100BGQ100, 100BGQ100J
Bulletin PD-20999 rev. B 12/02
180
Allowable Case Temperature - (°C)
Average Power Loss - (Watts)
120
100
80
60
40
20
0
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
RMS Limit
DC
170
160
150
140
130
120
110
100
0
Square wave (D = 0.50)
80% Rated V
R
applied
see note (3)
DC
20
40
60
80
100 120 140 160
0
20
40
60
80
100 120 140 160
Average Forward Current - I
F(AV)
(A)
Average Forward Current - I
F(AV)
(A)
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
Non-Repetitive Surge Current - I
FSM
(A)
10000
Fig. 6 - Forward Power Loss Characteristics
1000
At Any Rated Load Condition
And With Rated V
RRM
Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L
HIGH-SPEED
SWITCH
FREE-WHEEL
DIODE
40HFL40S02
+
DUT
IRFP460
Rg = 25 ohm
Vd = 25 Volt
CURRENT
MONITOR
Fig. 8 - Unclamped Inductive Test Circuit
(3)
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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