
0.025
0.025
0.029
0.029
0.029
0.021
0.021
0.022
0.018
0.018
0.018
0.018
0.018
0.018
0.015
0.052
0.052
0.045
0.045
0.045
0.051
0.051
0.051
0.039
0.039
0.039
0.030
0.030
0.030
0.030
0.035
0.035
0.026
0.105
0.105
0.090
0.090
0.090
0.102
0.102
0.102
0.080
0.080
0.076
0.060
0.060
0.060
0.060
0.065
0.065
0.052
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
16VT170XS
16VT175
9.00
16VT175S
16VT175L
16VT175XL
16VT175EL
16VT175NEL
16VT200
9.00
9.00
8.75
8.75
8.75
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
10.00
12.00
16VT200S
16VT200UL
16VT210
16VT210S
16VT210SS
16VT210L
16VT210NL
16VT210UL
16VT240
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pꢀdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
)
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ꢂ5
Electronics Designers Guide
VT Series
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
50°C
60°C
70°C
85°C
Part Number
Hold Current (A)
16VT170
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.20
3.70
3.70
3.70
4.10
4.10
4.10
4.10
4.10
4.10
4.40
2.70
2.70
2.70
2.70
2.70
2.70
2.70
2.70
3.20
3.20
3.20
3.50
3.50
3.50
3.50
3.50
3.50
3.70
2.20
2.20
2.20
2.20
2.20
2.20
2.20
2.20
2.60
2.60
2.60
2.90
2.90
2.90
2.90
2.90
2.90
3.10
1.70
1.70
1.75
1.75
1.75
1.75
1.75
1.75
2.00
2.00
2.00
2.10
2.10
2.10
2.10
2.10
2.10
2.40
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.30
1.50
1.50
1.50
1.60
1.60
1.60
1.60
1.60
1.60
1.80
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.20
1.20
1.20
1.30
1.30
1.30
1.30
1.30
1.30
1.50
0.80
0.80
0.80
0.80
0.80
0.80
0.80
0.80
0.90
0.90
0.90
1.00
1.00
1.00
1.00
1.00
1.00
1.20
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.70
0.70
0.70
0.70
0.70
0.70
0.90
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
0.10
16VT170XS
16VT175
16VT175S
16VT175L
16VT175XL
16VT175EL
16VT175NEL
16VT200
16VT200S
16VT200UL
16VT210
16VT210S
16VT210SS
16VT210L
16VT210NL
16VT210UL
16VT240
Average Time Current Curves
Temperature Rerating Curve
200%
170%
150%
130%
110%
90%
70%
50%
30%
10%
B
A
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
A: 16VT170XS
B: 16VT210S
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
VT Series
ꢂꢃ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Physical Specifications
Environmental Specifications
0.13mmꢀnominalꢀthickness,ꢀquarter-hardꢀ
nickelꢀ
Operating/Storage
Temperature
Terminal Material
-40°Cꢀtoꢀ+85°C
+70°C,ꢀ1000ꢀhours
Insulating Material Polyesterꢀtape
Passive Aging
10ꢁꢀtypicalꢀresistanceꢀchange
+85°C,ꢀ85ꢁR.H.ꢀ70days
Humidity Aging
5ꢁꢀtypicalꢀresistanceꢀchange
MIL-STD-202ꢀMethodꢀ107Gꢀ
+85°C/-40°Cꢀ20ꢀtimesꢀ
-30ꢁꢀtypicalꢀresistanceꢀchange
Thermal Shock
Vibration
MIL-STD-883C,ꢀMethodꢀ
2007.1,ꢀConditionꢀA
Noꢀchange
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©2006 Littelfuse
ꢂꢅ
Electronics Designers Guide
VT Series
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Dimensions
Figure 1
Figure 2
Figure 3
0.5 x 4.0
(.02”x .15”)
0.5 x 4.0
(.02”x .15”)
NOMINAL
NOMINAL
SLIT
SLIT
A
A
A
Marking
E
Marking
B
E
B
Marking
E
B
D1
D2
D1
D2
C
C
D1
D2
C
Figure 4
Figure 5
A
A
Marking
Marking
E
E
B
B
D2
D1
D2
D1
C
C
Figure 6
A
E
Marking
B
D1
D2
C
A
B
C
D1
D2
E
Part Number
Figure
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Inches
mm
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max Min Max Min Max Min
Max Min Max Min Max
16VT170
0.61 0.69 15.40 17.50 0.28 0.29 7.00 7.40 0.02 0.03 0.50 0.80 0.16
0.82 0.90 20.90 22.90 0.19 0.21 4.90 5.30 0.02 0.03 0.50 0.80 0.16
0.82 0.87 20.90 22.20 0.14 0.15 3.50 3.80 0.02 0.03 0.50 0.70 0.16
0.82 0.87 20.90 22.20 0.14 0.15 3.50 3.80 0.02 0.03 0.50 0.70 0.16
1.02 1.10 26.00 28.00 0.14 0.15 3.50 3.80 0.02 0.03 0.50 0.80 0.24
-
-
-
-
-
4.00
4.00
4.00
4.00
6.00
-
-
-
-
-
0.16
0.16
0.16
0.16
0.24
-
-
-
-
-
4.00
4.00
4.00
4.00
6.00
-
-
-
-
-
0.15 0.16 3.90 4.10
0.15 0.16 3.90 4.10
0.11 0.12 2.90 3.10
0.11 0.12 2.90 3.10
0.11 0.12 2.90 3.10
1
2
1
2
1
4
6
6
1
2
4
1
2
3
1
5
5
1
16VT170XS
16VT175
16VT175S
16VT175L
16VT175XL
16VT175EL
16VT175NEL
16VT200
1.00 1.11 25.50 28.20 0.14 0.15 3.50 3.90 0.02 0.03 0.50 0.80 0.34 0.41 8.70 10.30 0.22 0.29 5.70
1.53 1.62 38.80 41.20 0.14 0.15 3.50 3.90 0.02 0.03 0.60 0.80 0.74 0.80 18.70 20.30 0.34 0.41 8.70 10.30 0.09 0.10 2.40 2.60
1.53 1.62 38.80 41.20 0.11 0.13 2.90 3.30 0.02 0.03 0.60 0.80 0.79 0.87 20.00 22.00 0.20 0.27 5.20 6.80 0.09 0.10 2.40 2.60
7.30 0.09 0.10 2.40 2.60
0.82 0.91 20.90 23.10 0.15 0.17 3.80 4.30 0.02 0.03 0.60 0.70 0.16
0.82 0.91 20.90 23.10 0.15 0.17 3.80 4.30 0.02 0.03 0.60 0.70 0.16
-
-
4.00
4.00
-
-
0.16
0.16
-
-
4.00
4.00
-
-
0.11 0.12 2.90 3.10
0.11 0.12 2.90 3.10
16VT200S
16VT200UL
16VT210
1.42 1.54 36.00 39.00 0.16 0.17 4.10 4.30 0.02 0.03 0.50 0.80 0.15 0.21 3.90 5.30 0.78 0.85 19.70 21.50 0.11 0.12 2.90 3.10
0.82 0.91 20.90 23.10 0.19 0.21 4.90 5.30 0.02 0.03 0.60 0.80 0.16 4.10 0.16 4.10 0.15 0.16 3.90 4.10
0.82 0.91 20.90 23.10 0.19 0.21 4.90 5.30 0.02 0.03 0.60 0.80 0.16 0.23 4.10 5.80 0.16 0.23 4.10 5.80 0.15 0.16 3.90 4.10
-
-
-
-
16VT210S
16VT210SS
16VT210L
16VT210NL
16VT210UL
16VT240
0.82 0.91 20.90 23.10 0.19 0.21 4.90 5.30 0.02 0.03 0.60 0.80 0.16
0.94 1.02 24.00 26.00 0.19 0.21 4.90 5.30 0.02 0.03 0.60 0.80 0.20
2.78 2.81 70.50 71.50 0.15 0.17 3.80 4.30 0.02 0.03 0.60 0.80 0.98
2.78 2.81 70.50 71.50 0.19 0.21 4.90 5.30 0.02 0.03 0.60 0.80 1.12
0.95 1.03 24.20 26.20 0.19 0.21 4.90 5.30 0.02 0.03 0.60 0.80 0.20
-
-
-
-
-
4.10
5.00
-
-
-
-
-
0.16
0.20
0.98
1.12
0.20
-
-
-
-
-
4.10
5.00
-
-
-
-
-
0.15 0.16 3.90 4.10
0.15 0.16 3.90 4.10
0.11 0.12 2.90 3.10
0.15 0.16 3.90 4.10
0.15 0.16 3.90 4.10
25.00
28.50
5.00
25.00
28.50
5.00
VT Series
8
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©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Axial Leaded Strap
Part Marking System
Double Sided Marking
Top Side
Bottom Side
Product Series
Current Rating
Product Series
VT
210
XXEF
VT
Current Rating
210
Littelfuse
Trademark
Littelfuse
Trademark
Lot Number
(Contact Littelfuse
for additional
information)
Part Numbering System
16 VT 175 NEL U
QUANTITY CODE
U: 500 (bulk)
LEAD OPTIONS: Blank = standard
EL = extra long lead
S = slit lead
SS = both leads slit
UL = ultra long lead
L = long lead
NEL = narrow extra long lead XL = extended long lead
NL = narrow long lead XS = extended long lead slit
HOLD CURRENT (VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS)
SERIES
Voltage Rating (VDC)
Packaging
Ihold
(A)
Packaging
Option
Quantity &
Packaging Codes
Quantity
AllꢀRatings
Bulk
500
U
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©2006 Littelfuse
ꢀꢁ
VT Series
Specifications are subject to change without notice.
