MF-RX [BOURNS]
PTC Resettable Fuses; PTC自恢复保险丝
| 型号： | MF-RX |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | PTC Resettable Fuses |
| 文件： | 总4页 (文件大小：276K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
The MF-RX Series is currently
available, although not recommended
for new designs. The higher voltage
rated MF-RX/72 Series is preferred.
Features
■ Radial Leaded Devices
■ Cured, flame retardant epoxy polymer
insulating material meets
UL 94V-0 requirements
R
0180T
X
110
T
V Rheinland
■ Agency recognition:
■ RoHS compliant*
MF-RX Series - PTC Resettable Fuses
Electrical Characteristics
1 Hour (R )
Post-Trip
Resistance
Tripped
Power
Dissipation
1
Initial
Resistance
Max. Time
To Trip
I
I
trip
hold
V max.
Model
I max.
Amps
Amperes
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Amperes Seconds
at 23 °C at 23 °C
Watts
at 23 °C
Volts
Hold
Trip
2.20
2.70
3.20
3.70
5.00
6.00
7.50
Min.
Max.
0.25
0.19
0.14
0.12
0.08
0.06
0.05
Max.
0.38
0.30
0.22
0.19
0.13
0.10
0.08
Typ.
1.50
1.70
1.90
2.10
2.50
2.80
3.20
MF-RX110
MF-RX135
MF-RX160
MF-RX185
MF-RX250
MF-RX300
MF-RX375
60
60
60
60
60
60
60
40
40
40
40
40
40
40
1.10
1.35
1.60
1.85
2.50
3.00
3.75
0.15
0.12
0.09
0.08
0.05
0.04
0.03
5.5
6.75
8.0
9.25
12.5
8.2
9.6
11.4
12.6
15.6
19.8
24.0
15.0
18.75
Environmental Characteristics
Operating/Storage Temperature ........................-40 °C to +85 °C
Maximum Device Surface Temperature
in Tripped State ................................................125 °C
Passive Aging......................................................+85 °C, 1000 hours .................................... 5 ꢀ typical resistance change
Humidity Aging....................................................+85 °C, 85 ꢀ R.H. 1000 hours.................... 5 ꢀ typical resistance change
Thermal Shock....................................................-40 °C to +85 °C,10 times .......................... 10 ꢀ typical resistance change
Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change
Vibration..............................................................MIL-STD-883C, Method 2007.1, ................No change
Condition A
Test Procedures And Requirements For Model MF-RX Series
Test
Test Conditions
Accept/Reject Criteria
Visual/Mech. ......................................................Verify dimensions and materials..................Per MF physical description
Resistance ..........................................................In still air @ 23 °C ........................................Rmin ≤ R ≤ Rmax
Time to Trip ........................................................5 times Ihold, Vmax, 23 °C..........................T ≤ max. time to trip (seconds)
Hold Current ......................................................30 min. at Ihold............................................No trip
Trip Cycle Life ....................................................Vmax, Imax, 100 cycles ..............................No arcing or burning
Trip Endurance....................................................Vmax, 48 hours ..........................................No arcing or burning
UL File Number ..................................................E 174545S
CSA File Number ................................................CA 110338
TÜV File Number ................................................R2057213
Thermal Derating Chart - I
I
(Amps)
hold / trip
Ambient Operating Temperature
23 °C 40 °C 50 °C
Model
-40 °C
-20 °C
0 °C
60 °C
70 °C
85 °C
MF-RX110
MF-RX135
MF-RX160
MF-RX185
MF-RX250
MF-RX300
MF-RX375
1.71 / 3.42 1.50 / 3.00 1.31 / 2.62 1.10 / 2.20 0.89 / 1.78 0.79 / 1.58 0.69 / 1.38 0.59 / 1.18 0.44 / 0.88
2.09 / 4.18 1.84 / 3.68 1.61 / 3.22 1.35 / 2.70 1.09 / 2.18 0.97 / 1.94 0.85 / 1.70 0.73 / 1.46 0.54 / 1.08
2.48 / 4.96 2.18 / 4.36 1.90 / 3.80 1.60 / 3.20 1.30 / 2.60 1.15 / 2.30 1.01 / 2.02 0.86 / 1.72 0.64 / 1.28
2.87 / 5.74 2.52 / 5.04 2.20 / 4.40 1.85 / 3.70 1.50 / 3.00 1.33 / 2.66 1.17 / 2.34 1.00 / 2.00 0.74 / 1.48
3.88 / 7.76 3.40 / 6.80 2.98 / 5.96 2.50 / 5.00 2.03 / 4.06 1.80 / 3.60 1.58 / 3.16 1.35 / 2.70 1.00 / 2.00
4.65 / 9.30 4.08 / 8.16 3.57 / 7.14 3.00 / 6.00 2.43 / 4.86 2.16 / 4.32 1.89 / 3.78 1.62 / 3.24 1.20 / 2.40
5.81 / 11.6 5.10 / 10.2 4.46 / 8.92 3.75 / 7.50 3.04 / 6.08 2.70 / 5.40 2.36 / 4.72 2.03 / 4.06 1.50 / 3.00
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Additional Features
Applications
Almost anywhere there is a low voltage
power supply, up to 60 V and a load to be
protected, including:
■ Security and fire alarm systems
■ Loud speakers
■ Bulk packaging, tape and reel and Ammo-
Pak available on most models
■ Resettable circuit protection
■ Patents pending
■ Power transformers
MF-RX Series - PTC Resettable Fuses
Product Dimensions
A
Max.
