MCC44 IXYS Corporation, MCC44 Datasheet - Page 4

• Manufacturer Part Number: MCC44
• Description: Thyristor Modules Thyristor/diode Modules
• Manufacturer: IXYS Corporation

4 - 4
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Fig. 7 Three phase AC-controller:
Fig. 8 Transient thermal impedance
R
Constants for Z
Fig. 9 Transient thermal impedance
R
Constants for Z
thJC
thJK
d
1
2
3
d
1
2
3
4
DC
DC
i
i
180°
120°
180°
120°
60°
30°
60°
30°
for various conduction angles d:
for various conduction angles d:
Power dissipation versus RMS
output current and ambient
temperature
junction to case (per thyristor or
diode)
junction to heatsink (per thyristor
or diode)
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R
0.015
0.026
0.489
R
0.015
0.026
0.489
0.2
thi
thi
R
0.53
0.55
0.58
0.6
0.62
thJC
(K/W)
R
0.73
0.75
0.78
0.8
0.82
(K/W)
thJK
thJC
thJK
calculation:
calculation:
(K/W)
(K/W)
MCC44
MCD44
t
0.0035
0.02
0.195
t
0.0035
0.02
0.195
0.68
i
i
(s)
(s)