PSKT310 datasheet(4/4 Pages) POWERSEM

4 / 4 page

 2002 POWERSEM reserves the right to change limits, test conditions and dimensions

POWERSEM GmbH, Walpersdorfer Str. 53

D - 91126 Schwabach

Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20

Fig. 7 Three phase AC-controller:

Power dissipation versus RMS

output current and ambient

temperature

10-3

10-2

10-1

100

101

102

0.00

0.05

0.10

0.15

0.20

10-3

10-2

10-1

100

101

102

0.00

0.05

0.10

0.15

thJK

K/W

thJC

K/W

30°

Fig. 8 Transient thermal impedance

junction to case (per thyristor or

diode)

Fig. 9 Transient thermal impedance

junction to heatsink (per thyristor

or diode)

thJC for various conduction angles d:

thJC (K/W)

0.112

180°C

0.113

120°C

0.114

60°C

0.115

30°C

0.115

Constants for Z

thJC calculation:

thi (K/W)

i (s)

0.003

0.099

0.0143

0.168

0.0947

0.456

thJK for various conduction angles d:

thJK (K/W)

0.152

180°C

0.154

120°C

0.154

60°C

0.155

30°C

0.155

Constants for Z

thJK calculation:

thi (K/W)

i (s)

0.003

0.099

0.0143

0.168

0.0947

0.456

0.04

1.36

Circuit

W 3

3xPSKT 310 or

3xPSKH 310

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