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Document Number: 94538

6

Revision: 13-Aug-08

MTP 3-Phase PbF Rectifier Series

Vishay High Power Products

Three Phase Bridge

(Power Module) 45 A to 100 A

Fig. 15 - Current Rating Nomogram (1 Module Per Heatsink)

Maximum Allowable Ambient Temperature (°C)

Total Output Current (A)

030

60

90

120

150

0.05

K/W

RthSA

=

0.025

K/W

- Delta

R

0.5

K/W

1 K/W

0.3

K/

W

0.2

K/W

0.1

K/W

0

100

200

300

400

500

020

40

60

80

100

120˚

(Rect)

Tj = 150˚C

100MT...P

Square Wave Pulse Duration (s)

0.01

0.1

1

10

0.0001

0.001

0.01

0.1

1

10

Steady State Value

RthJC per junction =

1.6 K/W (40MT...P)

1.38 K/W (70MT...P

1.14 K/W (100MT...P)

DC Operation)

40MT...P

70MT...P

100MT...P