Datasheet

© 2004 IXYS All rights reserved
4 - 4
419
MCC 26
MCD 26
IXYS reserves the right to change limits, test conditions and dimensions
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature
Fig. 8 Transient thermal impedance
junction to case (per thyristor or
diode)
Fig. 9 Transient thermal impedance
junction to
heatsink (per thyristor
or diode)
R
thJC
for various conduction angles d:
d R
thJC
(K/W)
DC 0.88
180° 0.92
120° 0.95
60° 0.98
30° 1.01
Constants for Z
thJC
calculation:
iR
thi
(K/W) t
i
(s)
1 0.019 0.0031
2 0.029 0.0216
3 0.832 0.191
R
thJK
for various conduction angles d:
d R
thJK
(K/W)
DC 1.08
180° 1.12
120° 1.15
60° 1.18
30° 1.21
Constants for Z
thJK
calculation:
iR
thi
(K/W) t
i
(s)
1 0.019 0.0031
2 0.029 0.0216
3 0.832 0.191
4 0.2 0.45