MDD72 IXYS Corporation, MDD72 Datasheet - Page 3

• Manufacturer Part Number: MDD72
• Description: Diode Modules
• Manufacturer: IXYS Corporation

© 2000 IXYS All rights reserved
Fig. 5 Three phase rectifier bridge:
Fig. 6 Transient thermal impedance
R
Constants for Z
Fig. 7 Transient thermal impedance
R
Constants for Z
thJC
thJK
1
2
3
1
2
3
4
i
i
180°
120°
180°
120°
DC
DC
for various conduction angles d:
for various conduction angles d:
d
60°
30°
d
60°
30°
Power dissipation versus direct
output current and ambient
temperature
junction to case (per diode)
junction to heatsink (per diode)
R
0.013
0.072
0.265
R
0.013
0.072
0.265
0.2
thi
thi
thJC
thJK
R
0.35
0.37
0.39
0.43
0.47
R
0.55
0.57
0.59
0.63
0.67
(K/W)
(K/W)
thJC
thJK
calculation:
calculation:
(K/W)
(K/W)
MDD 72
MDA 72
t
0.0014
0.062
0.375
t
0.0014
0.062
0.375
1.32
i
i
(s)
(s)
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