DSA75 datasheet(2/2 Pages) IXYS

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DSI

DSA 75

DSAI 75

20170323b

Fig. 6

Transient thermal impedance junction to heatsink

thJH for various conduction angles d:

thJH (K/W)

0.900

180°

1.028

120°

1.085

60°

1.272

30°

1.476

Constants for Z

thJH calculation:

thi (K/W)

i (s)

0.0731

0.0015

0.1234

0.0237

0.4035

0.4838

0.3000

1.5

Fig. 1

Forward characteristics

Fig. 2

Surge overload current

FSM: crest value, t: duration

Fig. 3

I2t versus time (1-10 ms)

Fig. 4

Power dissipation versus forward current and ambient temperature

Fig. 5

Max. forward current at case

temperature

typ.

lim.

VJ= 180°C

VJ=

25°C

VJ = 180°C

VJ = 45°C

50Hz, 80%V

RRM

VJ = 45°C

VJ = 180°C

R = 0 V

180° sin

120°

60°

30°

180° sin

120°

60°

30°

thJA :

1 K/W

1.2 K/W

1.6 K/W

2 K/W

3 K/W

4 K/W

30°

60°

120°

180°

ase

10 4

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