Varistor Products
©2012 Littelfuse, Inc.
Revision: February 9, 2012
ZA Varistor Series
Radial Lead Varistors > ZA Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/za.html for current information.
ZA Series
Repetitive Surge Capability for 14mm Parts
V18ZA3(P) - V68ZA10(P)
V82ZA12(P) - V180ZA10(P)
200
100
50
20
10
5
1
2
20 100 1,000 10,000
IMPULSE DURATION ( μs)
SURGE CURRENT (A)
1
2
10
10
2
10
4
10
5
10
6
10
3
INDEFINITE
1,000
500
MODEL SIZE 14mm
V18ZA3(P) - V68ZA10(P)
5,000
2,000
200
100
50
20
10
5
2
500
20 100 1,000 10,000
IMPULSE DURATION ( μs)
SURGE CURRENT (A)
1
2
10
10
4
10
5
10
6
10
3
INDEFINITE
1,000
10
2
MODEL SIZE 14mm
V82ZA12(P) - V180ZA10(P)
V120ZA20(P) - V180ZA20(P)
10,0001,000100
20
IMPULSE DURATION ( μs)
SURGE CURRENT (A)
5,000
10,000
2,000
500
100
20
10
2
1,000
200
50
1
5
1
2
10
10
2
10
3
10
4
10
5
10
6
INDEFINITE
MODEL SIZE 20mm
V120ZA20(P) - V180ZA20(P)
V18ZA40(P) - V68ZA20(P)
2,000
200
100
50
20
10
5
2
500
20 100 1,000 10,000
IMPULSE DURATION ( μs)
SURGE CURRENT (A)
1
2
10
1,000
10
2
10
3
10
4
10
5
10
6
INDEFINITE
MODEL SIZE 20mm
V18ZA40(P) - V68ZA20(P)
/05&*GQVMTFSBUJOHTBSFFYDFFEFEBTIJGUPG7
/%$
(at specified current) of more then +/-10% could result. This type of shift, which normally results
in a decrease of V
/%$
, may result in the device not meeting the original published specifications, but does not prevent the device from continuing to
function, and to provide ample protection.
Repetitive Surge Capability for 20mm Parts
Figure 21 Figure 22
Figure 23 Figure 24
