81CNQ International Rectifier, 81CNQ Datasheet - Page 4

• Manufacturer Part Number: 81CNQ
• Description: SCHOTTKY RECTIFIER 80 Amp
• Manufacturer: International Rectifier

81CNQ... Series
PD-2.237 rev. B
4
180
170
160
150
140
0
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
Average Forward Current - I
CURRENT
MONITOR
10
01/99
DUT
20
R
thJC
30
(DC) = 0.85 °C/W
10000
DC
1000
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
100
40
Square Wave Pulse Duration - t
10
Fig. 8 - Unclamped Inductive Test Circuit
Rg = 25 ohm
F(AV)
50
At Any Rated Load Condition
And With Rated V
Following Surge
(A)
IRFP460
L
60
100
RRM
1000
FREE-WHEEL
40HFL40S02
p
Applied
DIODE
HIGH-SPEED
(microsec)
SWITCH
32
28
24
20
16
12
10000
Fig. 6 - Forward Power Loss Characteristics
8
4
0
0
RMS Limit
Average Forward Current - I
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
10
+
20
(Per Leg)
Vd = 25 Volt
30
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DC
40
F(AV)
50
(A)
60