Axial lead & cartridge fuses – Littelfuse 313 Series User Manual
Page 2
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
3AG > Time Lag > 313/315 Series
Electrical Characteristic Specifications 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
x
x
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.