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Document Number: 93564

2

Revision: 17-Jun-08

MB High Voltage Series

Vishay High Power Products

Single Phase Bridge

(Power Modules), 25 A/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

√t

0.1

≤ t

5.6

11.3

√s

Low level of threshold voltage

(16.7 % x

π x I

0.70

0.74

V

High level of threshold voltage

(I >

π x I

0.75

0.79

Low level forward slope resistance

(16.7 % x

π x I

7.0

5.5

m

Ω

High level forward slope resistance

(I >

π x I

6.4

5.2

Maximum forward voltage drop

(26MB)

1.25

1.3

V

(36MB)

Maximum DC reverse current per diode

10

10

µA

RMS isolation voltage base plate

f = 50 Hz, t = 1 s

2700

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

1.35

K/W

Maximum thermal resistance,

case to heatsink

Mounting surface, smooth, flat and greased

0.2

Mounting torque ± 10 %

Bridge to heatsink

2.0

Nm

Approximate weight

20

g