13.0
(0.512)
14.5
(0.571)
16.3
(0.642)
17.8
(0.701)
21.3
(0.839)
24.9
(0.980)
28.4
B
Max.
18.0
(0.709)
19.6
(0.772)
21.3
(0.839)
22.9
(0.902)
26.4
(1.039)
30.0
C
D
Min.
7.6
(0.299)
7.6
(0.299)
7.6
(0.299)
7.6
(0.299)
7.6
(0.299)
7.6
E
Max.
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
(0.122)
3.1
Physical Characteristics
Model
MF-RX110
MF-RX135
MF-RX160
MF-RX185
MF-RX250
MF-RX300
MF-RX375
Packaging options:
Nom.
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
5.1
(0.201)
10.2
(0.402)
10.2
(0.402)
10.2
(0.402)
Tol.
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
0.7
(0.028)
Style
Lead Dia.
0.81
Material
1
1
1
1
1
1
1
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
(0.032)
0.81
(0.032)
0.81
(0.032)
0.81
(0.032)
0.81
(0.032)
0.81
(0.032)
0.81
(1.181)
33.5
(1.319)
(0.299)
7.6
(0.299)
(1.118)
(0.122)
(0.032)
MM
(INCHES)
0.81 (20AWG)
DIMENSIONS =
BULK: All models = 500 pcs. per bag.
TAPE & REEL: MF-RX110 – MF-RX160 = 1500 pcs. per reel; MF-RX185 – MF-RX375 = 1000 pcs. per reel
AMMO-PACK: MF-RX110 – MF-RX160 = 1000 pcs. per reel; MF-RX185 – MF-RX375 = 500 pcs. per reel
A
E
How to Order
Typical Time to Trip at 23 ßC
MF - RX 110 - 0 - 99
Multifuse®
Product Designator
B
D
Series
RX = Radial Leaded Component
Hold Current, Ihold
110-375 (1.10 Amps - 3.75 Amps)
Packaging Options
- __ = Bulk Packaging without part number
suffix option
- 0-99 = Bulk Packaging with part number
suffix option
1000
100
10
C
NOTE: Kinked lead option is available for
board standoff. Contact factory for
details.
- 2 = Tape and Reel without part number
suffix option*
- 2-99 = Tape and Reel with part number
suffix option
- AP = Ammo-Pak*
Typical Part Marking
1
- 0-14 = Kinked leads where straight leads are
standard
Represents total content. Layout may vary.
- 0-17 = Straight leads where kinked leads are
standard
MANUFACTURER'S
TRADEMARK
0.1
PART
IDENTIFICATION
Part Number Suffix Option
RX110
- 99 = As of date code April 1, 2005 all MF-RX
models are RoHS compliant. The suffix “-99”
can be used if a new part number is required
to reference the RoHS compliance.
LOT NO.
