DS402ST

5/7

1

101

2 3 510 20

50

0

2

4

6

8

10

12

60

70

50

80

90

ms

Cycles at 50Hz

Duration

2

100

I

2

t

10

1

0.1

0.01

0.001

Time - (s)

1.0

0.1

0.01

0.001

Double side cooled

Anode side cooled

Conduction

d.c.

Halfwave

3 phase 120˚

6 phase 60˚

Effective thermal resistance

Junction to case ˚C/W

Double side

0.08

0.09

0.12

-

Single side

0.16

0.17

0.20

-

Fig. 3 Surge (non-repetitive) forward current vs time (with 50% V

RRM

, T

case

= 175˚C)

Fig. 4 Transient thermal impedance - junction to case - (˚C/W)