Varistor Products

©2010 Littelfuse, Inc.

Revision: September 22, 2010

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 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)

300

200

100

90

80

70

60

50

40

30

20

PEAK AMPERES (A)

MAXIMUM CLAMPINGVOLTAGE

MODEL SIZE 20mm

V36ZA20(P) V36ZA80(P)

V33ZA20(P) V33ZA70(P)

V27ZA60(P) V27ZA60(P)

V24ZA50(P) V24ZA50(P)

V18ZA40P(P) V18ZA40P(P)

1,000

500

300

200

30

PEAK AMPERES (A)

V56ZA20(P)

V47ZA20(P)

V39ZA20(P)

MAXIMUM CLAMPINGVOLTAGE

MODEL SIZE 20mm

V180ZA20(P)

V150ZA20(P)

V120ZA20(P)

100

50

V68ZA20(P)

50

20

10

5

2

1

0.5

0.2

0.1

20

100

1,000

10,000

IMPULSE DURATION (μs)

1

10

2

INDEFINITE

MODEL SIZE 5mm

V8ZA05(P)

100

50

20

10

2

1

0.5

0.2

0.1

20

100

1,000

10,000

INDEFINITE

MODEL SIZE 5mm

V12ZA05(P) - V68ZA05(P)

1

10

2

IMPULSE DURATION (μs)

50

20

10

5

2

1

0.5

0.2

20

100

1,000

10,000

IMPULSE DURATION (

μs)

1

10

2

INDEFINITE

MODEL SIZE 5mm

V82ZA05(P) - V750ZA05(P)

500

200

100

Figure 11

Figure 12

Figure 13

Figure 14

Figure 15