Introduction to Circuit Protection
Axial Lead & Cartridge Fuses
Transientology
5×20 mm > Time-Lag > 218 Series
Electrical Characteristics
Nominal
Voltage
Drop at
Rated
Current
(mV)
Nominal
Power
Dissipation
At Rated
Current
(W)
Agency Approvals
Nominal
Cold
Resistance
(Ohms)
Amp Voltage
Nominal
Melting
Amp
Code
Interrupting
Rating
Rating Rating
PS
E
(A)
(V)
I2t (A2 sec)
.032
.040
.050
.063
.080
.100
.125
.160
.200
.250
.315
.400
.500
.630
.800
001.
1.25
01.6
0.032
0.04
0.05
0.063
0.08
0.1
0.125
0.16
0.2
0.25
0.315
0.4
0.5
0.63
0.8
1
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
48.2580
31.8620
21.2920
14.2680
9.0700
6.0180
4.2000
3.7000
1.6000
1.0495
0.8475
0.5350
0.3700
0.2750
0.0813
0.0613
0.0446
0.0336
0.0293
0.0219
0.0173
0.0129
0.0104
0.0076
0.0059
0.0045
0.0034
0.0028
0.0021
0.01100
0.01100
0.01700
0.02800
0.07500
0.07900
0.1465
0.14400
0.3410
0.5405
1.1100
5000
4000
3500
3000
2500
2000
1900
1500
1300
1100
1000
900
300
250
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
4
x
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x
x
x
35 A @ 250 VAC
1.3250
2.8250
4.6750
3.370
150
6.730
150
x
x
x
x
x
x
x
x
x
x
x
x
x
1.25
1.6
12.650
23.350
14.450
23.250
38.150
69.10
150
150
002.
02.5
3.15
004.
005.
06.3
008.
010.
12.5
015.
016.
2
150
2.5
3.15
4
120
100
40 A @ 250 VAC
50 A @ 250 VAC
63 A @ 250 VAC
80 A @ 250 VAC
100 A @ 250 VAC
63 A @ 250 VAC
100 A @ 250 VAC
63 A @ 250 VAC
100
5
111.00
100
6.3
8
198.50
341.50
568.00
889.00
1405.00
1955.00
100
100
10
100
4
12.5
15
100
4
100
4
x
x*
16
100
4
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Temperature Rerating Curve
AverageTime Current Curves
10000
1000
100
10
1
0.1
0.01
0.01
0.1
1
10
100
CURRENT IN AMPERES
© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/218.html for current information.
218 Series
LITTELFUSE [ LITTELFUSE ]
