4/5

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DS501ST

110

1

2 3 5

10

20

50

0

5

10

15

20

250

150

350

ms

Cycles at 50Hz

Duration

2

450

200

300

400

CURVES

Fig.2 Maximum (limit) forward characteristics

0

500

1000

1500

2000

2500

3000

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

Fig.3 Power dissipation curves

0

100

200

300

400

500

600

700

800

0

100

200

300

400

500

600

700

800

dc

1/2 wave

3 phase

6 phase

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

50% V

RRM

, T

case

= 175˚C)

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

0.070

0.080

0.105

0.1425

Single side

0.140

0.150

0.175

0.2125

Fig.5 Maximum (limit) transient thermal impedance -

junction to case - (˚C/W)