Electronics Designers Guide
•ꢀ
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀꢀꢀ
lead-freeꢀ
0.08ꢀ–ꢀ0.18ꢀHoldꢀcurrentꢀ
range,ꢀ60VDCꢀoperatingꢀ
voltage
•ꢀ
Binnedꢀandꢀsortedꢀnarrowꢀ •ꢀ250VACꢀinterruptꢀrating
resistanceꢀrangesꢀavailable
•ꢀ
•ꢀ
CustomerꢀPremisesꢀ
Equipmentꢀ(CPE)
CentralꢀOfficeꢀ(CO)/ꢀ
TelecomꢀCenters
•ꢀLAN/WANꢀEquipment
•ꢀAccessꢀequipment
POLYFUSE® Resettable PTCs
Radial Leaded
250R Series
Description
•ꢀTheꢀ250Rꢀseriesꢀisꢀdesignedꢀtoꢀprotectꢀagainstꢀshortꢀ
durationꢀhighꢀvoltageꢀfaultꢀcurrentsꢀ(powerꢀcrossꢀorꢀ
powerꢀinductionꢀsurge)ꢀtypicallyꢀfoundꢀinꢀtelecomꢀ
applicationsꢀ(250Vrms).ꢀꢀTheꢀseriesꢀcanꢀbeꢀusedꢀtoꢀhelpꢀ
telecomꢀnetworkingꢀequipmentꢀmeetꢀtheꢀprotectionꢀ
requirementsꢀspecifiedꢀinꢀITUꢀK.20ꢀandꢀK.21.
Features
•ꢀFastꢀtime-to-trip
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P
Vmax
/ V
Part Number
madx.
(W)
I hold
(A)
I trip
(A)
I max
(A)
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
V
Current
(A)
Time
(Sec.)
int
op
250R080T
250R080
0.08
0.08
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.145
0.145
0.145
0.145
0.18
0.18
0.16
0.16
0.24
0.24
0.24
0.24
0.24
0.24
0.24
0.24
0.29
0.29
0.29
0.29
0.65
0.65
250/60
250/60
250/60
250/60
250/60
250/60
250/60
250/60
250/60
250/60
250/60
250/60
250/60
250/60
250/60
250/60
3
3
1
1
0.35
0.35
1
3
3
15
14
4
22
22
8
33
33
16
16
14
16
16
16
16
16
14
12
14
14
4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
250R120
3
1
1.5
1.0ꢀ
0.85
0.7
0.8
0.7
1
250R120-RA
250R120-RC
250R120-RF
250R120-R1
250R120-R2
250R120-R3
250R120T
250R145
3
1
1
7
9
3
1
1
5.4
6
7.5
10.5
9
3
1
1
3
1
1
6
3
1
1
8
10.5
10
12
6
3
1
1
8
3
1
1
1.2
2.5
5
7
3
1
1
3
250R145-RA
250R145-RB
250R145T
250R180
3
1
1
3
5.5
6
3
1
1
2.5
2.0
21
4.5
5.4
0.8
1.4
3
1
1
7.5
2.2
3.9
10
10
1.8
1.8
1
250R180T
1
20
4.5
*typicalꢀvalueꢀ
C:ꢀcoatedꢀdeviceꢀ
T:ꢀpre-trippedꢀdevice
ꢂ50R Series
50
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©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Radial Leaded
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
Hold Current (A)
0.06
50°C
60°C
70°C
85°C
Part Number
250R080
0.12
0.12
0.18
0.18
0.26
0.26
0.28
0.28
0.11
0.11
0.16
0.16
0.20
0.20
0.23
0.23
0.09
0.09
0.14
0.14
0.17
0.17
0.21
0.21
0.08
0.08
0.12
0.12
0.145
0.145
0.18
0.18
0.05
0.05
0.09
0.09
0.11
0.11
0.13
0.13
0.05
0.05
0.08
0.08
0.09
0.09
0.10
0.10
0.04
0.04
0.06
0.06
0.08
0.08
0.11
0.11
0.03
0.03
0.05
0.05
0.06
0.06
0.083
0.083
250R080T
250R120
0.06
0.10
0.10
0.12
0.12
0.16
0.16
250R120T
250R145
250R145T
250R180
250R180T
Average Time Current Curves
Temperature Rerating Curve
170%
150%
130%
100000
10000
1000
100
110%
90%
70%
50%
30%
10%
-40 -30 -20 -10
0
10
20 30
Temperature (°C)
40 50 60 70 80
10
1
0.100
0.010
0.001
0.02
0.100
1
10
100
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.18
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
www.littelfuse.com
5ꢃ
ꢂ50R Series
Specifications are subject to change without notice.
©2006 Littelfuse
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Radial Leaded
Agency Specification Selection Guide For Telecom and Networking Applications
Product
Lightning
Power Cross
250R120
250R145
ITUꢀK.20/21/45ꢀ–ꢀ1.5kVꢀ10/700μs
ITUꢀK.20/21/45ꢀ–ꢀ4kVꢀ10/700μs*
ITUꢀK.20/21/45ꢀ–ꢀ230Vac,ꢀ10Ω
ITUꢀK.20/21/45ꢀ–ꢀ600Vac,ꢀ600Ω
ITUꢀK.20/21/45ꢀ–ꢀ1.5kVꢀ10/700μs
ITUꢀK.20/21/45ꢀ–ꢀ4kVꢀ10/700μs*
TelcordiaꢀGRꢀ–ꢀ974ꢀ–ꢀ1.0kVꢀ10/1000μs
ITUꢀK.20/21/45ꢀ–ꢀ230Vac,ꢀ10Ω
ITUꢀK.20/21/45ꢀ–ꢀ600Vac,ꢀ600Ω
TelcordiaꢀGRꢀ–ꢀ974-ꢀ283Vac,ꢀ10A
250R180
*Devicesꢀshouldꢀbeꢀindependentlyꢀevaluatedꢀandꢀtestedꢀforꢀuseꢀinꢀanyꢀspecificꢀapplicationꢀ
Protection Application Guide
Region/Specification
Application
Device Selection
250R180
250R180T
250R145
250R145T
250R120
250R120T
*Accessꢀnetworkꢀequipment
ꢀꢀRemoteꢀterminal
ꢀꢀRepeaters
SouthꢀAmerica/Asia/Europe
ꢀꢀITUꢀK.45
ꢀꢀWANꢀequipment
ꢀꢀCrossꢀ–connect
CustomerꢀandꢀITꢀequipment
Analogꢀmodems
ꢀ250R180
250R180T
250R145
250R145T
250R120
250R120T
SouthꢀAmerica/Asia/Europe
ꢀꢀITUꢀK.21
ADSL,ꢀxDSL
Phoneꢀsets,ꢀPBXꢀsystems
Internetꢀappliances
POSꢀterminals
ꢀ250R180
250R180T
250R145
250R145T
250R120
250R120T
CentralꢀOffice
POTS/ISDNꢀlinecards
T1/E1/J1ꢀlinecards
ADSL/VDSLꢀsplitters
CSU/DSU
SouthꢀAmerica/Asia/Europe
ꢀꢀITUꢀK.20
ꢀ250R180
250R180T
250R145
250R145T
250R120
250R120T
NorthꢀAmerica
ꢀꢀTelcordiaꢀGR-974
*Primaryꢀprotectionꢀmodules
ꢀꢀMDFꢀmodules
SouthꢀAmerica/Asia/Europe
ꢀꢀITUꢀK.20
ꢀꢀNetworkꢀinterfaceꢀ
ꢀ250R180
250R180T
250R145
250R145T
250R120
250R120T
NorthꢀAmerica
ꢀꢀTelcordiaꢀGR-1089
*Intrabuildingꢀcommunicationꢀsystems
ꢀꢀLAN,ꢀVOIPꢀcards
ꢀꢀLocalꢀloopꢀhandsets
SouthꢀAmerica/Asia/Europe
ꢀꢀITUꢀK.20ꢀandꢀK.21
LANꢀIntrabuildingꢀpowerꢀcross
ꢀꢀProtection
250R080
ꢀꢀLANꢀequipment,ꢀIPꢀphone
*Resistanceꢀbinnedꢀpartsꢀareꢀrecommended
ꢂ50R Series
5ꢂ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
Devicesꢀareꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀbottomꢀ
sideꢀofꢀtheꢀboard.
