Owner manual

© 2014 Littelfuse, Inc.
142
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.
Maximum Clamping Voltage for 10mm Parts
V8ZA2(P) - V68ZA3(P)
Maximum Clamping Voltage for 14mm Parts
V82ZA4(P) - V180ZA5(P)
V18ZA3(P) - V68ZA10(P)
FIGURE 5. CLAMPING VOLTAGE FOR V360ZA05(P) - V750ZA05(P) FIGURE 6. CLAMPING VOLTAGE FOR V8ZA1(P) - V68ZA2(P)
FIGURE 7. CLAMPING VOLTAGE FOR V82ZA2(P) - V180ZA1(P) FIGURE 8. CLAMPING VOLTAGE FOR V8ZA2(P) - V68ZA3(P)
FIGURE 9. CLAMPING VOLTAGE FOR V82ZA4(P) - V180ZA5(P) FIGURE 10.CLAMPING VOLTAGE FOR V18ZA3(P) - V68ZA10(P)
3000
2000
1000
500
MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
0.01 0.1 110100 10000.0010.0001
V750ZA05(P)
V715ZA05(P)
V680ZA05(P)
V620ZA05(P)
V470ZA05(P)
V430ZA05(P)
V390ZA05(P)
V360ZA05(P)
MAX CLAMPING VOLTAGE
MODEL SIZE 5mm
360 TO 750V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
500
400
300
200
100
90
80
70
60
50
40
30
20
10
MAXIMUM PEAK VOLTS (V)
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
MAXIMUM CLAMPING VOLTAGE
8 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
PEAK AMPERES (A)
V68ZA2(P)
V56ZA2(P)
V47ZA1(P)
V39ZA1(P)
V33ZA1(P)
V27ZA1(P)
V22ZA1(P)
V12ZA1(P)
V18ZA1(P)
V8ZA1(P)
MODEL SIZE 7mm
MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
10
-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 7mm
82 TO 180V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
10
4
V180ZA1(P)
V150ZA1(P)
V120ZA1(P)
V100ZA3(P)
V82ZA2(P)
500
400
300
200
100
90
80
70
60
50
40
30
20
10
MAXIMUM PEAK VOLTS (V)
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
PEAK AMPERES (A)
V68ZA3(P)
V56ZA3(P)
V47ZA3(P)
V39ZA3(P)
V33ZA2(P)
V27ZA2(P)
V22ZA2(P)
V18ZA2(P)
V8ZA2(P)
V12ZA2(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 10mm
8 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
10
-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 10mm
82 TO 180V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
10
4
V180ZA5(P)
V150ZA4(P)
V120ZA4(P)
V100ZA4(P)
V82ZA4(P)
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
PEAK AMPERES (A)
MAXIMUM PEAK VOLTS (V)
V68ZA10(P)
V56ZA8(P)
V47ZA7(P)
V39ZA6(P)
V33ZA5(P)
V27ZA4(P)
V22ZA3(P)
V18ZA3(P)
MAXIMUM CLAMPING VOLTAGE
18 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
MODEL SIZE 14mm
FIGURE 5. CLAMPING VOLTAGE FOR V360ZA05(P) - V750ZA05(P) FIGURE 6. CLAMPING VOLTAGE FOR V8ZA1(P) - V68ZA2(P)
FIGURE 7. CLAMPING VOLTAGE FOR V82ZA2(P) - V180ZA1(P) FIGURE 8. CLAMPING VOLTAGE FOR V8ZA2(P) - V68ZA3(P)
FIGURE 9. CLAMPING VOLTAGE FOR V82ZA4(P) - V180ZA5(P) FIGURE 10.CLAMPING VOLTAGE FOR V18ZA3(P) - V68ZA10(P)
3000
2000
1000
500
MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
0.01 0.1 110100 10000.0010.0001
V750ZA05(P)
V715ZA05(P)
V680ZA05(P)
V620ZA05(P)
V470ZA05(P)
V430ZA05(P)
V390ZA05(P)
V360ZA05(P)
MAX CLAMPING VOLTAGE
MODEL SIZE 5mm
360 TO 750V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
500
400
300
200
100
90
80
70
60
50
40
30
20
10
MAXIMUM PEAK VOLTS (V)
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
MAXIMUM CLAMPING VOLTAGE
8 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
PEAK AMPERES (A)
V68ZA2(P)
V56ZA2(P)
V47ZA1(P)
V39ZA1(P)
V33ZA1(P)
V27ZA1(P)
V22ZA1(P)
V12ZA1(P)
V18ZA1(P)
V8ZA1(P)
MODEL SIZE 7mm
MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
10
-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 7mm
82 TO 180V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
10
4
V180ZA1(P)
V150ZA1(P)
V120ZA1(P)
V100ZA3(P)
V82ZA2(P)
500
400
300
200
100
90
80
70
60
50
40
30
20
10
MAXIMUM PEAK VOLTS (V)
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
PEAK AMPERES (A)
V68ZA3(P)
V56ZA3(P)
V47ZA3(P)
V39ZA3(P)
V33ZA2(P)
V27ZA2(P)
V22ZA2(P)
V18ZA2(P)
V8ZA2(P)
V12ZA2(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 10mm
