![](http://datasheet.mmic.net.cn/30000/026303-5WXT1L_datasheet_2560308/026303-5WXT1L_1.png)
207
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Axial Lead & Cartridge Fuses
263 Series
Please refer to www.littelfuse.com/series/263.html for current information.
PICO ll > Very Fast-Acting > 263 Series
263
Series
263 Series, PICO II 250 Volt, Very Fast-Acting Fuse
Description
The PICO II 263 Series Fuse is a specially designed
axial leaded fuse that achieves a 250V rating in a small
package.
Agency Approvals
Agency
Agency File Number
Ampere Range
E10480
62mA - 5A
PS
E
JET 1896-31007-1001
1A - 5A
LR 29862
125mA - 5A
Features
Electrical Characteristics
5A)
temperature range
de-rating
% of Ampere
Rating
OpeningTime
100%
Min.
200%
Max.
300%
Max.
Applications
Ampere
Rating
(A)
Amp Code
Max
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I2t (A2 sec)
Nom
Voltage Drop
(mV)
Agency Approvals
PS
E
0.062
.062
250
50 amperes
at 250 VAC
PSE: 100
amperes
at 125 VAC.
5.50
0.000192
0.74
x
0.125
.125
250
1.75
0.00251
0.3
x
0.250
.250
250
0.715
0.0165
0.235
x
0.375
.375
250
0.391
0.0444
0.195
x
0.500
.500
250
0.332
0.084
0.302
x
0.750
.750
250
0.150
0.0411
0.176
x
1.00
001.
250
0.105
0.087
0.165
x
1.50
01.5
250
0.0635
0.398
0.148
x
2.00
002.
250
0.0444
0.74
0.137
x
2.50
02.5
250
0.0340
1.197
0.128
x
3.00
003.
250
0.0274
1.77
0.1225
x
3.50
03.5
250
0.0224
2.33
0.1175
x
4.00
004.
250
0.0193
3.08
0.1125
x
5.00
005.
250
0.0145
5.55
0.1065
x
Electrical Characteristics
machines
PS
E
Revised: January 19, 2010