Axial lead & cartridge fuses – Littelfuse 218 Series User Manual
Page 2

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
5×20 mm > Time-Lag > 218 Series
Amp
Code
Amp
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal
Cold
Resistance
(Ohms)
Nominal
melting
I
2
t (A
2
sec)
maximum
Voltage Drop
at Rated
Current
(mV)
maximum
power
Dissipation
At
1.5ln(W)
Agency Approvals
PS
E
.032
0.032
250
35 A @ 250 VAC
48.2580
0.01100
5000
1.6
x
x
x
x
x
x
x
.040
0.04
250
31.8620
0.01100
4000
1.6
x
x
x
x
x
x
x
.050
0.05
250
21.2920
0.01700
3500
1.6
x
x
x
x
x
x
x
.063
0.063
250
14.2680
0.02800
3000
1.6
x
x
x
x
x
x
x
.080
0.08
250
9.0700
0.07500
2500
1.6
x
x
x
x
x
x
x
x
.100
0.1
250
6.0180
0.07900
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
3.7000
0.14400
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
40 A @ 250 VAC
0.0129
69.10
100
1.6
x
x
x
x
x
x
x
x
x
005.
5
250
50 A @ 250 VAC
0.0104
111.00
100
1.6
x
x
x
x
x
x
x
x
x
06.3
6.3
250
63 A @ 250 VAC
0.0076
198.50
100
1.6
x
x
x
x
x
x
x
x
x
008.
8
250
80 A @ 250 VAC
0.0059
341.50
100
4
x
x
x
x
x
x
010.
10
250
100 A @ 250 VAC
0.0045
568.00
100
4
x
x
x
x
x
x
12.5
12.5
250
63 A @ 250 VAC
0.0034
889.00
100
4
x
x
x
015.
15
250
100 A @ 250 VAC
0.0028
1405.00
100
4
x
x
x
x
x*
016.
16
250
63 A @ 250 VAC
0.0021
1955.00
100
4
x
x
Electrical Characteristics
Average Time Current Curves
Temperature Rerating Curve
* Approval for cartidge versions only
0.01
0.1
1
10
100
1000
10000
0.01
0.1
1
10
100
TIME IN SECONDS
CURRENT IN AMPERES
0.032A 0.040A 0.050A 0.063A 0.080A 0.100A 0.125A 0.160A 0.200A 0.250A 0.315A 0.400A 0.500A 0.630A 0.800A 1A 1.25A 1.6A 2A 2.5A 3.15A 4A 5A 6.3A 8A 10A 12.5A 15A 16A