Datasheet

20CTQ... Series
4
Bulletin PD-20056 rev. A 12/01
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)
145
150
155
160
165
170
175
180
05101
5
DC
Al l owabl e Case Temperature - (°C)
Average Forward Current - I (A)
F( AV)
20CTQ
R (DC) = 3.25°C/W
thJC
0
1
2
3
4
5
6
7
8
9
05101
5
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)
100
1000
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
SWITCH
IRFP460
L
DUT
Rg = 25 ohm
Vd = 25 Volt
+