75HQ... Series
4
Bulletin PD-2.246 rev. C 11/02
www.irf.com
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
Fig. 8 - Unclamped Inductive Test Circuit
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Maximum Non-Repetitive Surge Current
FREE-WHEEL
DIODE
40HFL40S02
CURRENT
MONITOR
HIGH-SPEED
SWITCH
IRFP460
L
DUT
Rg = 25 ohm
Vd = 25 Volt
+
100
110
120
130
140
150
160
170
180
0 20406080100120
DC
Allowable Case Temperature - (°C)
F(AV)
R (DC) = 0.83°C/W
thJC
Average Forward Current - I (A)
0
10
20
30
40
50
60
70
0 20 40 60 80 100 120
DC
Average Power Loss - (Watts)
F(AV)
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
RMS Limit
Average Forward Current - I (A)
1000
10000
10 100 1000 10000
FSM
p
Non-Repetitive Surge Current - I (A)
At Any Rated Load Condition
And With Rated V Applied
Following Surge
RRM
Square Wave Pulse Duration - t (microsec)