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀ
andꢀsolvents.ꢀ
Thisꢀprofileꢀcanꢀbeꢀusedꢀforꢀlead-freeꢀdevice
Note:ꢀ
Ifꢀsolderingꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀ
profile,ꢀdevicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀ
requirements.
•ꢀ
•ꢀ
•ꢀ
Recommendedꢀreflowꢀmethods:ꢀIR,ꢀvaporꢀphaseꢀoven,ꢀhotꢀ
airꢀoven,ꢀN2ꢀenvironmentꢀforꢀlead-free.
Devicesꢀareꢀnotꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀ
bottomꢀsideꢀofꢀtheꢀboard.
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀ
andꢀsolvents.
Note:ꢀ
Ifꢀreflowꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀ
profile,ꢀdevicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀ
requirements.
•ꢀ
•ꢀ
•ꢀ
•ꢀ
Recommendedꢀsolderingꢀmethods:ꢀheatꢀelementꢀovenꢀorꢀ
N2ꢀenvironmentꢀforꢀlead-free.
POLYFUSE® Resettable PTCs
Radial Leaded
Soldering Parameters - Wave Soldering
Condition
WaveꢀSoldering
<
Peak Temp/ Duration Time
260°Cꢀ ꢀ5ꢀSec
Soldering
Cooling
260
220
>
ꢀ220°C
2ꢀSecꢀ~ꢀ20ꢀSec
Preheat 140°C ~ 180°C
Storage Condition
180ꢀSecꢀ~ꢀ210ꢀSec
Preheating
<
0°C~35°Cꢀ ꢀ70%RH
190
160
0
2 to 5
20-30
180 to 210
Time(s)
Soldering Parameters - Solder Reflow
Condition
Reflow
>
Peak Temp/ Duration Time
260°Cꢀ ꢀ5ꢀSec
Soldering
Cooling
260
220
>
ꢀ220°C
30ꢀSecꢀ~ꢀ60ꢀSec
60ꢀSecꢀ~ꢀ90ꢀSec
Preheat 160°C ~ 190°C
Storage Condition
Preheating
<
0°C~35°C,ꢀ ꢀ70%RH
190
160
0
30 to 60
120
60 to 90
Time(s)
Physical Specifications
Environmental Specifications
Operating/Storage
Lead Material
Tin-platedꢀcopper
-40°Cꢀtoꢀ+85°C
Temperature
Soldering
Characteristics
SolderabilityꢀperꢀMIL-STD-202,ꢀ
Methodꢀ208E
Maximum Device Surface
Temperature in Tripped State
125°C
Cured,ꢀflameꢀretardantꢀepoxyꢀpolymerꢀ
meetsꢀUL94V-0ꢀrequirements.ꢀ
Insulating Material
Device Labeling
65°C/85°C,ꢀ1000ꢀhours
+85°C,ꢀ85%R.H.ꢀ1000ꢀhours
Passive Aging
MarkedꢀwithꢀLF,ꢀvoltage,ꢀcurrentꢀrating,ꢀ
andꢀdateꢀcode.
Humidity Aging
MIL-STD-202FꢀMethodꢀ107Gꢀ
+125°Cꢀtoꢀ-55°Cꢀ10ꢀtimes
Thermal Shock
Solvent Resistance
MIL-STD-202,ꢀMethodꢀ215F
www.littelfuse.com
©2006 Littelfuse
5ꢄ
Electronics Designers Guide
ꢂ50R Series
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Dimensions
C
A
A
C
Marking
Marking
B
B
D
D
F
F
E
E
Figure ꢃ
Figure ꢂ
A
B
C
D
E
Physical Characteristics
Lead (dia)
Part Number Inches mm Inches mm Inches mm Inches mm Inches mm
Max. Max. Max. Max. Max. Max.
Material Figure
Min.
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
Min.
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
Typ.
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
Typ.
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
Inches
0.026
0.026
0.026
0.026
0.026
0.026
0.026
0.026
0.026
0.026
0.026
0.026
0.026
0.026
0.026
0.026
mm
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
0.65
250R080
0.23
0.23
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.26
0.37
0.37
5.8
5.8
6.5
6.5
6.5
6.5
6.5
6.5
6.5
6.5
6.5
6.5
6.5
6.5
9.5
9.5
0.39
0.39
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.43
0.47
0.47
9.9
9.9
11
11
11
11
11
11
11
11
11
11
11
11
12
12
0.18
0.18
0.15
0.18
0.18
0.18
0.18
0.18
0.18
0.18
0.18
0.18
0.18
0.18
0.18
0.18
4.6
4.6
3.8
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
1
1
2
2
2
2
2
2
2
2
2
2
2
2
1
1
250R080T
250R120
250R120-RA
250R120-RC
250R120-RF
250R120-R1
250R120-R2
250R120-R3
250R120T
250R145
250R145-RA
250R145-RB
250R145T
250R180
250F180T
Part Marking System
Littelfuse
Trademark
Littelfuse
Trademark
Voltage Rating
Current Rating
Date Code
Voltage Rating
Current Rating
Date Code
250
250
080
XXXX
120
XXXX
(Contact Littelfuse
for additional
information)
(Contact Littelfuse
for additional
information)
ꢂ50R Series
5ꢀ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Radial Leaded
Part Numbering System
250 R 120 - RA Z R
PACKAGING STYLE
BLANK: Bulk
R: Tape & Ammo
QUANTITY CODE: M=1000 U=500 Z=1200
SERIES
Rx: Resistance Range (x = A-Z or 1-9) [not applicable for all parts]
T: PRE-TRIPPED DEVICE (OPTIONAL)
I HOLD CURRENT CODE (SEE TABLE BELOW)
R: RADIAL
PEAK VOLTAGE RATING
Packaging
I hold
(A)
I hold
Code
Packaging
Option
Quantity &
Packaging Codes
Quantity
Bulk
TapeꢀandꢀAmmo
Bulk
500
1500
500
U
DR
U
0.080
0.120
0.145
0.180
080
120
145
180
TapeꢀandꢀAmmo
Bulk
1200
500
ZR
U
TapeꢀandꢀAmmo
Bulk
1200
200
ZR
F
TapeꢀandꢀAmmo
1000
MR
www.littelfuse.com
©2006 Littelfuse
55
ꢂ50R Series
Electronics Designers Guide
Specifications are subject to change without notice.
Secondaryꢀovercurrentꢀ
protectionꢀfor:
•ꢀ
AlarmꢀSystems
•ꢀ
CentralꢀOfficeꢀꢀꢀꢀ
Equipmentꢀ(CO)
CustomerꢀPremisesꢀ
Equipmentꢀ(CE)
SubscriberꢀLineꢀInterfaceꢀ
Circuitꢀ(SLIC)
•ꢀ
POLYFUSE® Resettable PTCs
Radial Leaded
600R Series
Description
•ꢀTheꢀ600Rꢀseriesꢀisꢀdesignedꢀtoꢀprotectꢀagainstꢀpowerꢀ
faultꢀeventsꢀtypicallyꢀfoundꢀinꢀtelecomꢀapplications.ꢀꢀꢀꢀꢀ
Thisꢀseriesꢀisꢀdesignedꢀtoꢀbeꢀusedꢀinꢀapplicationsꢀthatꢀ
needꢀtoꢀmeetꢀtheꢀrequirementsꢀofꢀGR-1089-COREꢀandꢀ
UL60950/EN60950/IEC60950.ꢀꢀTheseꢀresettableꢀdevicesꢀ
alsoꢀhelpꢀtoꢀmeetꢀtheꢀrequirementsꢀofꢀITUꢀK.20,ꢀK.21ꢀandꢀ
K.44.
