Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
318
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
313/315 Series
3AG > Time Lag > 313/315 Series
Please refer to www.littelfuse.com/series/313.html
or /315.html for current information.
Electrical Characteristic Specications by Item
Amp
Code
Ampere
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal
Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Agency Approvals
PS
E
.010 0.01 250
35A@250Vac
10KA@125Vac
4300.0000 0.000121
xx x
.031 0.031 250 430.0000 0.00303 x x x
.040 0.04 250 300.0000 0.00630 x x x
.062 0.062 250 120.0000 0.0210 x x x
.100 0.1 250 43.0000 0.0850 x x x
.125 0.125 250 30.0000 0.152 x x x
.150 0.15 250 20.0000 0.270 x x x
.175 0.175 250 8.6700 0.177 x x x
.187 0.187 250 8.0100 0.230 x x x
.200 0.2 250 6.5900 0.270 x x x
.250 0.25 250 4.2700 0.385 x x x
.300 0.3 250 3.1350 0.730 x x x
.375 0.375 250 2.0950 1.23 x x x
.400 0.4 250 1.8750 1.35 x x x
.500* 0.5 250 1.2600 2.55 x x x
.600 0.6 250 0.9120 4.00 x x x
.700 0.7 250 0.7000 5.90 x x x
.750 0.75 250 0.6215 7.16 x x x
.800 0.8 250 0.5540 8.00 x x x
001.* 1 250 0.3750 14.0 x x x x
01.2 1.2 250
100A@250Vac
10KA@125Vac
0.2780 21.5 x x x x
1.25 1.25 250 0.2600 24.0 x x x x
01.5* 1.5 250 0.1910 38.0 x x x x
01.6 1.6 250 0.1710 49.6 x x x x
01.8 1.8 250 0.1410 58.0 x x x x
002.* 2 250 0.1169 77.0 x x x x
2.25 2.25 250 0.0968 121 x x x x x
02.5 2.5 250 0.0811 130 x x x x x
02.8 2.8 250 0.0675 170 x x x x x
003.* 3 250 0.0593 200 x x x x x
03.2 3.2 250 0.0529 209 x x x x x
004.* 4 250
200@250Vac
10KA@125Vac
0.0311 76.1 x x x x x
005.* 5 250 0.0214 140 x x x x x
6.25* 6.25 250 0.0154 242 x x x x x
06.3 6.3 250 0.0154 242 x x x x x
007.* 7 250 0.0128 347 x x x x x
008.* 8 250 0.0111 445 x x x x x
010.** 10 250
300A@32Vac
0.0083 760 x x x x
010.* 10 32 0.0083 760 x
012. 12 32 0.0065 1200 x
015.** 15 125 0.0050 1870 x x x x
015. 15 32 0.0050 1870 x
020. 20 32 0.0022 9560 x
025. 25 32 0.0017 16500
x
030. 30 32 0.0012 26900 x
* For 313series, these ratings available with an indicating option. Add the “ID” designation to the series number. i.e. 313.500ID.
** These 2 ratings are designed for special voltage requirement. For 10A, it is available as 250Vac rated and the part number is 0313010.
MX250P; for 15A, it is available as 125Vac rated and the part number is 0315015.MX125P.
