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 = 385 V

B72232B0381K001

B32K385

385

505

25000

550

1.2

B72240B0381K001

B40K385

385

505

40000

800

1.4

B72260B0381K001

B60K385

385

505

70000

1200

1.6

B72280B0381K001

B80K385

385

505

100000

2000

2.0

VRMS = 420 V

B72232B0421K001

B32K420

420

560

25000

600

1.2

B72240B0421K001

B40K420

420

560

40000

910

1.4

B72260B0421K001

B60K420

420

560

70000

1500

1.6

B72280B0421K001

B80K420

420

560

100000

2200

2.0

VRMS = 440 V

B72232B0441K001

B32K440

440

585

25000

630

1.2

B72240B0441K001

B40K440

440

585

40000

950

1.4

B72260B0441K001

B60K440

440

585

70000

1580

1.6

B72280B0441K001

B80K440

440

585

100000

2350

2.0

VRMS = 460 V

B72232B0461K001

B32K460

460

615

25000

660

1.2

B72240B0461K001

B40K460

460

615

40000

1000

1.4

B72260B0461K001

B60K460

460

615

70000

1650

1.6

B72280B0461K001

B80K460

460

615

100000

2500

2.0

VRMS = 550 V

B72232B0551K001

B32K550

550

745

25000

620

1.2

B72240B0551K001

B40K550

550

745

40000

960

1.4

B72260B0551K001

B60K550

550

745

70000

1500

1.6

B72280B0551K001

B80K550

550

745

100000

3100

2.0

VRMS = 680 V

B72232B0681K001

B32K680

680

895

25000

760

1.2

B72240B0681K001

B40K680

680

895

40000

1100

1.4

B72260B0681K001

B60K680

680

895

70000

1800

1.6

B72280B0681K001

B80K680

680

895

100000

3600

2.0

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

Block varistors

B722*

HighE series

Page 5 of 22

Please read Cautions and warnings and

Important notes at the end of this document.