0253002.VRT1L [LITTELFUSE]
Electric Fuse, Very Fast Blow, 2A, 125VAC, 125VDC, 50A (IR), Through Hole, ROHS COMPLIANT;
| 型号： | 0253002.VRT1L |
| 厂家： | 
LITTELFUSE |
| 描述： | Electric Fuse, Very Fast Blow, 2A, 125VAC, 125VDC, 50A (IR), Through Hole, ROHS COMPLIANT |
| 文件： | 总3页 (文件大小：129K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Cartridge, Axial Lead, and Socket Fuses
PICO® II > Very Fast-Acting > 251/253 Series
PS
E
251/253 Series, PICO® II, Very Fast-Acting Fuse
RoHS
®
®
TUV
Description
The PICO® II very fast-acting fuse is designed to meet an
extensive array of performance characteristics in a
space-saving subminiature package.
Features
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temperature range
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(62mA- 15A)
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Applications
Agency Approvals
Secondary protection for space constrained applications
Agency
Agency File Number
Ampere Range
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E10480
62mA - 15A
®
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LR 29862
62mA - 15A
1A - 5A
®
PS
E
JET 1896-31007-1001
J02037794
Electrical Characteristics
500mA - 10A
TUV
% of Ampere
Rating
Ampere Rating
1/16–15
OpeningTime
100%
4 hours, Minimum
1 sec., Maximum
3 sec., Maximum
10 sec., Maximum
1/16–7
10
200%
12-15
Electrical Characteristics
Agency Approvals
Max
Ampere
Rating
(A)
Ordering Ordering
Nominal Cold Nominal
Nom
Voltage Drop
(mV)
Amp
Code
Voltage Interrupting
Number Number
Resistance
(Ohms)
Melting
PS
Rating
(V)
Rating
®
TUV
(Std.)
(Mil.)
I2t (A2 sec)
E
®
1/16
1/8
1/4
3/8
1/2
3/4
1
11/4
11/2
2
21/2
3
31/2
4
5
7
.062
.125
.250
.375
.500
.750
001.
1.25
01.5
002.
02.5
003.
03.5
004.
005.
007.
010.
012.
251.062
251.125
251.250
251.375
251.500
251.750
251001.
2511.25
25101.5
251002.
25102.5
251003.
25103.5
251004.
251005.
251007.
251010.
251012.
253.062
253.125
253.250
253.375
253.500
253.750
253001.
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
32
7.000
1.700
0.665
0.395
0.280
0.175
0.128
0.100
0.0823
0.0473
0.0360
0.0290
0.0240
0.0204
0.0155
0.0105
0.00705
0.0055
0.000113
0.00174
0.0116
0.0296
0.0598
0.153
0.256
0.390
0.587
0.405
0.721
1.19
1.58
2.45
4.14
10.4
25.5
45.2
68.8
1.4
0.285
0.24
0.215
0.2165
0.176
0.194
0.2
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
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
300 amperes
at rated
25301.5
253002.
0.21
voltage VDC
0.141
0.132
0.131
0.1205
0.114
0.11
0.102
0.1
0.0878
0.071
50 amperes at
rated voltage
VAC
253003.
253004.
253005.
253007.
253010.
10
12
15
015.
251015.
253015.
32
0.00446
Note: Higher ampere ratings are available. Please contact LittelfuseTechnical Support or your Littelfuse products representative for assistance.
©2008 Littelfuse, Inc.
1
251/253 Series
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com/series/251.htmlor/253.html for current information.
Revised: April 23, 2008
Cartridge, Axial Lead, and Socket Fuses
PICO® II > Very Fast-Acting > 251/253 Series
Temperature Rerating Curve
AverageTime Current Curves
100
10
1
0.1
0.01
0.001
0.05 0.1
1
10
100
1000
CURRENT IN AMPERES
Soldering Parameters -Wave Soldering
Recommended Process Parameters:
300
280
260
240
220
200
180
160
140
120
100
80
Wave
Parameter
Lead-Free Recommendation
Preheat:
(Typical Industry Recommendation)
(Depends on Flux ActivationTemperature)
Temperature Minimum:
Temperature Maximum:
PreheatTime:
100° C
150° C
60-180 seconds
Solder PotTemperature:
Solder DwellTime:
260° C Maximum
2-5 seconds
60
40
20
Recommended Hand-Solder Parameters:
0
Solder IronTemperature: 350° C +/- 5°C
HeatingTime: 5 seconds max.
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
Note: These devices are not recommended for IR or
Convection Reflow process.
©2008 Littelfuse, Inc.
2
251/253 Series
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com/series/251.html or /253.html forcurrentinformation.
Revised: April 23, 2008
Cartridge, Axial Lead, and Socket Fuses
PICO® II > Very Fast-Acting > 251/253 Series
Product Characteristics
Encapsulated, Epoxy-Coated
Operating Temperature –55OC to 125OC
Materials
Body: Wire Leads. PureTin coated
copper wire leads
MIL-STD-202, Method 213, Test
Shock
Condition I (100 G’s peak for 6
milliseconds)
Solderability
MIL-STD-202, Method 208
MIL-STD-202. Method 211. Test Condition
A (will withstand a 7 lb. axial pull test).
MIL-STD-202, Method 201 (10–55
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Lead Pull Force
Vibration
Moisture Sensitivity
Level
J-STD 020 MSL Rating 2
Moisture Resistance
MIL-STD-202, Method 106
Withstands 60 seconds above 200OC
and up to 260OC, maximum
Resistance to Soldering
Heat
Flammability Rating
UL 94V0
Dimensions
Part Numbering System
0251 xxxx N R T1 L
62.7 (2.468")
52.4 (2.062")*
27.78
(1.094")
27.78
(1.094")
7.11 (.280")
Series
251 = Standard type
**0.64 (.025")
2.80 (.11")
F
1 A
L
253 = Military type
Current Rating
Refer to Amp Code column of
Electrical Characteristics Table
5.0 (.197")
6.35 (.25")
tape
6.35 (.25")
tape
F
1 A
L
Quantity
N = 5000
P = 2000
M = 1000
H = 100
V = 5
251 series markings
F
1 A
L
Type of Packaging
R = Reel
253 series markings
A = Ammo Pack
X = Loose Pack
Lead Length
T1: 52.4mm (2.062”)*
RoHS
Packaging
Quantity &
Packaging Code
Packaging Option
Packaging Specification
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*T1: 52.4mm (2.062")Tape and Reel
EIA 296
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** .025” diameter for 1/16–10A, .032” diameter for 12–15A.
©2008 Littelfuse, Inc.
3
251/253 Series
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com/series/251.htmlor/253.html for current information.
Revised: April 23, 2008
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