122NQ030
Bulletin PD-2.274 rev. B 03/01
4
www.irf.com
Fig. 8 - Unclamped Inductive Test Circuit
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Maximum Non-Repetitive Surge Current
0
10
20
30
40
50
60
70
80
0 25507510012515017
DC
Average Power Loss - (Watts)
F( AV)
D = 0. 08
D = 0. 17
D = 0. 25
D = 0. 33
D = 0. 50
RMS Li mit
Average Forward Current - I (A)
110
120
130
140
150
160
0 25 50 75 100 125 150 17
DC
Al l o wable Case Temperature - (°C)
Average Forward Current - I (A)
F(AV)
122NQ030
R (DC) = 0. 40°C/ W
thJC
1000
10000
100000
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)
FREE-WHEEL
DIODE
40HFL40S02
CURRENT
MONITOR
HIGH-SPEED
SW ITC H
IRFP460
L
DUT
Rg = 25 ohm
Vd = 25 Volt
+