(T = TAIWAN
S = CHINA)
0180T
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
0.01
0.001
Examples:
MF-RX110..........................................Bulk packaging
1
10
100
MF-RX110-0-99 ....Bulk packaging with part
number suffix option
Fault Current (Amps)
MF-RX110-2 ..........Tape and reel packaging
MF-RX110-2-99 ....Tape and reel packaging
with part number suffix
option
*Packaged per EIA486-B
MF-RX SERIES, REV. L, 02/06
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-R, MF-RX, MF-R/90, MF-RX/72 & MF-RX/250 Series
Tape and Reel Specifications
Devices taped using EIA468–B/IEC286-2 standards. See table below and Figures 1 and 2 for details.
Dimensions
IEC
Mark
EIA
Mark
Dimension Description
Dimensions
Tolerance
18
(.709)
11
-0.5/+1.0
(-0.02/+.039)
Carrier tape width
W
W
Hold down tape width: all others
Hold down tape
W
0
W
4
min.
(.433)
No protrusion
3
Top distance between tape edges
Sprocket hole position
W
2
W
6
max.
(.118)
9
-0.5/+0.75
W
1
W
5
(.354)
4
(.157)
18.5
(.728)
16
(.63)
38.0
(1.496)
32.2
(1.268)
(-0.02/+0.03)
0.2
Sprocket hole diameter
D
0
D
0
( .0078)
3.0
( .118)
0.5
Abscissa to plane (straight lead)
Abscissa to plane (kinked lead)
Abscissa to top (straight lead)
Abscissa to top (kinked lead)
Overall width w/lead protrusion (straight lead)
Overall width w/lead protrusion (kinked lead)
Overall width w/o lead protrusion (straight lead)
Overall width w/o lead protrusion (kinked lead)
Lead protrusion
H
H
H
0
H
0
( .02)
H
1
H
1
max.
max.
max.
max.
max.
max.
max.
max.
H
1
H
1
55.0
(2.165)
43.2
C
1
C
1
(1.7)
54.0
(2.126)
42.5
(1.673)
1.0
(.039)
11
(.433)
C
2
C
2
I
L
1
1
Protrusion of cutout
L
L
Protrusion beyond hold tape
Sprocket hole pitch
I
I
Not specified
2
2
12.7
(0.5)
0.3
( .012)
P
0
P
0
Pitch tolerance
20 consecutive
1
12.7
(0.5)
Device pitch: MF-R005–MF-R160, MF-R/90 & MF-RX/72
25.4
(1.0)
Device pitch: MF-R185–MF-R400,
MF-RX110–MF-RX375
0.9
(.035)
1.5
Tape thickness
t
t
max.
max.
Tape thickness with splice: MF-R010–MF-R160
t
1
(.059)
Tape thickness with splice: MF-R250–MF-R1100
MF-RX110–MF-RX375 & MF-R/90
2.3
(.091)
t
max.
1
0.3
( .012)
1.0
( .039)
0.3
( .021)
0.2
( .008)
Splice sprocket hole alignment
Body lateral deviation
Body tape plane deviation
Lead spacing
0
0
0
5.08
(0.2)
56
(2.205)
370
(14.57)
4.75
∆h
∆p
F
∆h
∆p
F
Reel width
w
W
2
max.
Reel diameter
d
a
h
max.
3.25
Space between flanges less device
W
1
(.187)
( .128)
MM
DIMENSIONS =
(INCHES)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MF-R, MF-RX, MF-R/90, MF-RX/72 & MF-RX/250 Series
Tape and Reel Specifications
Dimensions
IEC
Mark
EIA
Mark
Dimension Description
Dimensions
Tolerance
26
(1.024)
12.0
( .472)
Arbor hole diameter
f
c
n
80
(3.15)
Core diameter: MF-R, MF-RX, MF-R/90
h
max.
max.
56
(2.2)
372
372
Box: MF-R, MF-RX, MF-R/90
(14.6) (14.6)
Consecutive missing places:
MF-R, MF-RX, MF-R/90
3
max.
Empty places per reel: MF-R, MF-RX, MF-R/90
Not specified
Taped Component Dimensions - Figure 1
∆p
∆h
∆h
∆p
Reference plane
P1
H1
H1
F
MM
H
DIMENSIONS =
H0
(INCHES)
A
B
L
W1
W0
W
I2
P0
D0
I1
User direction of feed
Cross section A - B
Reel Dimensions - Figure 2
t
Reel
Upper side
Tape
h
f
User
direction
of
d
feed
Lower side
h
w
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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