Electrical specifications and ordering codes

Maximum ratings (TA = 85

°C)

Ordering code

Type

SIOV-

VRMS

V

VDC

V

imax

(8/20 µs)

A

Wmax

(2 ms)

J

Pmax

W

VRMS =

75 V

B72240B0750K001

B40K75

75

100

25000

190

1.4

VRMS = 130 V

B72232B0131K001

B32K130

130

170

25000

210

1.2

B72240B0131K001

B40K130

130

170

40000

310

1.4

B72260B0131K001

B60K130

130

170

70000

490

1.6

B72280B0131K001

B80K130

130

170

100000

660

2.0

VRMS = 150 V

B72232B0151K001

B32K150

150

200

25000

240

1.2

B72240B0151K001

B40K150

150

200

40000

360

1.4

B72260B0151K001

B60K150

150

200

70000

570

1.6

B72280B0151K001

B80K150

150

200

100000

800

2.0

VRMS = 230 V

B72232B0231K001

B32K230

230

300

25000

300

1.2

B72240B0231K001

B40K230

230

300

40000

460

1.4

B72260B0231K001

B60K230

230

300

70000

730

1.6

B72280B0231K001

B80K230

230

300

100000

1200

2.0

VRMS = 250 V

B72232B0251K001

B32K250

250

320

25000

330

1.2

B72240B0251K001

B40K250

250

320

40000

490

1.4

B72260B0251K001

B60K250

250

320

70000

800

1.6

B72280B0251K001

B80K250

250

320

100000

1300

2.0

VRMS = 275 V

B72232B0271K001

B32K275

275

350

25000

360

1.2

B72240B0271K001

B40K275

275

350

40000

550

1.4

B72260B0271K001

B60K275

275

350

70000

860

1.6

B72280B0271K001

B80K275

275

350

100000

1400

2.0

VRMS = 320 V

B72232B0321K001

B32K320

320

420

25000

430

1.2

B72240B0321K001

B40K320

320

420

40000

640

1.4

B72260B0321K001

B60K320

320

420

70000

1000

1.6

B72280B0321K001

B80K320

320

420

100000

1600

2.0

Varistor elements without plastic housing (suitable for soldering) are available upon request.

Block varistors

B722*

HighE series

Page 3 of 22

Please read Cautions and warnings and

Important notes at the end of this document.