Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
Transientology
5×20 mm > Time-Lag > 218 Series
Electrical Characteristics
Amp
Rating
(A)
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
1.25
1.6
2
2.5
3.15
4
5
6.3
8
10
12.5
15
16
Voltage
Rating
(V)
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
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
35 A @ 250 VAC
Amp
Code
Interrupting
Rating
Nominal
Cold
Resistance
(Ohms)
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
Nominal
Melting
I
2
t (A
2
sec)
0.01100
0.01100
0.01700
0.02800
0.07500
0.07900
0.1465
0.14400
0.3410
0.5405
1.1100
1.3250
2.8250
4.6750
3.370
6.730
12.650
23.350
14.450
23.250
38.150
69.10
111.00
198.50
341.50
568.00
889.00
1405.00
1955.00
Nominal
Voltage
Drop at
Rated
Current
(mV)
5000
4000
3500
3000
2500
2000
1900
1500
1300
1100
1000
900
300
250
150
150
150
150
150
120
100
100
100
100
100
100
100
100
100
Nominal
Power
Dissipation
At Rated
Current
(W)
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
4
4
4
4
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Agency Approvals
PS
E
.032
.040
.050
.063
.080
.100
.125
.160
.200
.250
.315
.400
.500
.630
.800
001.
1.25
01.6
002.
02.5
3.15
004.
005.
06.3
008.
010.
12.5
015.
016.
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x*
Temperature Rerating Curve
Average Time Current Curves
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
10000
1000
100
TIME IN SECONDS
10
1
0.1
0.01
0.01
0.1
1
10
100
CURRENT IN AMPERES
218 Series
© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/218.html for current information.
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