Axial Lead & Cartridge Fuses
PICO® ll > Very Fast-Acting > 263 Series
PS
E
®
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.
Features
tꢀ ꢁꢂꢃ7ꢀSBUJOH
tꢀ 7FSZꢀGBTUoBDUJOH
tꢀ 4NBMMꢀTJ[Fꢀ
tꢀ 3P)4ꢀDPNQMJBOUꢀꢆꢀ
)BMPHFOꢇGSFF
tꢀ 8JEFꢀPQFSBUJOHꢀ
temperature range
tꢀ 8JEFꢀSBOHFꢀPGꢀDVSSFOUꢀ
SBUJOHꢀBWBJMBCMFꢀꢄꢅꢁN"ꢀUPꢀ
5A)
tꢀ -PXꢀUFNQFSBUVSFꢀ
de-rating
Agency Approvals
Applications
Agency
Agency File Number
Ampere Range
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tꢀ 1PXFSꢀTVQQMZ
tꢀ -$%ꢌ1%1ꢀ57ꢀ
tꢀ -$%ꢀNPOJUPS
tꢀ 0GåDFꢀBVUPNBUJPOꢀ
machines
E10480
JET 1896-31007-1001
LR 29862
62mA - 5A
tꢀ "VEJPꢌ7JEFPꢀTZTUFN
tꢀ .FEJDBMꢀFRVJQNFOU
PS
E
1A - 5A
125mA - 5A
Electrical Characteristics
% of Ampere
Rating
OpeningTime
100%
200%
300%
ꢈꢀ)PVSTꢉꢀMin.
ꢊꢀ4FDPOEꢉꢀMax.
ꢃꢋꢊꢀ4FDPOEꢉꢀMax.
Electrical Characteristics
Max
Agency Approvals
Ampere
Rating
(A)
Nominal Cold Nominal
Nom
Voltage Drop
(mV)
Voltage
Rating
(V)
Interrupting
Amp Code
Resistance
(Ohms)
Melting
PS
E
Rating
I2t (A2 sec)
0.062
0.125
0.250
0.375
0.500
0.750
1.00
1.50
2.00
2.50
3.00
.062
.125
.250
.375
.500
.750
001.
01.5
002.
02.5
003.
03.5
004.
005.
250
250
250
250
250
250
250
250
250
250
250
250
250
250
5.50
1.75
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
0.74
0.3
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
0.715
0.391
0.332
0.150
0.105
0.0635
0.0444
0.0340
0.0274
0.0224
0.0193
0.0145
0.235
0.195
0.302
0.176
0.165
0.148
0.137
0.128
0.1225
0.1175
0.1125
0.1065
50 amperes
at 250 VAC
x
x
x
x
x
x
x
x
PSE: 100
amperes
at 125 VAC.
3.50
4.00
5.00
5.55
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/263.html for current information.
263 Series
207
Revised: January 19, 2010