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VBO 25
420
Fig. 1 Surge overload current per diode
I
FSM
: Crest value, t: duration
Fig. 3 Max. forward current at case
temperature
Fig. 2 I
2
t versus time (1-10 ms)
per diode
Fig. 4 Power dissipation versus direct output current and ambient temperature
Fig. 5 Transient thermal impedance junction to heatsink per diode
Constants for Z
thJK
calculation:
iR
thi
(K/W) t
i
(s)
1 0.775 0.0788
2 1.390 0.504
3 1.055 3.701