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Varistor Products

MA Varistor Series

Continuous:

Steady State Applied Voltage:

AC Voltage Range (VM(AC)RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 to 264

V

DC Voltage Range (VM(DC)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 to 365

V

Transient:

Peak Pulse Current (ITM)

For 8/20µs Current Wave (See Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 to 100

A

Single Pulse Energy Range

For 10/1000µs Current Wave (WTM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.06 to 1.7

J

Operating Ambient Temperature Range (TA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 85

O

C

Storage Temperature Range (TSTG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 125

O

C

Temperature Coefficient (αV) of Clamping Voltage (VC) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01

Hi-Pot Encapsulation (Isolation Voltage Capability) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000

V

(Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1000

MΩ

Insulation Resistance

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device

at these or any other conditions above those indicated in the operational sections of this specification is not implied.

Device Ratings and Specifications

MA SERIES

UNITS

PART

NUMBER

BRAND

CONTINUOUS

TRANSIENT

VARISTOR VOLTAGE AT

1mA DC TEST

CURRENT

MAX CLAMPING

VOLTAGE

(8/20µs)

TYPICAL

CAPACI-

TANCE

ENERGY

(10/1000µs)

PEAK

CURRENT

(8/20µs)

MIN

MAX

f = 1MHz

(V)

(V)

(J)

(A)

(V)

(V)

(V)

(V)

(pF)

V18MA1A

V18MA1B

V18MA1S

18A

18B

18S

9

10

10

13

14

14

0.06

0.07

0.06

40

40

40

14

15

15

18

18

18

23

21

21

49

44

49

550

550

550

V22MA1A

V22MA1B

V22MA1S

22A

22B

22S

10

14

14

15

18

18

0.09

0.10

0.09

40

40

40

16

19

19

22

22

22

28

26

26

55

51

55

410

410

410

V27MA1A

V27MA1B

V27MA1S

27A

27B

27S

13

17

17

19

22

22

0.10

0.11

0.10

40

40

40

21

24

24

27

27

27

34

31

31

67

59

67

370

370

370

V33MA1A

V33MA1B

V33MA1S

33A

33B

33S

18

20

20

23

26

26

0.13

0.15

0.14

40

40

40

26

29.5

29.5

33

33

33

40

36.5

36.5

73

67

73

300

300

300

V39MA2A

V39MA2B

V39MA2S

39A

39B

39S

22

25

25

28

31

31

0.16

0.18

0.17

40

40

40

31

35

35

39

39

39

47

43

43

86

79

86

250

250

250

V47MA2A

V47MA2B

V47MA2S

47A

47B

47S

27

30

30

34

38

38

0.19

0.21

0.19

40

40

40

37

42

42

47

47

47

57

52

52

99

90

99

210

210

210

V56MA2A

V56MA2B

V56MA2S

56A

56B

56S

32

35

35

40

45

45

0.23

0.25

0.23

40

40

40

44

50

50

56

56

56

68

62

62

117

108

117

180

180

180

V68MA3A

V68MA3B

V68MA3S

68A

68B

68S

38

40

40

48

56

56

0.26

0.30

0.27

40

40

40

54

61

61

68

68

68

82

75

75

138

127

138

150

150

150

V82MA3A

V82MA3B

V82MA3S

82A

82B

82S

45

50

50

60

66

66

0.33

0.37

0.34

40

40

40

65

73

73

82

82

82

99

91

91

163

150

163

120

120

120

Axial Lead