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DNB64

Fig.5 Maximum (limit) transient thermal impedance -

junction to case

Fig.4 Surge (non-repetitive) forward current vs time

(at T

case

175˚C)

110

1

2

3

5

10

20

50

0

10

20

30

40

50

60

ms

Cycles at 50Hz

Duration

2

0

1

2

3

4

5

10

1

0.1

0.01

0.001

Time - (s)

0.1

0.01

0.001

0.0001

Double side cooled

Anode side cooled

100

Conduction

d.c.

Halfwave

3 phase 120˚

6 phase 60˚

Effective thermal resistance

Junction to case ˚C/W

Double side

0.0130

0.0141

0.0170

0.0200

Anode side

0.0250

0.0261

0.0290

0.0320