
225CNQ015 Series
PD-2.294 rev. A
12/97
4
www.irf.com
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
Fig. 8 - Unclamped Inductive Test Circuit
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
75
80
85
90
95
100
105
0
40
80
120
160
DC
A
°
AverageForwardCurren - IF(AV)
225CNQ015
thJC
°CW
0
10
20
30
40
50
0
40
80
120
160
DC
A
D= 0.08
D= 0.17
D= 0.25
D= 0.33
D= 0.50
RMSLmt
Average Forward Curren - F(AV)
1000
10000
10
100
1000
10000
F
N
Square Wave Pulse Duration - t p
At Any Rated Load Condition
And With Rated V Applied
Following Surge
FREE-WHEEL
DIODE
40HFL40S02
C URRENT
MONITOR
HIG H-SPEED
SWITC H
IRFP460
L
DUT
Rg = 25 ohm
Vd = 25 Volt
+