Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
308 © 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
239 Series
5×20 mm > Time Lag > 239 Series
Please refer to www.littelfuse.com/series/239.html for current information.
Amp Code Amp Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I2t (A2 sec)
Agency Approvals
PS
E
.080 0.08 250
35A @ 250 VAC
28.1750 0.02500 YY
.100 0.1 250 17.3425 0.05500 YY
.125 0.125 250 11.6000 0.08500 YY
.150 0.15 250 8.1000 0.13000 YY
.200 0.2 250
35A @ 250 VAC
10000A @ 125 VAC
3.8725 0.16500 YY YY
.250 0.25 250 3.0700 0.34000 YY YY
.300 0.3 250 2.3000 0.61500 YY YY
.400 0.4 250 1.4750 1.49000 YY YY
.500 0.5 250 0.9090 1.98500 YY YY
.600 0.6 250 0.6990 2.41500 YY YY
.700 0.7 250 0.5375 4.12000 YY YY
.750 0.75 250 0.4710 5.42500 YY YY
.800 0.8 250 0.4155 7.56500 YY YY
001. 1 250 0.2965 11.29500 YYYYY
1.25 1.25 250
10000A @ 125 VAC
100A @ 250 VAC
0.1980 19.52500 YYYYY
01.6 1.6 250 0.1205 30.43000 YYYYY
002. 2 250 0.0943 50.58500 YYYYY
02.5 2.5 250 0.0583 79.70500 YYYYY
003. 3 250 0.04877 129.51000 YYYYY
3.15 3.15 250 0.0414 128.05000 YYYYY
03.2 3.2 250 0.0385 128.05000 YYY
03.5 3.5 250 0.0370 128.05000 YYY
004. 4 125
10000A @ 125 VAC
0.0312 270.703 YYYYY
005. 5 125 0.0199 302.836 YYYYY
007. 7 125 0.0114 305.758 YYYYY
Electrical Characteristic Specication by Item