Features
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-free
•ꢀ
0.15ꢀ–ꢀ0.16AꢀHoldꢀcurrentꢀ
range,ꢀ60VDCꢀoperatingꢀ
voltage
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
•ꢀFastꢀtime-to-trip
•ꢀ
Binnedꢀandꢀsortedꢀnarrowꢀ •ꢀ
resistanceꢀrangesꢀavailable
600VACꢀinterruptꢀrating
R50082521
Applications
•ꢀSetꢀTopꢀBoxesꢀ(STB)
•ꢀVoiceꢀoverꢀIPꢀ(VOIP)
•ꢀ
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P
Part Number
madx.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
R min
(Ω)
R typ
(Ω)
R 1max
(Ω)
Current
(A)
Time
(Sec.)
600R150
0.15
0.15
0.15
0.16
0.16
0.16
0.30
0.30
0.30
0.32
0.32
0.32
600
600
600
600
600
600
3
3
3
3
3
3
1.00
1.00
1.00
1.00
1.00
1.00
5.0
5.0
4.5
7.5
9.5
9.0
8.0
6
7
9
4
4
4
12
10
12
10
7
22
20
22
18
16
17
X
X
X
X
X
X
X
X
X
X
X
X
600R150-RA
600R150-RB
600R160
7.5
-
18
-
600R160-RA
600R160-R1
-
8
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
Hold Current (A)
0.15
40°C
60°C
85°C
Part Number
600R150
0.26
0.27
0.23
0.24
0.19
0.20
0.124
0.13
0.062
0.07
0.03
0.05
600R160
0.16
ꢅ00R Series
5ꢅ
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Average Time Current Curves
Temperature Rerating Curve
170%
150%
130%
100000
10000
1000
100
110%
90%
70%
50%
30%
10%
-40 -30 -20 -10
0
10
20 30
Temperature (°C)
40 50 60 70 80
10
1
0.100
0.010
0.001
0.20
1
10
100
1000
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.15
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
Agency Specification Selection Guide For Telecom and Networking Applications
Part Number
Lightning
Power Cross
600R150ꢀ
600R160
TIA-968-Aꢀ–ꢀ
1.5kVꢀ10/160μsꢀ
UL60950,ꢀ3rdꢀEdꢀ–ꢀ600Vac,ꢀ40A
TelcordiaꢀGRꢀ–ꢀ1089ꢀ–ꢀ600Vac,ꢀ60A
800Vꢀ10/560μsꢀ
TelcordiaꢀGRꢀ–
1089–
1.0kVꢀ10/1000μsꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ
2.5kVꢀ2/10μs
Devicesꢀshouldꢀbeꢀindependentlyꢀevaluatedꢀandꢀtestedꢀforꢀuseꢀinꢀanyꢀspecificꢀapplicationꢀ
www.littelfuse.com
5ꢆ
Electronics Designers Guide
ꢅ00R Series
Specifications are subject to change without notice.
©2006 Littelfuse
Devicesꢀareꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀbottomꢀ
sideꢀofꢀtheꢀboard.
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀ
andꢀsolvents.ꢀ
Thisꢀprofileꢀcanꢀbeꢀusedꢀforꢀlead-freeꢀdevice
Note:ꢀ
Ifꢀsolderingꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀ
profile,ꢀdevicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀ
requirements.
•ꢀ
•ꢀ
•ꢀ
•ꢀ
Recommendedꢀsolderingꢀmethods:ꢀheatꢀelementꢀovenꢀorꢀ
N2ꢀenvironmentꢀforꢀlead-free
POLYFUSE® Resettable PTCs
Radial Leaded
Protection Application Guide
Region/Specification
Application
Device Selection
*Accessꢀnetworkꢀequipment
Remoteꢀterminal
ꢀRepeaters
NorthꢀAmerica
ꢀꢀꢀTelcordiaꢀGR-1089
600R150
600R160
ꢀWANꢀequipment
ꢀCrossꢀ-connect
CustomerꢀandꢀITꢀequipment
ꢀAnalogꢀmodems
NorthꢀAmerica
ꢀꢀTIA-968-A,ꢀUL60950
ꢀADSL,ꢀXDSLꢀmodems
ꢀPhoneꢀsets,ꢀPBXꢀsystems
ꢀInternetꢀappliances
ꢀPOSꢀterminals
600R150
600R160
CentralꢀOffice
ꢀPOTS/ISDNꢀlinecards
ꢀT1/E1/J1ꢀlinecards
ꢀADSL/VDSLꢀsplitters
ꢀCSU/DSU
NorthꢀAmerica
ꢀꢀTelcordiaꢀGR-1089
600R150
600R160
NorthꢀAmerica
ꢀꢀTelcordiaꢀGR-1089
*Intrabuildingꢀcommunicationꢀsystems
ꢀLAN,ꢀVOIPꢀcards
600R150
600R160
SouthꢀAmerica/Asia/Europe
ꢀꢀITUꢀK.20ꢀandꢀK.21
ꢀLocalꢀloopꢀhandsets
*Resistanceꢀbinnedꢀpartsꢀareꢀrecommended
Soldering Parameters - Wave Soldering
Condition
WaveꢀSoldering
<
Peak Temp/ Duration Time
260°Cꢀ ꢀ5ꢀSec
Soldering
Cooling
260
220
>
220°C
2ꢀSecꢀ~ꢀ20ꢀSec
Preheat 140°C~ 180°C
Storage Condition
180ꢀSecꢀ~ꢀ210ꢀSec
Preheating
<
0°C~35°C,ꢀ ꢀ70%RH
190
160
0
2 to 5
20-30
180 to 210
Time(s)
ꢅ00R Series
58
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
Devicesꢀareꢀnotꢀdesignedꢀtoꢀbeꢀwaveꢀsolderedꢀtoꢀtheꢀ
bottomꢀsideꢀofꢀtheꢀboard.
Devicesꢀcanꢀbeꢀcleanedꢀusingꢀstandardꢀindustryꢀmethodsꢀ
andꢀsolvents.
Note:ꢀ
Ifꢀreflowꢀtemperaturesꢀexceedꢀtheꢀrecommendedꢀ
profile,ꢀdevicesꢀmayꢀnotꢀmeetꢀtheꢀperformanceꢀ
requirements.
•ꢀ
•ꢀ
•ꢀ
Recommendedꢀreflowꢀmethods:ꢀIR,ꢀvaporꢀphaseꢀoven,ꢀhotꢀ
airꢀoven,ꢀN2ꢀenvironmentꢀforꢀlead-free.
POLYFUSE® Resettable PTCs
Radial Leaded
Soldering Parameters - Solder Reflow
Condition
Reflow
>
Peak Temp/ Duration Time
260°Cꢀ ꢀ5ꢀSec
30ꢀSecꢀ~ꢀ60ꢀSec
60ꢀSecꢀ~ꢀ90ꢀSec
Soldering
Cooling
260
220
>
ꢀ220°C
Preheat 160°C~ 190°C
Storage Condition
Preheating
<
0°C~35°C,ꢀ ꢀ70%RH
190
160
0
30 to 60
120
60 to 90
Time(s)
Physical Specifications
Environmental Specifications
Operating/Storage
Lead Material
Tin-platedꢀcopper
-40°Cꢀtoꢀ+85°C
Temperature
Soldering
Characteristics
SolderabilityꢀperꢀMIL-STD-202,ꢀ
Methodꢀ208E
Maximum Device Surface
Temperature in Tripped State
125°C
Cured,ꢀflameꢀretardantꢀepoxyꢀpolymerꢀ
meetsꢀUL94V-0ꢀrequirements.ꢀ
Insulating Material
Device Labeling
85°C/85°C,ꢀ1000ꢀhours
+85°C,ꢀ85%R.H.ꢀ1000ꢀhours
Passive Aging
MarkedꢀwithꢀLF,ꢀvoltage,ꢀcurrentꢀrating,ꢀ
andꢀdateꢀcode.
