Axial lead & cartridge fuses – Littelfuse 239 Series User Manual
Page 2
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/26/13
Axial Lead & Cartridge Fuses
5×20 mm > Time Lag > 239 Series
Amp Code Amp Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Agency Approvals
PS
E
.080
0.08
250
35A @ 250 VAC
28.1750
0.02500
x
x
.100
0.1
250
17.3425
0.05500
x
x
.125
0.125
250
11.6000
0.08500
x
x
.150
0.15
250
8.1000
0.13000
x
x
.200
0.2
250
35A @ 250 VAC
10000A @ 125 VAC
3.8725
0.16500
x
x
x
x
.250
0.25
250
3.0700
0.34000
x
x
x
x
.300
0.3
250
2.3000
0.61500
x
x
x
x
.400
0.4
250
1.4750
1.49000
x
x
x
x
.500
0.5
250
0.9090
1.98500
x
x
x
x
.600
0.6
250
0.6990
2.41500
x
x
x
x
.700
0.7
250
0.5375
4.12000
x
x
x
x
.750
0.75
250
0.4710
5.42500
x
x
x
x
.800
0.8
250
0.4155
7.56500
x
x
x
x
001.
1
250
0.2965
11.29500
x
x
x
x
x
1.25
1.25
250
10000A @ 125 VAC
100A @ 250 VAC
0.1980
19.52500
x
x
x
x
x
01.6
1.6
250
0.1205
30.43000
x
x
x
x
x
002.
2
250
0.0943
50.58500
x
x
x
x
x
02.5
2.5
250
0.0583
79.70500
x
x
x
x
x
003.
3
250
0.04877
129.51000
x
x
x
x
x
3.15
3.15
250
0.0414
128.05000
x
x
x
x
x
03.2
3.2
250
0.0385
128.05000
x
x
x
03.5
3.5
250
0.0370
128.05000
x
x
x
004.
4
125
10000A @ 125 VAC
0.0312
270.703
x
x
x
x
x
005.
5
125
0.0199
302.836
x
x
x
x
x
007.
7
125
0.0114
305.758
x
x
x
x
x
Electrical Characteristic Specification by Item