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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
Electrical Characteristic Specification 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
.250 0.25 250
35A@250Vac
10KA@125Vac
10KA@125Vdc
80A@310Vac
2.4300 0.339 x x x
.350 0.35 250 1.3100 0.640 x x x
.375 0.375 250 1.1685 0.820 x x x
.500 0.5 250 0.6935 1.64 x x x
.600 0.6 250 0.4805 1.75 x x x
.750 0.75 250 0.3430 2.95 x x x
.800 0.8 250 0.3060 3.45 x x x
0 01. 1 250 0.2120 5.64 x x x x
1.25 1.25 250
100A@250Vac
10KA@125Vac
10KA@125Vdc
80A@310Vac
0.1460 16.8 x x x x
01. 5 1. 5 250 0.1077 20.0 x x x x
002. 2 250 0.0698 30.0 x x x x
2.25 2.25 250 0.0567 39.0 x x x x
02.5 2.5 250 0.0502 50.0 x x x x
003. 3 250 0.0383 77.0 x x x x
03.5 3.5 250
100A@250Vac
10KA@125Vac
10KA@125Vdc
0.0312 110.0 x x x x
004. 4 125
400A@125Vac
400A@125Vdc
0.0258 148.0 x x x x
005. 5 125 0.0186 267 x x x x
006. 6 125 0.0141 380 x x x x
007. 7 125 0.0116 464 x x x x
Amp Code
Ampere Rating
(A)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
10×160 µs
1500V
10×560 µs
800V
10×1000 µs
1000V
.250 0.25
60A@600Vac
40A@600Vac
7A@600Vac
2.2A@600Vac
2.4300 0.339 23.0A 16.6A 12.4A
.350 0.35 1.3100 0.640 34.0A 25.8A 19.3A
.375 0.375 1.1685 0.820 40.0A 25.4A 19.0A
.500 0.5 0.6935 1.64 60.0A 37.7A 28.2A
.600 0.6 0.4805 1.75 71.0A 47.2A 35.3A
.750 0.75 0.3430 2.95 91.0A 65.5A 49.0A
.800 0.8 0.3060 3.45 104.0A 68.9A 51.6A
0 01. 1 0.2120 5.64 130A 88.6A 66.3A
1.25 1.25* 0.1460 16.8 162.0A 118.1A 100.0A
* 500A peak, 2500V, 2×10 microseconds, 20 repetitions
Surge Withstand Specificatons
Peak Withstand Current(lp): These fuses will withstand 50 repetitions of a double exponential impulse wave having peak
currents(lp) and peak voltages as listed.