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Document Number: 93563

2

Revision: 27-Jun-08

MB Series

Vishay High Power Products

Single Phase Bridge

(Power Modules), 25/35 A

FORWARD CONDUCTION

PARAMETER

SYMBOL

TEST CONDITIONS

26MB-A

36MB-A

UNITS

Maximum DC output current

at case temperature

Resistive or inductive load

25

35

A

Capacitive load

20

28

65

60

°C

Maximum peak, one-cycle

non-repetitive forward current

t = 10 ms

No voltage

reapplied

400

475

A

t = 8.3 ms

420

500

t = 10 ms

reapplied

335

400

t = 8.3 ms

350

420

t = 10 ms

No voltage

reapplied

790

1130

t = 8.3 ms

725

1030

t = 10 ms

reapplied

560

800

t = 8.3 ms

512

730

√t for fusing

5.6

11.3

√s

Low level value of threshold voltage

(16.7 % x

π x I

0.76

0.79

V

High level value of threshold voltage

(I >

π x I

0.92

0.96

Low level forward slope resistance

(16.7 % x

π x I

6.8

5.8

m

Ω

High level forward slope resistance

(I >

π x I

5.0

4.5

Maximum forward voltage drop

1.11

1.14

V

Maximum DC reverse current

10

µA

RMS isolation voltage base plate

f = 50 Hz, t = 1 s

2700

V

THERMAL AND MECHANICAL SPECIFICATIONS

PARAMETER

SYMBOL

TEST CONDITIONS

26MB-A

36MB-A

UNITS

Junction and storage

temperature range

- 55 to 150

°C

Maximum thermal resistance

junction to case per bridge

1.7

1.2

K/W

Maximum thermal resistance,

case to heatsink

Mounting surface, smooth, flat and greased

0.2

Approximate weight

20

g

Mounting torque ± 10 %

Bridge to heatsink

2.0

Nm