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Varistor Products

©2008 Littelfuse, Inc.

Revision: January 9, 2009

MA Varistor Series

Axial Lead / Application Specific Varistors > MA Series

Specifications are subject to change without notice.

Please refer to www.littelfuse.com/series/ma.html for current information.

MA Series Ratings & Specifications

Part

Number

Brand

(mm)

Maximum Rating (85°C)

Specifications (25°C)

Continuous

Transient

Varistor Voltage at 1mA

DCTest Current

Max Clamping

Volt V

(8/20μs)

Typical

Capacitance

V

RMS

V

DC

Energy

(10/1000μs)

Peak

Current

(8/20μs)

V

M(AC)

V

M(DC)

W

TM

I

TM

Min

V

N(DC)

Max

V

C

f = 1MHz

(V)

(V)

(J)

(A)

(V)

(V)

(V)

(A)

(pF)

V18MA1A

V18MA1A

V18MA1A

18A

18B

18C

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

V100MA4A

V100MA4B

V100MA4S

100

101

102

57

60

60

72

81

81

0.40

0.45

0.42

40

40

40

80

90

90

100

100

100

120

110

110

200

185

200

100

100

100

V120MA1A

V120MA2B

V120MA2S

120

121

122

72

75

75

97

101

101

0.40

0.50

0.46

100

100

100

102

108

108

120

120

120

138

132

132

220

205

220

40

40

40

V150MA1A

V150MA2B

150

151

88

92

121

127

0.50

0.60

100

100

127

135

150

150

173

165

255

240

32

32

V180MA1A

V180MA3B

180

181

105

110

144

152

0.60

0.70

100

100

153

162

180

180

207

198

310

290

27

27

V220MA2A

V220MA4B

220

221

132

138

181

191

0.80

0.90

100

100

187

198

220

220

253

242

380

360

21

21

V270MA2A

V270MA4B

270

271

163

171

224

235

0.90

1.00

100

100

229

243

270

270

311

297

460

440

17

17

V330MA2A

V330MA5B

330

331

188

200

257

274

1.00

1.10

100

100

280

297

330

330

380

363

570

540

14

14

V390MA3A

V390MA6B

390

391

234

242

322

334

1.20

1.30

100

100

331

351

390

390

449

429

670

640

12

12

V430MA3A

V430MA7B

430

431

253

264

349

365

1.50

1.70

100

100

365

387

430

430

495

473

740

700

11

11

NOTE: Average power dissipation of transients not to exceed 200mW.