81CNQ045A International Rectifier Corp., 81CNQ045A Datasheet - Page 4

• Manufacturer Part Number: 81CNQ045A
• Manufacturer: International Rectifier Corp.

Bulletin 20040 rev. A 09/01
4
81CNQ...A Series
180
170
160
150
140
0
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
C URRE NT
M O N ITO R
Average Forward Current - I
10
RthJC (DC) = 0.85 ˚C/W
D UT
20
30
10000
DC
1000
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
100
40
10
Square Wave Pulse Duration - t
Rg = 25 ohm
Fig. 8 - Unclamped Inductive Test Circuit
F(AV)
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
50
(A)
IRFP460
L
60
100
1000
FR EE-W H E EL
40H FL40 S02
p
D IO D E
H IG H-SPE ED
(microsec)
SW ITC H
32
28
24
20
16
12
10000
Fig. 6 - Forward Power Loss Characteristics
8
4
0
0
RMS Limit
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
Average Forward Current - I
10
+
20
(Per Leg)
V d = 25 V olt
30
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40
DC
F(AV)
50
(A)
60