DS17 datasheet(2/2 Pages) IXYS

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10-3

10-2

10-1

100

200

300

400

5 6 7 8 9

110

200

400

600

800

100

1000

0.20.4 0.60.8 1.01.2 1.41.6 1.8

100

102030

100

150

200

10-3

10-2

10-1

100

101

102

FSM

F(AV)M

amb

°C

thJH

K/W

100

150

F(AV)M

°C

DSI

DSA 17

DSAI 17

Fig. 6 Transient thermal impedance junction to heatsink

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 180° sine

thJH for various conduction angles d:

thJH (K/W)

2.10

180

2.23

120

2.33

2.53

2.72

Constants for Z

thJH calculation:

thi (K/W)

i (s)

0.1006

0.0021

0.5311

0.0881

0.8683

2.968

0.600

3.20

typ.

lim.

VJ= 180°C

VJ=

25°C

VJ = 180°C

VJ = 45°C

R = 0 V

thJA :

2.8 K/W

3.2 K/W

4,8 K/W

6.3 K/W

8.5 K/W

Cu 80x80

180° sin

120°

60°

30°

50Hz, 80% V

RRM

VJ = 45°C

VJ = 180°C

ase

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