
Revised: February 19, 2009
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
270 © 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
218 Series
5×20 mm > Time-Lag > 218 Series
Please refer to www.littelfuse.com/series/218.html for current information.
Amp
Code
Amp
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal
Cold
Resistance
(Ohms)
Nominal
Melting
I2t (A2sec)
Nominal
Voltage
Drop at
Rated
Current
(mV)
Nominal
Power
Dissipation
At Rated
Current
(W)
Agency Approvals
PS
E
.032 0.032 250
35A@250Vac
58.4500 0.00297 5000 1.6 x x x x x x x
.040 0.04 250 35.7000 0.00536 4000 1.6 x x x x x x x
.050 0.05 250 23.3000 0.00692 3500 1.6 x x x x x x x
.063 0.063 250 17.6500 0.0117 3000 1.6 x x x x x x x
.080 0.08 250 12.6000 0.0258 2500 1.6 x x x x x x x x
.100 0.1 250 8.9050 0.0482 2000 1.6 x x x x x x x x
.125 0.125 250 4.2000 0.1465 1900 1.6 x x x x x x x x
.160 0.16 250 2.5500 0.2190 1500 1.6 x x x x x x x x
.200 0.2 250 1.6000 0.3410 1300 1.6 x x x x x x x x
.250 0.25 250 1.0495 0.5405 1100 1.6 x x x x x x x x
.315 0.315 250 0.8475 1.1100 1000 1.6 x x x x x x x x
.400 0.4 250 0.5350 1.3250 900 1.6 x x x x x x x x
.500 0.5 250 0.3700 2.8250 300 1.6 x x x x x x x x
.630 0.63 250 0.2750 4.6750 250 1.6 x x x x x x x x
.800 0.8 250 0.0813 3.370 150 1.6 x x x x x x x x
001. 1 250 0.0613 6.730 150 1.6 x x x x x x x x x
1.25 1.25 250 0.0446 12.650 150 1.6 x x x x x x x x x
01.6 1.6 250 0.0336 23.350 150 1.6 x x x x x x x x x
002. 2 250 0.0293 14.450 150 1.6 x x x x x x x x x
02.5 2.5 250 0.0219 23.250 120 1.6 x x x x x x x x x
3.15 3.15 250 0.0173 38.150 100 1.6 x x x x x x x x x
004. 4 250
40A @ 250Vac
0.0129 69.10 100 1.6 x x x x x x x x x
005. 5 250
50A @ 250Vac
0.0104 111.00 100 1.6 xxxxxxxxx
06.3 6.3 250
63A @ 250Vac
0.0076 198.50 100 1.6 x x x x x x x x x
008. 8 250
80A @ 250Vac
0.0059 341.50 100 4 x x x x x x
010. 10 250
100A @ 250Vac
0.0045 568.00 100 4 x x x x x x
12.5 12.5 250
63A @ 250Vac
0.0034 889.00 100 4 x x
015. 15 250
100A @ 250Vac
0.0028 1405.00 100 4 x x x x*
016. 16 250
63A @ 250Vac
0.0021 1955.00 100 4 x x
Electrical Characteristics
Average Time Current Curves
Temperature Rerating Curve
CURRENT IN AMPERES
0.01 0.1 1 10 100 1000
0.001
0.01
0.1
1
10
100
1000
10000
TIME IN SECONDS
0.050A
0.063A
0.080A
0.100A
0.125A
0.160A
0.200A
0.250A
0.315A
0.400A
0.500A
1A
0.800A
0.630A
1.25A
1.6A
2A
2.5A
3.15A
4A
5A
6.3A
8A
10A
0.032A
0.040A
15A
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