154
Cartridge and Axial Lead Fuses
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Revised: July 16, 2008
3AG > Fast Acting > 312/318 Series
312/318 Series
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com/series/312.html or 318.html for current information.
Amp
Code
Ampere
Rating (A)
Max
Voltage
Rating
(V)
Interrupting
Rating
Nominal
Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Agency Approvals
®
U
L
PS
E
.10
*
0.01 250
10mA ~ 1A
35A@250Vac
10KA@125Vac
177.4000 NA x
**
x
**
x
**
.031
*
0.031 250 23.6500 0.0000300 x x x
.062 0.062 250 24.7000 0.000249 x x x
.100 0.1 250 11.2800 0.00102 x x x
.125 0.125 250 7.1450 0.00289 x x x
.150 0.15 250 5.1300 0.00550 x x x
.175 0.175 250 3.8750 0.00960 x x x
.187 0.187 250 3.4200 0.0128 x x x
.200 0.2 250 3.0200 0.0165 x x x
.250 0.25 250 2.0100 0.0355 x x x
.300 0.3 250 1.4050 0.0689 x x x
.375 0.375 250 0.8250 0.185 x x x
.500 0.5 250 0.4980 0.483 x x x
.600 .6 250 0.3620 0.880 x x x
.750 0.75 250 0.2445 1.84 x x x
001 1 250 0.1900 0.760 x x x x x
1.25 1.25 250
1.25A ~ 3A
100A@250Vac
10KA@125Vac
0.1385 1.45 x x x x x
01.5 1.5 250 0.1036 2.35 x x x x
01.6 1.6 250 0.0934 2.80 x x x x x
1.75 1.75 250 0.0856 3.60 x x x x
01.8 1.8 250 0.0825 3.85 x x x x
002 2 250 0.0704 5.20 x x x x x
2.25 2.25 250 0.0594 7.20 x x x x x
02.5 2.5 250 0.0513 9.54 x x x x x
003 3 250 0.0427 14.0 x x x x x
004 4 250
4A ~ 10A
200A@250Vac
10KA@125Vac
0.0293 28.5 x x x x x
005 5 250 0.0224 50.0 x x x x x
006 6 250 0.0178 118.0 x x x x x
007 7 250 0.0146 118.0 x x x x x
008 8 250 0.0122 166.0 x x x x x
010 10 250 0.0093 298.0 x x x x x
012 12 32
12A ~ 35A
300A@32 Vac
0.0072 234.6 x
**
x
***
x
**
015 15 32 0.0052 490.5 x
**
x
***
x
**
020 20 32 0.0035 1029 x
**
x
***
x
**
025 25 32 0.0024 2041 x
**
x
***
x
**
030 30 32 0.0019 3717 x
**
x
***
x
**
035 35 32 0.0013 7531
NOTES:
N"BOEN"BSFOPU3P)4DPNQPMBJOUBTUIFHMBTTCFBEDPOUBJOT1C
** 312 Series only. Refer to Agency Approvals section of this document.
*** 318 Series only. Refer to Agency Approvals section of this document.
Electrical Characteristic Specifications by Item