Humidity Aging
MIL-STD-202FꢀMethodꢀ107Gꢀ
+125°Cꢀtoꢀ-55°Cꢀ10ꢀtimes
Thermal Shock
Solvent Resistance
MIL-STD-202,ꢀMethodꢀ215F
www.littelfuse.com
©2006 Littelfuse
5ꢁ
Electronics Designers Guide
ꢅ00R Series
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Dimensions
A
C
Marking
B
D
F
E
Figure ꢃ
A
B
C
D
E
Physical Characteristics
Lead (dia)
Typ. Inches mm
Part Number Inches mm Inches mm Inches mm Inches mm Inches mm
Material Figure
Max.
0.53
0.53
0.53
0.63
0.63
0.63
Max.
13.5
13.5
13.5
16
Max.
0.50
0.50
0.50
0.50
0.50
0.50
Max.
12.6
12.6
12.6
12.6
12.6
12.6
Max.
0.24
0.24
0.24
0.24
0.24
0.24
Max.
Min.
0.19
0.19
0.19
0.19
0.19
0.19
Min.
4.7
4.7
4.7
4.7
4.7
4.7
Typ.
0.20
0.20
0.20
0.20
0.20
0.20
600R150
6
6
6
6
6
6
5.1
5.1
5.1
5.1
5.1
5.1
0.026
0.026
0.026
0.026
0.026
0.026
0.65
0.65
0.65
0.65
0.65
0.65
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
1
1
1
1
1
1
600R150-RA
600R150-RB
600R160
600R160-RA
600R160-R1
16
16
Part Marking System
Littelfuse
Trademark
Voltage Rating
Current Rating
Date Code
600
150
XXXX
(Contact Littelfuse
for additional
information)
Part Numbering System
600 R 160 - RA F
PACKAGING STYLE
BLANK: Bulk
R: Tape & Ammo
QUANTITY CODE: F=200 U=500
SERIES
Rx: Resistance Range (x = A-Z or 1-9) [not applicable for all parts]
T: PRE-TRIPPED DEVICE (OPTIONAL)
I
HOLD CURRENT CODE (SEE TABLE BELOW)
R: RADIAL
PEAK VOLTAGE RATING
Packaging
I hold
(A)
I hold
Code
Packaging
Option
Quantity &
Packaging Codes
Quantity
Bulk
200
600
200
500
F
ZR
F
0.15
0.16
150
160
TapeꢀandꢀAmmo
Bulk
TapeꢀandꢀAmmo
UR
ꢅ00R Series
ꢅ0
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
•ꢀ
USBꢀhubs,ꢀportsꢀꢀ
•ꢀMotorꢀprotection
POLYFUSE® Resettable PTCs
Radial Leaded
30R Series
Description
•ꢀTheꢀ30Rꢀseriesꢀradialꢀleadedꢀdeviceꢀisꢀdesignedꢀtoꢀꢀ
provideꢀovercurrentꢀprotectionꢀforꢀlowꢀvoltageꢀ(≤30V)ꢀ
applicationsꢀwhereꢀspaceꢀisꢀnotꢀaꢀconcernꢀandꢀresettableꢀ
protectionꢀisꢀpreferred.
Features
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-freeꢀ
•ꢀ
Cured,ꢀflameꢀretardantꢀ
epoxyꢀpolymerꢀinsulatingꢀ
materialꢀmeetsꢀULꢀ94V-0ꢀ
requirements
•ꢀFastꢀtime-to-trip
Agency Approvals
Applications
AGENCY
AGENCY FILE NUMBER
E183209
andꢀperipherals
•ꢀComputersꢀ&ꢀperipherals
•ꢀGeneralꢀelectronics
•ꢀAutomotiveꢀapplications
R50082521
Electrical Characteristics
Maximum Time
Agency
Resistance
P
To Trip
Approvals
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
madx.
(W)
R min
R 1max
Current
Time
(Sec.)
(A)
(Ω)
(Ω)
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
1.80
2.20
30
30
30
30
30
30
30
30
30
30
30
30
30
40
40
40
40
40
40
40
40
40
40
40
40
40
0.6
0.7
0.8
0.9
1.0
1.2
2.0
2.5
3.0
3.5
3.8
4.0
4.2
4.50
5.90
6.60
0.070
0.050
0.040
0.030
0.030
0.020
0.020
0.010
0.010
0.005
0.005
0.005
0.005
0.220
0.170
0.130
0.110
0.090
0.070
0.080
0.050
0.050
0.040
0.030
0.020
0.020
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
5.50
2.70
6.75
7.30
3.20
8.00
8.00
3.70
9.25
8.70
5.00
12.50
15.00
20.00
25.00
30.00
35.00
40.00
40.00
10.30
10.80
12.70
14.50
16.00
17.50
18.80
20.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ23°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ23°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Imax)ꢀ
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ23°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Rꢀ1maxꢀ=ꢀMaximumꢀresistanceꢀofꢀdeviceꢀatꢀ23°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtripping.
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
)
www.littelfuse.com
ꢅꢃ
Electronics Designers Guide
ꢄ0R Series
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
Hold Current (A)
0.75
50°C
60°C
70°C
85°C
Part Number
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
1.31
1.60
1.96
2.32
2.68
3.63
4.35
5.80
7.25
8.70
10.15
11.60
13.05
1.17
1.43
1.76
2.08
2.41
3.25
3.90
5.20
6.50
7.80
9.10
10.40
11.70
1.04
1.27
1.55
1.84
2.13
2.88
3.45
4.60
5.75
6.90
8.05
9.20
10.35
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
0.69
0.85
1.04
1.23
1.42
1.93
2.31
3.08
3.85
4.62
5.39
6.16
6.93
0.61
0.75
0.92
1.09
1.26
1.70
2.04
2.72
3.40
4.08
4.76
5.44
6.12
0.55
0.67
0.82
0.98
1.13
1.53
1.83
2.44
3.05
3.66
4.27
4.88
5.49
0.47
0.57
0.70
0.83
0.96
1.30
1.56
2.08
2.60
3.12
3.64
4.16
4.68
0.91
1.12
1.33
1.54
2.08
2.49
3.32
4.15
4.98
5.81
6.64
7.47
Average Time Current Curves
Temperature Rerating Curve
170%
150%
130%
100000
10000
1000
100
110%
90%
70%
50%
30%
10%
10
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
1
0.100
0.010
0.001
0.20
1
10
100
1000
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.16
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
ꢄ0R Series
ꢅꢂ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Radial Leaded
Soldering Parameters - Wave Soldering
Referꢀtoꢀtheꢀconditionꢀ
recommendedꢀbyꢀtheꢀ
fluxꢀmanufacturer.
Soldering
Cooling
260
220
Pre-Heating Zone
Max.ꢀrampingꢀrateꢀ
shouldꢀnotꢀexceedꢀ
4°C/Sec.
Preheating
190
160
Max.ꢀsolderꢀtemperatureꢀ
shouldꢀnotꢀexceedꢀ
260°C
Soldering Zone
Cooling Zone
Coolingꢀbyꢀnaturalꢀ
convectionꢀinꢀair.
0
5 max.
60 min.
Physical Specifications
Environmental Specifications
Operating/Storage
-40°Cꢀtoꢀ+85°C
0.90-2.50A:ꢀTin-platedꢀcopperꢀcladꢀsteel
3.00-9.00A:ꢀTin-platedꢀcopper
Temperature
Lead Material
Maximum Device Surface
Temperature in Tripped State
125°C
Soldering
Characteristics
SolderabilityꢀperꢀMIL-STD-202,ꢀ
Methodꢀ208E
+85°C,ꢀ1000ꢀhoursꢀ
5%ꢀtypicalꢀresistanceꢀchange
Passive Aging
Cured,ꢀflameꢀretardantꢀepoxyꢀpolymerꢀ
meetsꢀUL94V-0ꢀrequirements.
Insulating Material
Device Labeling
+85°C,ꢀ85%R.H.ꢀ1000ꢀhoursꢀ
5%ꢀtypicalꢀresistanceꢀchange
Humidity Aging
MarkedꢀwithꢀLF,ꢀvoltage,ꢀcurrentꢀrating,ꢀ
andꢀdateꢀcode.
