Note: Higher ampere ratings are available. Please contact Littelfuse Technical Support or your Littelfuse products representative for assistance.
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for the most current information
Please refer to http://www.littelfuse.com/series/251.html or /253.html for current information.
RoHS
Ampere
Agency Approvals
Electrical Characteristics
Rating
TUV
21/2
31/2
1/16
11/4
11/2
Agency
®
(A)
1/8
1/4
3/8
1/2
3/4
10
12
15
1
2
3
4
5
7
PS
E
®
251/253 Series,
Code
Amp
.062
.250
.375
.500
.750
002.
02.5
003.
03.5
004.
005.
.125
1.25
010.
012.
015.
001.
01.5
007 .
E10480
LR 29862
JET 1896-31007-1001
J02037794
Agency File Number
Ordering
Number
251.062
251.250
251.375
251.500
251.750
251002.
25102.5
251003.
25103.5
251004.
251005.
251.125
251001.
2511.25
25101.5
251007 .
251010.
251012.
251015.
(Std.)
Ordering
Number
253.062
253.250
253.375
253.500
253.750
253002.
253003.
253004.
253005.
253.125
253010.
253015.
253001.
25301.5
253007 .
(Mil.)
PICO
Voltage
Rating
Max
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
(V)
32
32
Ampere Range
Cartridge, Axial Lead, and Socket Fuses
PICO
500mA - 10A
62mA - 15A
62mA - 15A
®
1A - 5A
II, Very Fast-Acting Fuse
50 amperes at
300 amperes
rated voltage
Interrupting
voltage VDC
®
at rated
Rating
II > Very Fast-Acting > 251/253 Series
VAC
Revised: April 23, 2008
Nominal Cold
Resistance
1
(Ohms)
0.00705
0.00446
0.0823
0.0473
0.0360
0.0290
0.0240
0.0204
0.0055
0.0155
0.0105
1.700
0.665
0.395
0.280
0.175
0.128
0.100
7 .000
Description
The PICO
extensive array of performance characteristics in a
space-saving subminiature package.
Features
Applications
Secondary protection for space constrained applications
Electrical Characteristics
(62mA- 15A)
% of Ampere
Rating
100%
200%
I
®
2
Nominal
Melting
0.000113
t (A
0.00174
0.0296
0.0598
0.0116
II very fast-acting fuse is designed to meet an
0.153
0.256
0.390
0.587
0.405
0.721
10.4
25.5
45.2
68.8
1.58
2.45
4.14
1.19
2
sec)
Ampere Rating
Voltage Drop
0.2165
0.1205
0.0878
1/16–15
0.285
0.215
0.176
0.194
0.141
0.132
0.131
0.102
0.071
Nom
0.114
1/16–7
(mV)
0.24
0.21
0.11
12-15
0.2
1.4
0.1
10
®
temperature range
®
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Agency Approvals
4 hours, Minimum
10 sec., Maximum
1 sec., Maximum
3 sec., Maximum
Opening Time
®
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
®
PS
E
PS
E
x
x
x
x
x
x
x
x
x
x
x
x
x
251/253 Series
TUV
TUV
x
x
x
x
x
x
x
x
x
x
x
x
x