Datasheet

30WQ03FN
Bulletin PD-20559 rev. E 03/03
4
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Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Maximum 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
10
100
1000
10 100 1000 10000
FSM
Non-Repetitive Surge Current - I (A)
p
Square Wave Pulse Duration - t (microsec)
At Any Rated Load Condition
And With Rated V Applied
Following Surge
RRM
120
125
130
135
140
145
150
00.511.522.533.544.555.5
DC
Allowable Case Temperature - (°C)
F( A V )
se e note ( 2)
Square wave (D = 0.50)
80% Rated V applied
R
Average Forward Current - I (A)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
012345
DC
Average Power Loss - (Watts)
F( A V )
RM S Li m it
Average Forward Current - I (A)
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75