8 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
10
-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 10mm
82 TO 180V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
10
4
V180ZA5(P)
V150ZA4(P)
V120ZA4(P)
V100ZA4(P)
V82ZA4(P)
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
PEAK AMPERES (A)
MAXIMUM PEAK VOLTS (V)
V68ZA10(P)
V56ZA8(P)
V47ZA7(P)
V39ZA6(P)
V33ZA5(P)
V27ZA4(P)
V22ZA3(P)
V18ZA3(P)
MAXIMUM CLAMPING VOLTAGE
18 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
MODEL SIZE 14mm
FIGURE 5. CLAMPING VOLTAGE FOR V360ZA05(P) - V750ZA05(P) FIGURE 6. CLAMPING VOLTAGE FOR V8ZA1(P) - V68ZA2(P)
FIGURE 7. CLAMPING VOLTAGE FOR V82ZA2(P) - V180ZA1(P) FIGURE 8. CLAMPING VOLTAGE FOR V8ZA2(P) - V68ZA3(P)
FIGURE 9. CLAMPING VOLTAGE FOR V82ZA4(P) - V180ZA5(P) FIGURE 10.CLAMPING VOLTAGE FOR V18ZA3(P) - V68ZA10(P)
3000
2000
1000
500
MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
0.01 0.1 110100 10000.0010.0001
V750ZA05(P)
V715ZA05(P)
V680ZA05(P)
V620ZA05(P)
V470ZA05(P)
V430ZA05(P)
V390ZA05(P)
V360ZA05(P)
MAX CLAMPING VOLTAGE
MODEL SIZE 5mm
360 TO 750V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
500
400
300
200
100
90
80
70
60
50
40
30
20
10
MAXIMUM PEAK VOLTS (V)
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
MAXIMUM CLAMPING VOLTAGE
8 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
PEAK AMPERES (A)
V68ZA2(P)
V56ZA2(P)
V47ZA1(P)
V39ZA1(P)
V33ZA1(P)
V27ZA1(P)
V22ZA1(P)
V12ZA1(P)
V18ZA1(P)
V8ZA1(P)
MODEL SIZE 7mm
MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
10
-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 7mm
82 TO 180V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
10
4
V180ZA1(P)
V150ZA1(P)
V120ZA1(P)
V100ZA3(P)
V82ZA2(P)
500
400
300
200
100
90
80
70
60
50
40
30
20
10
MAXIMUM PEAK VOLTS (V)
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
PEAK AMPERES (A)
V68ZA3(P)
V56ZA3(P)
V47ZA3(P)
V39ZA3(P)
V33ZA2(P)
V27ZA2(P)
V22ZA2(P)
V18ZA2(P)
V8ZA2(P)
V12ZA2(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 10mm
8 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
10
-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 10mm
82 TO 180V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
10
4
V180ZA5(P)
V150ZA4(P)
V120ZA4(P)
V100ZA4(P)
V82ZA4(P)
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
PEAK AMPERES (A)
MAXIMUM PEAK VOLTS (V)
V68ZA10(P)
V56ZA8(P)
V47ZA7(P)
V39ZA6(P)
V33ZA5(P)
V27ZA4(P)
V22ZA3(P)
V18ZA3(P)
MAXIMUM CLAMPING VOLTAGE
18 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
MODEL SIZE 14mm
V82ZA12(P) - V180ZA10(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
10
0
10
1
10
2
10
3
10
-3
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 14mm
82 TO 180V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
10
4
V180ZA10(P)
V150ZA8(P)
V120ZA6(P)
V100ZA15(P)
V82ZA12(P)
300
200
100
90
80
70
60
50
40
30
20
MAXIMUM PEAK VOLTS (V) MAXIMUM PEAK VOLTS (V)
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
10
-3
10
4
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
18 TO 36V
N(DC)
RATING
T
A
= -55
o
C TO 85
o
C
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
10
0
10
1
10
2
10
4
10
3
1,000
500
300
200
30
PEAK AMPERES (A)
MAXIMUM PEAK VOLTS (V)
V56ZA20(P)
V47ZA20(P)
V39ZA20(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 20mm
T
A
= -55
o
C TO 85
o
C
39 TO 180V
M(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 CURRENT (A)
20 100 1,000 10,000
IMPULSE DURATION (μs)
1
10
10
2
2
10
3
INDEFINITE
10
4
10
5
10
6
MODEL SIZE 5mm
V8ZA05(P)
100
50
20
10
2
1
0.5
0.2
0.1
SURGE CURRENT (A)
20 100 1,000 10,000
INDEFINITE
10
4
10
5
10
6
MODEL SIZE 5mm
V12ZA05(P) - V68ZA05(P)
1
10
10
2
2
10
3
IMPULSE DURATION (μs)
Figure 8 Figure 9
Figure 10 Figure 11