Axial Lead & Cartridge Fuses
PICO
®
ll > Very Fast-Acting > 263 Series
263 Series,
PICO
®
II 250 Volt, Very Fast-Acting Fuse
PS
E
Description
The PICO
®
II 263 Series Fuse is a specially designed
axial leaded fuse that achieves a 250V rating in a small
package.
Features
temperature range
5A)
Applications
Agency
Agency File Number
Ampere Range
de-rating
Agency Approvals
E10480
PS
E
62mA - 5A
1A - 5A
125mA - 5A
machines
JET 1896-31007-1001
LR 29862
Electrical Characteristics
% of Ampere
Rating
100%
200%
300%
Opening Time
Min.
Max.
Max.
Ampere
Rating
(A)
0.062
0.125
0.250
0.375
0.500
0.750
1.00
1.50
2.00
2.50
3.00
3.50
4.00
5.00
Amp Code
.062
.125
.250
.375
.500
.750
001.
01.5
002.
02.5
003.
03.5
004.
005.
Max
Voltage
Rating
(V)
250
250
250
250
250
250
250
250
250
250
250
250
250
250
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
5.50
1.75
0.715
0.391
0.332
0.150
0.105
0.0635
0.0444
0.0340
0.0274
0.0224
0.0193
0.0145
Nominal
Melting
I
2
t (A
2
sec)
0.000192
0.00251
0.0165
0.0444
0.084
0.0411
0.087
0.398
0.74
1.197
1.77
2.33
3.08
5.55
Nom
Voltage Drop
(mV)
0.74
0.3
0.235
0.195
0.302
0.176
0.165
0.148
0.137
0.128
0.1225
0.1175
0.1125
0.1065
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Agency Approvals
PS
E
50 amperes
at 250 VAC
PSE: 100
amperes
at 125 VAC.
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/263.html for current information.
207
Revised: July 27, 2011
263 Series
263 Series
Electrical Characteristics