10BQ015
Bulletin PD-2.396 rev. I 07/04
100
Allowable Case Temperature - (°C)
0.5
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
RMS Limit
DC
80
DC
Average Power Loss - (Watts)
0.4
0.3
60
Square wave (D = 0.50)
80% Rated V applied
R
0.2
0.1
see note (2)
40
0
0.3
0.6
0.9
1.2
1.5
0
0
0.3
0.6
0.9
1.2
1.5
Average Forward Current - I
F
(AV)
(A)
Fig. 6 - Forward Power Loss
Characteristics
Average Forward Current - I
F
(AV)
(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
1000
Non-Repetitive Surge Current - I
FSM
(A)
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
100
10
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Max. Non-Repetitive Surge Current
(2)
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/
D) (see Fig. 6);
Pd
REV
= Inverse Power Loss = V
R1
x I
R
(1 - D); I
R
@ V
R1
= 80% rated V
R
4
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