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40L15CT Datasheet, PDF (4/6 Pages) International Rectifier – SCHOTTKY RECTIFIER
40L15CT
Vishay High Power Products Schottky Rectifier, 2 x 20 A
100
95
90
Square wave (D = 0.50)
85
80
75
See note (1)
70
0
4
8
12
16
20
24
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
1000
14
D = 0.20
12
D = 0.25
D = 0.33
10
D = 0.50
D = 0.75
8
6
RMS limit
4
DC
2
0
0
5
10
15
20
25
30
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
At any rated load condition
and with rated VRRM applied
following surge
100
10
100
1000
10 000
tp - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
D.U.T.
Current
monitor
L
IRFP460
Rg = 25 Ω
High-speed
switch
Freewheel
diode
+ Vd = 25 V
40HFL40S02
Fig. 8 - Unclamped Inductive Test Circuit
Note
(1) Formula used: TC = TJ - (Pd + PdREV) x RthJC;
Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6);
PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 10 V
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4
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Document Number: 93342
Revision: 22-Aug-08