MP02X175 Series
1400
Rth(hs-a) ˚C/W
1200
0.02
1000
0.04
800
0.08
600
0.10
0.12
0.15
400
0.20
0.30
200
0.40
R- Load
L- Load
0
0
20
40
60
80 100 120
0
Maximum ambient temperature - (˚C)
100
200
300
400
D.C. output current - (A)
Fig. 11 50/60Hz single phase bridge dc output current vs power loss and maximum permissible ambient temperature for
various values of heatsink thermal resistance
(Note: Rth(hs-a) values given above are true heatsink thermal resistances to ambient and already account for Rth(c-hs) module contact thermal)
1200
1000
Rth(hs-a) ˚C/W
0.04
0.02
R & L - Load
800
0.08
0.10
600
0.12
0.15
400
0.20
0.30
200
0.40
0
0
20
40
60
80 100 120
0
Maximum ambient temperature - (˚C)
100
200
300
400
D.C. output current - (A)
Fig. 12 50/60Hz 3- phase bridge dc output current vs power loss and maximum permissible ambient temperature for
various values of heatsink thermal resistance
(Note: Rth(hs-a) values given above are true heatsink thermal resistances to ambient and already account for Rth(c-hs) module contact thermal)
6/8
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