+85°Cꢀtoꢀ-40°Cꢀ10ꢀtimesꢀ
5%ꢀtypicalꢀresistanceꢀchange
Thermal Shock
MIL-STD-202,ꢀMethodꢀ215Fꢀ
Noꢀchange
Solvent Resistance
www.littelfuse.com
©2006 Littelfuse
ꢅꢄ
Electronics Designers Guide
ꢄ0R Series
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Dimensions
E
A
MARKING
B
D
C
A
B
C
D
E
Physical Characteristics
Part Number
Inches mm Inches mm Inches mm Inches mm Inches mm
Lead (dia)
Material
Max.
Max.
Max.
Max.
Typ.
Typ.
Min.
Min.
Max.
Max. Inches mm
30R090
30R110
30R135
30R160
30R185
30R250
30R300
30R400
30R500
30R600
30R700
30R800
30R900
0.29
7.40
0.48
12.20
0.20
5.10
0.30
7.60
0.12
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.03
0.03
0.03
0.03
0.03
0.03
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.81
0.81
0.81
0.81
0.81
0.81
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/Cu
0.29
0.35
0.35
0.40
0.45
0.45
0.55
0.55
0.65
0.75
0.85
0.95
7.40
8.90
0.56
0.53
0.60
0.62
0.72
0.76
0.87
1.01
1.06
1.13
1.22
1.24
14.20
13.50
15.20
15.70
18.30
19.20
22.00
25.60
26.80
28.60
31.10
31.60
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.40
0.40
0.40
0.40
0.40
5.10
5.10
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
7.60
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
8.90
5.10
10.20
11.40
11.40
14.00
14.00
16.50
19.10
21.60
24.10
5.10
5.10
5.10
5.10
Sn/Cu
10.20
10.20
10.20
10.20
10.20
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Part Marking System
Littelfuse
Trademark
Voltage Rating
Current Rating
Date Code
30
110U
XXXX
(Contact Littelfuse
for additional
information)
ꢄ0R Series
ꢅꢀ
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Part Numbering System
30 R 250 U P R
PACKAGING STYLE
BLANK: Bulk
R: Tape & Ammo
SERIES
QUANTITY CODE: F=200 H=100 M=1000 P=2000 U=500
TYPE: U (30VDC)
I HOLD CURRENT CODE (SEE TABLE BELOW)
R: RADIAL
VOLTAGE RATING (VDC)
Packaging
I hold
(A)
I hold
Code
Packaging
Option
Quantity &
Packaging Codes
Quantity
U
PR
U
Bulk
TapeꢀandꢀAmmo
Bulk
500
2000
500
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
090
110
135
160
185
250
300
400
500
600
700
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
F
TapeꢀandꢀAmmo
Bulk
2000
200
MR
F
TapeꢀandꢀAmmo
Bulk
1000
200
MR
F
TapeꢀandꢀAmmo
Bulk
1000
200
MR
F
TapeꢀandꢀAmmo
Bulk
1000
200
MR
H
TapeꢀandꢀAmmo
Bulk
1000
100
8.00
9.00
800
900
H
Bulk
100
www.littelfuse.com
©2006 Littelfuse
ꢅ5
Electronics Designers Guide
ꢄ0R Series
Specifications are subject to change without notice.
•ꢀ
USBꢀhubs,ꢀportsꢀꢀ
•ꢀGeneralꢀelectronicsꢀ
•ꢀAutomotiveꢀapplicationsꢀ
•ꢀIndustrialꢀcontrolsꢀ
•ꢀTransformers
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Radial Leaded
60R Series
Description
•ꢀTheꢀ60Rꢀseriesꢀradialꢀleadedꢀdeviceꢀisꢀdesignedꢀtoꢀ
provideꢀovercurrentꢀprotectionꢀforꢀ(≤60V)ꢀapplicationsꢀ
whereꢀspaceꢀisꢀnotꢀaꢀconcernꢀandꢀresettableꢀprotectionꢀꢀ
isꢀpreferred.
Features
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-free
•ꢀ
Cured,ꢀflameꢀretardantꢀ
epoxyꢀpolymerꢀinsulatingꢀ
materialꢀmeetsꢀULꢀ94V-0ꢀ
requirements
•ꢀFastꢀtime-to-tripꢀ
Agency Approvals
Applications
AGENCY
AGENCY FILE NUMBER
E183209
andꢀperipherals
•ꢀIEEE1394ꢀportsꢀ
•ꢀComputersꢀ&ꢀperipheralsꢀ
•ꢀMotorꢀprotectionꢀ
R50082521
Electrical Characteristics
Maximum Time
Agency
Resistance
P
To Trip
Approvals
madx.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
Part Number
R min
R 1max
Current
Time
(Sec.)
(A)
0.50
1.00
1.25
1.50
2.00
2.50
3.25
3.75
4.50
5.50
6.75
8.00
9.25
12.50
15.00
18.75
(Ω)
(Ω)
60R010
60R020
60R025
60R030
60R040
60R050
60R065
60R075
60R090
60R110
60R135
60R160
60R185
60R250
60R300
60R375
0.10
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
3.00
3.75
0.20
0.40
0.50
0.60
0.80
1.00
1.30
1.50
1.80
2.20
2.70
3.20
3.70
5.00
6.00
7.50
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
0.38
0.41
0.45
0.49
0.56
0.77
0.88
0.92
0.99
1.50
1.70
1.90
2.10
2.50
2.80
3.20
4.00
2.20
2.50
3.00
3.80
4.00
5.30
6.30
7.20
8.20
9.60
11.40
12.60
15.60
19.80
24.00
2.500
1.830
1.250
0.880
0.550
0.500
0.310
0.250
0.200
0.150
0.120
0.090
0.080
0.050
0.040
0.030
7.500
4.400
3.000
2.100
1.290
1.170
0.720
0.600
0.470
0.380
0.300
0.220
0.190
0.130
0.100
0.080
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
)
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
ꢅ0R Series
ꢅꢅ
Electronics Designers Guide
www.littelfuse.com
Specifications are subject to change without notice.
©2006 Littelfuse
POLYFUSE® Resettable PTCs
Radial Leaded
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
Hold Current (A)
0.08
50°C
60°C
70°C
85°C
Part Number
60R010
60R020
60R025
60R030
60R040
60R050
60R065
60R075
60R090
60R110
60R135
60R160
60R185
60R250
60R300
60R375
0.16
0.31
0.39
0.47
0.62
0.78
1.01
1.16
1.40
1.71
2.09
2.48
2.87
3.88
4.65
5.81
0.14
0.27
0.34
0.41
0.54
0.68
0.88
1.02
1.22
1.50
1.84
2.18
2.52
3.40
4.08
5.10
0.12
0.24
0.30
0.36
0.48
0.60
0.77
0.89
1.07
1.31
1.61
1.90
2.20
2.98
3.57
4.46
0.10
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
3.00
3.75
0.07
0.14
0.18
0.22
0.29
0.36
0.47
0.54
0.65
0.79
0.97
1.15
1.33
1.80
2.16
2.70
0.06
0.13
0.16
0.19
0.25
0.32
0.41
0.47
0.57
0.69
0.85
1.01
1.17
1.58
1.89
2.36
0.05
0.11
0.14
0.16
0.22
0.27
0.35
0.41
0.49
0.59
0.73
0.86
1.00
1.35
1.62
2.03
0.04
0.08
0.10
0.12
0.16
0.20
0.26
0.30
0.36
0.44
0.54
0.64
0.74
1.00
1.20
1.50
0.16
0.20
0.24
0.32
0.41
0.53
0.61
0.73
0.89
1.09
1.30
1.50
2.03
2.43
3.04
Average Time Current Curves
Temperature Rerating Curve
170%
150%
130%
100000
10000
1000
100
110%
90%
70%
50%
30%
10%
10
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80
Temperature (°C)
1
0.100
0.010
0.001
0.20
1
10
100
1000
CURRENT IN AMPERES
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.16
www.littelfuse.com
©2006 Littelfuse
ꢅꢆ
ꢅ0R Series
Electronics Designers Guide
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Soldering Parameters - Wave Soldering
Referꢀtoꢀtheꢀconditionꢀ
recommendedꢀbyꢀtheꢀ
fluxꢀmanufacturer.
Soldering
Cooling
260
220
Pre-Heating Zone
Max.ꢀrampingꢀrateꢀ
shouldꢀnotꢀexceedꢀ
4°C/Sec.
