Littelfuse ZA Varistor Series - Manual (Page 7)

© 2014 Littelfuse, Inc. 143
Revised: February 13, 2014
Varistor Products
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 S
eries
Maximum Clamping Voltage for 20mm Parts
V18ZA20(P) - V36ZA80(P)
Repetitive Surge Capability for 5mm Parts
V39ZA20(P) - V180ZA20(P)
V8ZA05(P) V12ZA05(P) - V68ZA05(P)
V82ZA05(P) - V750ZA05(P)
FIGURE 11. CLAMPING VOLTAGE FOR V82ZA12(P) - V180ZA10(P) FIGURE 12. CLAMPING VOLTAGE FOR V18ZA40(P) - V36ZA80(P)
FIGURE 13. CLAMPING VOLTAGE FOR V39ZA20(P) - V180ZA20(P)
Transient V-I Characteristic Curves
(Continued)
PEAK AMPERES (A)
10-2 10-1 100 101 102 103 10-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 14mm
82 TO 180VN(DC) RATING
TA = -55oC TO 85oC
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
104
V180ZA10(P)
V150ZA8(P)
V120ZA6(P)
V100ZA15(P)
V82ZA12(P)
300
200
100
90
80
70
60
50
40
30
20
MAXIMUM PEAK
VO
LTS (V)
MAXIMUM PEAK
VO
LTS (V)
PEAK AMPERES (A)
10-2 10-1 100 101 102 103 10-3 104
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
18 TO 36VN(DC) RATING
TA = -55oC TO 85oC
V36ZA20(P) V36ZA80(P)
V33ZA20(P) V33ZA70(P)
V27ZA60(P) V27ZA60(P)
V24ZA50(P) V24ZA50(P)
V18ZA40P(P) V18ZA40P(P)
10-3 10-2 10-1 100 101 102 104 103
1,000
500
300
200
30
PEAK AMPERES (A)
MAXIMUM PEAK
VO
LTS (V)
V56ZA20(P)
V47ZA20(P)
V39ZA20(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
TA = -55oC TO 85oC
39 TO 180VM(AC) RATING
V180ZA20(P)
V150ZA20(P)
V120ZA20(P)
100
50
V68ZA20(P)
Pulse Rating Curves
FIGURE 14. SURGE CURRENT RATING CURVES FOR V8ZA05 (P) FIGURE 15. SURGE CURRENT RATING CURVES FOR
V12ZA05(P) - V68ZA05(P)
50
20
10
5
2
1
0.5
0.2
0.1
SURGE CURREN
T (A)
20 100 1,000 10,000
IMPULSE DURATION (μs)
1
10
102
2
103
INDEFINITE
104
105
106
MODEL SIZE 5mm
V8ZA05(P)
100
50
20
10
2
1
0.5
0.2
0.1
SURGE CURREN
T (A)
20 100 1,000 10,000
INDEFINITE
104
105
106
MODEL SIZE 5mm
V12ZA05(P) - V68ZA05(P)
1
10
102
2
103
IMPULSE DURATION (μs)
FIGURE 11. CLAMPING VOLTAGE FOR V82ZA12(P) - V180ZA10(P) FIGURE 12. CLAMPING VOLTAGE FOR V18ZA40(P) - V36ZA80(P)
FIGURE 13. CLAMPING VOLTAGE FOR V39ZA20(P) - V180ZA20(P)
Transient V-I Characteristic Curves
(Continued)
PEAK AMPERES (A)
10-2 10-1 100 101 102 103 10-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 14mm
82 TO 180VN(DC) RATING
TA = -55oC TO 85oC
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
104
V180ZA10(P)
V150ZA8(P)
V120ZA6(P)
V100ZA15(P)
V82ZA12(P)
300
200
100
90
80
70
60
50
40
30
20
MAXIMUM PEAK
VO
LTS (V)
MAXIMUM PEAK
VO
LTS (V)
PEAK AMPERES (A)
10-2 10-1 100 101 102 103 10-3 104
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
18 TO 36VN(DC) RATING
TA = -55oC TO 85oC
V36ZA20(P) V36ZA80(P)
V33ZA20(P) V33ZA70(P)
