40CPQ080/40CPQ100
Vishay High Power Products
Schottky Rectifier, 2 x 20 A
180
175
18
16
Allowable Case Temperature (°C)
Average Power Loss (W)
R
thJC
(DC) = 1.25 °C/W
170
165
14
12
10
8
6
4
2
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
RMS limit
DC
160
155
150
DC
0
0
5
10
15
20
25
30
0
5
10
15
20
25
30
I
F(AV)
- Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
I
F(AV)
- Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
I
FSM
- Non-Repetitive Surge Current (A)
10 000
At any rated load condition
and with rated V
RRM
applied
following surge
1000
100
10
100
1000
10 000
t
p
- Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
L
High-speed
switch
Freewheel
diode
40HFL40S02
+ V
d
= 25 V
D.U.T.
IRFP460
R
g
= 25
Ω
Current
monitor
Fig. 8 - Unclamped Inductive Test Circuit
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For technical questions, contact: diodes-tech@vishay.com
Document Number: 93338
Revision: 21-Aug-08
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