Preheating
190
160
Max.ꢀsolderꢀtemperatureꢀ
shouldꢀnotꢀexceedꢀ
260°C
Soldering Zone
Cooling Zone
Coolingꢀbyꢀnaturalꢀ
convectionꢀinꢀair.
0
5 max.
60 min.
Physical Specifications
Environmental Specifications
Operating/Storage
.20-.40A:ꢀTin-platedꢀcopperꢀcladꢀsteelꢀ
.50-3.75A:ꢀTin-platedꢀcopper
Lead Material
-40°Cꢀtoꢀ+85°C
Temperature
Soldering
Characteristics
SolderabilityꢀperꢀMIL-STD-202,ꢀꢀ
Methodꢀ208E
Maximum Device Surface
Temperature in Tripped State
125°C
Cured,ꢀflameꢀretardantꢀepoxyꢀpolymerꢀ
meetsꢀUL94V-0ꢀrequirements.
+85°C,ꢀ1000ꢀhoursꢀ
5%ꢀtypicalꢀresistanceꢀchange
Insulating Material
Device Labeling
Passive Aging
MarkedꢀwithꢀLF,ꢀvoltage,ꢀcurrentꢀrating,ꢀ
andꢀdateꢀcode.
+85°C,ꢀ85%R.H.ꢀ1000ꢀhoursꢀ
5%ꢀtypicalꢀresistanceꢀchange
Humidity Aging
+85°Cꢀtoꢀ-40°Cꢀ10ꢀtimesꢀ
5%ꢀtypicalꢀresistanceꢀchange
Thermal Shock
Solvent Resistance
MIL-STD-202,ꢀMethodꢀ215F
ꢅ0R Series
ꢅ8
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Dimensions
E
A
MARKING
B
D
C
A
B
C
D
E
Physical Characteristics
Part Number
Inches mm Inches mm Inches mm Inches mm Inches mm
Lead (dia)
Material
Max.
Max.
Max.
Max.
Typ.
Typ.
Min.
Min.
Max.
Max. Inches mm
60R010
60R020
60R025
60R030
60R040
60R050
60R065
60R075
60R090
60R110
60R135
60R160
60R185
60R250
60R300
60R375
0.29
0.29
0.29
0.29
0.30
0.31
0.37
0.40
0.44
0.51
0.53
0.60
0.66
0.78
0.91
1.04
7.4
7.4
0.50
0.46
0.50
0.50
0.53
0.54
0.57
0.59
0.62
0.72
0.78
0.85
0.91
1.03
1.15
1.22
12.7
11.7
12.7
12.7
13.5
13.7
14.5
15
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.40
0.40
0.40
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
10.2
10.2
10.2
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.03
0.03
0.03
0.03
0.03
0.03
0.03
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.81
0.81
0.81
0.81
0.81
0.81
0.81
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/Cu
7.4
7.4
7.6
7.9
9.4
Sn/Cu
10.2
11.2
13
Sn/Cu
15.8
18.2
19.8
21.6
23
Sn/Cu
Sn/Cu
13.58
15.36
16.76
19.93
23.11
26.3
Sn/Cu
Sn/Cu
Sn/Cu
26.2
29.3
31.1
Sn/Cu
Sn/Cu
Sn/Cu
Part Marking System
Double Sided Marking
0.20A to 0.40A
Single Sided Marking
0.50A to 3.75A
Top Side
Bottom Side
Voltage Rating
Voltage Rating
Current Rating
Voltage Rating
Current Rating
Littelfuse
Trademark
Littelfuse
Trademark
Littelfuse
Trademark
60
60
050X
XXXX
60
XXXX
025X
Date Code
(Contact Littelfuse
for additional
information)
Date Code
(Contact Littelfuse
for additional
information)
www.littelfuse.com
©2006 Littelfuse
ꢅꢁ
ꢅ0R Series
Electronics Designers Guide
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Part Numbering System
60 R 250 X M R
PACKAGING STYLE
BLANK: Bulk
R: Tape & Ammo
SERIES
QUANTITY CODE: F=200 H=100 M=1000 P=2000 U=500
TYPE: X (60VDC)
I HOLD CURRENT CODE (SEE TABLE BELOW)
R: RADIAL
VOLTAGE RATING (VDC)
Packaging
I hold
(A)
Packagingꢀ
Option
Quantityꢀ&ꢀ
PackagingꢀCodes
I
holdꢀCode
010
Quantity
Bulk
TapeꢀandꢀAmmo
Bulk
500
2000
500
U
PR
U
0.10
0.20
0.30
0.40
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
020
030
040
050
065
075
090
110
135
160
185
250
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
1000
200
MR
F
TapeꢀandꢀAmmo
Bulk
1000
200
MR
F
TapeꢀandꢀAmmo
Bulk
1000
200
MR
F
TapeꢀandꢀAmmo
Bulk
1000
200
MR
F
TapeꢀandꢀAmmo
Bulk
1000
200
MR
F
3.00
3.75
300
375
Bulk
100
H
ꢅ0R Series
ꢆ0
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
•ꢀ
MeetsꢀallꢀUSBꢀprotectionꢀ
requirements
Rꢀ1maxꢀ=ꢀ
Maximumꢀresistanceꢀofꢀdeviceꢀatꢀ20°Cꢀmeasuredꢀoneꢀhourꢀafterꢀtrippingꢀorꢀreflowꢀ
solderingꢀofꢀ260°Cꢀforꢀ20ꢀsec.
POLYFUSE® Resettable PTCs
Radial Leaded
USBR Series
Description
•ꢀTheꢀUSBRꢀseriesꢀradialꢀleadedꢀdeviceꢀisꢀdesignedꢀtoꢀ
provideꢀovercurrentꢀprotectionꢀforꢀUSBꢀapplicationsꢀ
whereꢀspaceꢀisꢀnotꢀaꢀconcern.
Features
•ꢀ
RoHSꢀcompliantꢀandꢀꢀꢀ
lead-free
•ꢀ40Aꢀshortꢀcircuitꢀrating
•ꢀ
Operatingꢀvoltagesꢀofꢀ
6-16V
•ꢀFastꢀtime-to-tripꢀ
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
Applications
•ꢀComputersꢀ&ꢀperipherals
•ꢀAnyꢀUSBꢀapplication
R50082521
Electrical Characteristics
Maximum Time
To Trip
Agency
Approvals
Resistance
P
Part Number
madx.
(W)
I hold
(A)
I trip
(A)
V max
(Vdc)
I max
(A)
R min
R 1max
Current
(A)
Time
(Sec.)
(Ω)
(Ω)
06R075B
06R120B
06R155B
16R090B
16R110B
16R135B
16R160B
16R185B
16R250B
0.75
1.20
1.55
0.90
1.10
1.35
1.60
1.85
2.50
1.30
2.00
2.70
1.80
2.20
2.70
3.20
3.70
5.00
6
40
40
40
40
40
40
40
40
40
0.3
0.6
0.6
0.6
0.7
0.8
0.9
1.0
1.2
8.00
8.00
7.75
8.00
8.00
8.00
8.00
8.00
8.00
0.4
0.5
0.100
0.065
0.040
0.070
0.050
0.040
0.030
0.030
0.020
0.230
0.140
0.100
0.180
0.140
0.120
0.110
0.090
0.060
X
X
X
X
X
X
X
X
X
X
6
X
X
X
X
X
X
X
X
6
2.2
16
16
16
16
16
16
1.2
2.3
4.5
9.0
10.0
40.0
Iꢀholdꢀ=ꢀHoldꢀcurrent:ꢀmaximumꢀcurrentꢀdeviceꢀwillꢀpassꢀwithoutꢀtrippingꢀinꢀ20°Cꢀstillꢀair.ꢀ
Iꢀtripꢀ=ꢀTripꢀcurrent:ꢀminimumꢀcurrentꢀatꢀwhichꢀtheꢀdeviceꢀwillꢀtripꢀinꢀ20°Cꢀstillꢀair.
Vꢀmaxꢀ=ꢀMaximumꢀvoltageꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀcurrentꢀ(Iꢀmax)ꢀ
Iꢀmaxꢀ=ꢀMaximumꢀfaultꢀcurrentꢀdeviceꢀcanꢀwithstandꢀwithoutꢀdamageꢀatꢀratedꢀvoltageꢀ(Vmax
Pdꢀ=ꢀPowerꢀdissipatedꢀfromꢀdeviceꢀwhenꢀinꢀtheꢀtrippedꢀstateꢀatꢀ20°Cꢀstillꢀair.
