5/7

www.dynexsemi.com

DNB63

Fig.5 Maximum (limit) transient thermal impedance -

junction to case

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

50% V

RRM

at T

case

190˚C)

1

101

2

3

510

20

50

0

20

40

60

80

100

120

10

5

15

ms

Cycles at 50Hz

Duration

2

140

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

0.0210

0.0221

0.0250

0.0280