V27ZA60(P) V27ZA60(P)
V24ZA50(P) V24ZA50(P)
V18ZA40P(P) V18ZA40P(P)
10-3 10-2 10-1 100 101 102 104 103
1,000
500
300
200
30
PEAK AMPERES (A)
MAXIMUM PEAK
VO
LTS (V)
V56ZA20(P)
V47ZA20(P)
V39ZA20(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
TA = -55oC TO 85oC
39 TO 180VM(AC) RATING V180ZA20(P)
V150ZA20(P)
V120ZA20(P)
100
50
V68ZA20(P)
Pulse Rating Curves
FIGURE 14. SURGE CURRENT RATING CURVES FOR V8ZA05 (P) FIGURE 15. SURGE CURRENT RATING CURVES FOR
V12ZA05(P) - V68ZA05(P)
50
20
10
5
2
1
0.5
0.2
0.1
SURGE CURREN
T (A)
20 100 1,000 10,000
IMPULSE DURATION (μs)
1
10
102
2
103
INDEFINITE
104
105
106
MODEL SIZE 5mm
V8ZA05(P)
100
50
20
10
2
1
0.5
0.2
0.1
SURGE CURREN
T (A)
20 100 1,000 10,000
INDEFINITE
104
105
106
MODEL SIZE 5mm
V12ZA05(P) - V68ZA05(P)
1
10
102
2
103
IMPULSE DURATION (μs)
FIGURE 11. CLAMPING VOLTAGE FOR V82ZA12(P) - V180ZA10(P) FIGURE 12. CLAMPING VOLTAGE FOR V18ZA40(P) - V36ZA80(P)
FIGURE 13. CLAMPING VOLTAGE FOR V39ZA20(P) - V180ZA20(P)
Transient V-I Characteristic Curves
(Continued)
PEAK AMPERES (A)
10-2 10-1 100 101 102 103 10-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 14mm
82 TO 180VN(DC) RATING
TA = -55oC TO 85oC
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
104
V180ZA10(P)
V150ZA8(P)
V120ZA6(P)
V100ZA15(P)
V82ZA12(P)
300
200
100
90
80
70
60
50
40
30
20
MAXIMUM PEAK
VO
LTS (V)
MAXIMUM PEAK
VO
LTS (V)
PEAK AMPERES (A)
10-2 10-1 100 101 102 103 10-3 104
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
18 TO 36VN(DC) RATING
TA = -55oC TO 85oC
V36ZA20(P) V36ZA80(P)
V33ZA20(P) V33ZA70(P)
V27ZA60(P) V27ZA60(P)
V24ZA50(P) V24ZA50(P)
V18ZA40P(P) V18ZA40P(P)
10-3 10-2 10-1 100 101 102 104 103
1,000
500
300
200
30
PEAK AMPERES (A)
MAXIMUM PEAK
VO
LTS (V)
V56ZA20(P)
V47ZA20(P)
V39ZA20(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
TA = -55oC TO 85oC
39 TO 180VM(AC) RATING
V180ZA20(P)
V150ZA20(P)
V120ZA20(P)
100
50
V68ZA20(P)
Pulse Rating Curves
FIGURE 14. SURGE CURRENT RATING CURVES FOR V8ZA05 (P) FIGURE 15. SURGE CURRENT RATING CURVES FOR
V12ZA05(P) - V68ZA05(P)
50
20
10
5
2
1
0.5
0.2
0.1
SURGE CURREN
T (A)
20 100 1,000 10,000
IMPULSE DURATION (μs)
1
10
102
2
103
INDEFINITE
104
105
106
MODEL SIZE 5mm
V8ZA05(P)
100
50
20
10
2
1
0.5
0.2
0.1
SURGE CURREN
T (A)
20 100 1,000 10,000
INDEFINITE
104
105
106
MODEL SIZE 5mm
V12ZA05(P) - V68ZA05(P)
1
10
102
2
103
IMPULSE DURATION (μs)
FIGURE 11. CLAMPING VOLTAGE FOR V82ZA12(P) - V180ZA10(P) FIGURE 12. CLAMPING VOLTAGE FOR V18ZA40(P) - V36ZA80(P)
FIGURE 13. CLAMPING VOLTAGE FOR V39ZA20(P) - V180ZA20(P)
Transient V-I Characteristic Curves
(Continued)
PEAK AMPERES (A)
10-2 10-1 100 101 102 103 10-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 14mm
