303CNQ... Series
4
Bulletin PD-2.234 rev. E 05/02
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)
120
130
140
150
160
170
180
0 40 80 120 160 200 240
DC
303CNQ
R (DC) = 0.30°C/W
thJC
0
25
50
75
100
125
150
0 40 80 120 160 200 240
DC
D = 0. 08
D = 0. 17
D = 0. 25
D = 0. 33
D = 0. 50
RMS Li mit
1000
10000
100000
10 100 1000 10000
At Any Rated Load Condition
And With Rated V Applied
Following Surge
RRM
FREE-WHEEL
DIOD E
40HFL40S02
CURRENT
MONITOR
HIGH-SPEED
SW ITCH
IRFP460
L
DUT
Rg = 25 ohm
Vd = 25 Volt
+
Average Forward Current - IF
(AV)
(A)
Allowable Case Temperature (°C)
Average Forward Current - IF
(AV)
(A)
Average Power Loss (Watts)
Square Wave Pulse Duration - t
p
(microsec)
Non-Repetitive Surge Current - I
FSM
(A)