Rꢀminꢀ=ꢀMinimumꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
Rꢀtypꢀ=ꢀTypicalꢀresistanceꢀofꢀdeviceꢀinꢀinitialꢀ(un-soldered)ꢀstate.
)
Caution:ꢀOperationꢀbeyondꢀtheꢀspecifiedꢀratingꢀmayꢀresultꢀinꢀdamageꢀandꢀpossibleꢀarcingꢀ
andꢀflame.
www.littelfuse.com
ꢆꢃ
Electronics Designers Guide
USBR Series
©2006 Littelfuse
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Temperature Rerating
Ambient Operation Temperature
-40°C
-20°C
0°C
23°C
40°C
Hold Current (A)
0.65
50°C
60°C
70°C
85°C
Part Number
06R075B
06R120B
06R155B
16R090B
16R110B
16R135B
16R160B
16R185B
16R250B
1.05
1.69
2.17
1.31
1.60
1.96
2.32
2.68
3.63
0.95
1.52
1.96
1.17
1.43
1.76
2.08
2.41
3.25
0.85
1.36
1.75
1.04
1.27
1.55
1.84
2.13
2.88
0.75
1.20
1.55
0.90
1.10
1.35
1.60
1.85
2.50
0.60
0.96
1.24
0.69
0.92
1.04
1.23
1.42
1.93
0.55
0.88
1.13
0.61
0.75
0.92
1.09
1.26
1.70
0.50
0.80
1.03
0.55
0.67
0.82
0.98
1.13
1.53
0.43
0.68
0.88
0.47
0.57
0.70
0.83
0.96
1.30
1.04
1.34
0.75
1.00
1.12
1.33
1.54
2.08
Average Time Current Curves
Temperature Rerating Curve
170%
B
100000
10000
1000
100
150%
A
130%
110%
90%
70%
A
B
50%
30%
10%
-40 -30 -20 -10
0
10
20 30
40 50 60 70 80 85
10
Temperature (°C)
A:ꢀ
06R075B,ꢀ06R120B,ꢀ
B:ꢀ
16R090B,ꢀ16R110B,ꢀ
1
06R155B
16R135B,ꢀ16R160B,ꢀ
16R185B,ꢀ16R250B,
0.100
0.010
0.001
0.20
1
10
100
1000
CURRENT IN AMPERES
Specifications are subject to change without notice.
Note: 1.00 means the number one with two decimal places.
AKL V3.9 06.05.16
Theꢀaverageꢀtimeꢀcurrentꢀcurvesꢀandꢀtemperatureꢀreratingꢀcurveꢀperformanceꢀisꢀaffectedꢀ
byꢀaꢀnumberꢀorꢀvariables,ꢀandꢀtheseꢀcurvesꢀprovidedꢀasꢀguidanceꢀonly.ꢀCustomerꢀmustꢀ
verifyꢀtheꢀperformanceꢀinꢀtheirꢀapplication.ꢀ
USBR Series
ꢆꢂ
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Radial Leaded
Soldering Parameters - Wave Soldering
Referꢀtoꢀtheꢀconditionꢀ
recommendedꢀbyꢀtheꢀ
fluxꢀmanufacturer.
Soldering
Cooling
260
220
Pre-Heating Zone
Max.ꢀrampingꢀrateꢀ
shouldꢀnotꢀexceedꢀ
4°C/Sec.
Preheating
190
160
Max.ꢀsolderꢀtemperatureꢀ
shouldꢀnotꢀexceedꢀ
260°C
Soldering Zone
Cooling Zone
Coolingꢀbyꢀnaturalꢀ
convectionꢀinꢀair.
0
5 max.
60 min.
Physical Specifications
Environmental Specifications
Operating/Storage
.90-2.50A:ꢀTin-platedꢀcopperꢀcladꢀsteel
.75A:ꢀTin-platedꢀcopper
Lead Material
-40°Cꢀtoꢀ+85°C
Temperature
Soldering
Characteristics
SolderabilityꢀperꢀMIL-STD-202,ꢀ
Methodꢀ208E
Maximum Device Surface
Temperature in Tripped State
125°C
Cured,ꢀflameꢀretardantꢀepoxyꢀpolymerꢀ
meetsꢀUL94V-0ꢀrequirements.
+85°C,ꢀ1000ꢀhoursꢀ
5%ꢀtypicalꢀresistanceꢀchange
Insulating Material
Device Labeling
Passive Aging
MarkedꢀwithꢀLF,ꢀvoltage,ꢀcurrentꢀrating,ꢀ
andꢀdateꢀcode.
+85°C,ꢀ85%R.H.ꢀ1000ꢀhoursꢀ
5%ꢀtypicalꢀresistanceꢀchange
Humidity Aging
+85°Cꢀtoꢀ-40°Cꢀ10ꢀtimesꢀ
5%ꢀtypicalꢀresistanceꢀchange
Thermal Shock
Solvent Resistance
MIL-STD-202,ꢀMethodꢀ215F
www.littelfuse.com
©2006 Littelfuse
ꢆꢄ
Electronics Designers Guide
USBR Series
Specifications are subject to change without notice.
POLYFUSE® Resettable PTCs
Radial Leaded
Dimensions (mm)
A
E
E
A
MARKING
MARKING
B
D
B
D
C
C
Figure 1
Figure 2
A
B
C
D
E
Physical Characteristics
Part
Number
Inches mm Inches mm Inches mm Inches mm Inches mm
Lead (dia)
Material
Figure
Max.
0.27
0.27
0.27
0.29
0.29
0.35
0.35
0.40
0.45
Max.
6.9
Max.
0.45
0.46
0.46
0.48
0.56
0.53
0.60
0.62
0.72
Max.
11.4
11.7
11.7
12.2
14.2
13.5
15.2
15.7
18.3
Typ.
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
Typ.
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
Min.
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
Min.
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
Max.
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
Max. Inches mm
06R075B
06R120B
06R155B
16R090B
16R110B
16R135B
16R160B
16R185B
16R250B
3
3
3
3
3
3
3
3
3
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
0.51
Sn/Cu
1
1
1
2
2
2
2
2
2
6.9
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
6.9
7.4
7.4
8.9
8.9
10.2
11.4
Part Marking System
Double Sided Marking
0.75A to 1.55A
Top Side
Bottom Side
Littelfuse
Trademark
Littelfuse
Trademark
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
Voltage Rating
Current Rating
06
06
XXXX
075B
Single Sided Marking
1.35A to 2.50A
Double Sided Marking
0.90A to 1.10A
Top Side
Bottom Side
Littelfuse
Trademark
Voltage Rating
Current Rating
Date Code
(Contact Littelfuse
for additional
information)
Littelfuse
Trademark
Littelfuse
Trademark
16
135B
XXXX
Voltage Rating
Current Rating
Voltage Rating
Date Code
(Contact Littelfuse
for additional
information)
16
16
110U
XXXX
USBR Series
74
www.littelfuse.com
©2006 Littelfuse
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE® Resettable PTCs
Radial Leaded
Part Numbering System
16 R 090 B P R
PACKAGING STYLE
BLANK: Bulk
R: Tape & Ammo
SERIES
QUANTITY CODE: P=2000 U=500
TYPE: B=USB
I HOLD CURRENT CODE (SEE TABLE BELOW)
R: RADIAL
VOLTAGE RATING (VDC)
Packaging
I hold
(A)
I hold
Code
Packaging
Option
Quantity &
Packaging Codes
Voltage
Quantity
Bulk
TapeꢀandꢀAmmo
Bulk
500
2000
500
U
PR
U
0.75
1.20
1.55
0.90
1.10
1.35
1.60
1.85
2.50
075
120
155
080
110
135
160
185
250
6
6
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
6
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
16
16
16
16
16
16
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
Bulk
2000
500
PR
U
TapeꢀandꢀAmmo
2000
PR
www.littelfuse.com
©2006 Littelfuse
ꢆ5
USBR Series
Electronics Designers Guide
Specifications are subject to change without notice.
相关型号：
1206L020YRHF
RESISTOR, TEMPERATURE DEPENDENT, PTC RESETTABLE FUSE, SURFACE MOUNT, CHIP, 1206, HALOGEN FREE AND ROHS COMPLIANT
LITTELFUSE
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