82 TO 180VN(DC) RATING
TA = -55oC TO 85oC
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
104
V180ZA10(P)
V150ZA8(P)
V120ZA6(P)
V100ZA15(P)
V82ZA12(P)
300
200
100
90
80
70
60
50
40
30
20
MAXIMUM PEAK
VO
LTS (V)
MAXIMUM PEAK
VO
LTS (V)
PEAK AMPERES (A)
10-2 10-1 100 101 102 103 10-3 104
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
18 TO 36VN(DC) RATING
TA = -55oC TO 85oC
V36ZA20(P) V36ZA80(P)
V33ZA20(P) V33ZA70(P)
V27ZA60(P) V27ZA60(P)
V24ZA50(P) V24ZA50(P)
V18ZA40P(P) V18ZA40P(P)
10-3 10-2 10-1 100 101 102 104 103
1,000
500
300
200
30
PEAK AMPERES (A)
MAXIMUM PEAK
VO
LTS (V)
V56ZA20(P)
V47ZA20(P)
V39ZA20(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
TA = -55oC TO 85oC
39 TO 180VM(AC) RATING V180ZA20(P)
V150ZA20(P)
V120ZA20(P)
100
50
V68ZA20(P)
Pulse Rating Curves
FIGURE 14. SURGE CURRENT RATING CURVES FOR V8ZA05 (P) FIGURE 15. SURGE CURRENT RATING CURVES FOR
V12ZA05(P) - V68ZA05(P)
50
20
10
5
2
1
0.5
0.2
0.1
SURGE CURREN
T (A)
20 100 1,000 10,000
IMPULSE DURATION (μs)
1
10
102
2
103
INDEFINITE
104
105
106
MODEL SIZE 5mm
V8ZA05(P)
100
50
20
10
2
1
0.5
0.2
0.1
SURGE CURREN
T (A)
20 100 1,000 10,000
INDEFINITE
104
105
106
MODEL SIZE 5mm
V12ZA05(P) - V68ZA05(P)
1
10
102
2
103
IMPULSE DURATION (μs)
FIGURE 16. SURGE CURRENT RATING CURVES FOR
V82ZA05(P) - V750ZA05(P)
FIGURE 17. SURGE CURRENT RATING CURVES FOR
V8ZA1(P) - V12ZA1(P)
FIGURE 18. SURGE CURRENT RATING CURVES FOR
V18ZA1(P) - V68ZA2(P)
FIGURE 19. SURGE CURRENT RATING CURVES FOR
V82ZA2(P) - V180ZA1(P)
FIGURE 20. SURGE CURRENT RATING CURVES FOR
V8ZA2(P) - V127ZA2(P)
FIGURE 21. SURGE CURRENT RATING CURVES FOR
V18ZA2(P) - V68ZA3(P)
50
20
10
5
2
1
0.5
0.2
SURGE CURRENT (A)
20 100 1,000 10,000
IMPULSE DURATION ( µs)
1
10
102
2
103
INDEFINITE
104
105
106
MODEL SIZE 5mm
V82ZA05(P) - V750ZA05(P)
500
200
100
20 100 1,000 10,000
IMPULSE DURATION ( µs)
SURGE CURRENT (A)
1
10
102
2
103
INDEFINITE
104
105
106
200
100
50
20
10
5
2
1
0.5
0.2
MODEL SIZE 7mm
V8ZA1(P) - V12ZA1(P)
20 100 1,000 10,000
IMPULSE DURATION ( µs)
SURGE CURRENT (A)
1
10
102
2
103
INDEFINITE
500
200
100
50
20
10
2
1
0.5
0.2
104
105
106
5
MODEL SIZE 7mm
V18ZA1(P) - V68ZA2(P)
2,000
1,000
200
100
50
20
10
5
1
2
500
20 100 1,000 10,000
IMPULSE DURATION ( µs)
SURGE CURRENT (A)
1
2
10
102
104
105
106
103
INDEFINITE
MODEL SIZE 7mm
V82ZA2(P) - V180ZA1(P)
20 100 1,000 10,000
IMPULSE DURATION ( µs)
SURGE CURRENT (A)
1
10
102
2
103
INDEFINITE
500
200
100
50
20
10
2
1
0.5
0.2
104
105
106
5
MODEL SIZE 10mm
V8ZA2(P) - V12ZA2(P)
1,000
500
100
50
20
10
5
1
2
200
20
SURGE CURRENT (A)
1
2
105
106
104
INDEFINITE
MODEL SIZE 10mm
V18ZA2(P) - V68ZA3(P)
100 1,000 10,000
IMPULSE DURATION ( µs)
102
103
Figure 11 Figure 12
Figure 13 Figure 14
Figure 15