30CTQ...SPbF/30CTQ...-1PbF
Schottky Rectifier, 2 x 15 A
Vishay High Power Products
160
150
140
14
12
10
8
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
130
RMS limit
DC
120
110
6
Square wave (D = 0.50)
80 % rated VR applied
90
DC
100
4
80
2
70
See note (1)
60
0
0
5
10
15
20
25
0
5
10
15
20
25
IF(AV) - Average Forward Current (A)
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
1000
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)
L
High-speed
switch
IRFP460
D.U.T.
Freewheel
diode
Rg = 25 Ω
Vd = 25 V
+
Current
monitor
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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For technical questions, contact: diodes-tech@vishay.com
Document Number: 94190
Revision: 13-Aug-08
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