20TQ... Series
Vishay High Power Products Schottky Rectifier, 20 A
155
20TQ
RthJC (DC) = 1.50 °C/W
145
135
DC
125
115
0
5
10 15
20 25
30
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
10 000
18
D = 0.08
16 D = 0.17
14
D = 0.25
D = 0.33
12 D = 0.50
10
RMS limit
8
DC
6
4
2
0
0
5
10
15
20
25
30
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
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
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
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Document Number: 93278
Revision: 25-Jun-08