Datasheet

VS-STPS20L15DPbF, VS-STPS20L15D-N3
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Vishay Semiconductors
Revision: 30-Aug-11
4
Document Number: 94325
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Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Maximum Non-Repetitive Surge Current
Fig. 8 - Unclamped Inductive Test Circuit
Note
(1)
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward power loss = I
F(AV)
x V
FM
at (I
F(AV)
/D) (see fig. 6);
Pd
REV
= Inverse power loss = V
R1
x I
R
(1 - D); I
R
at V
R1
= 80 % rated V
R
70
024
I
F(AV)
- Average Forward Current (A)
Allowable Case Temperature (°C)
75
90
85
100
80
95
161284
See note (1)
Square wave (D = 0.50)
20
14
0
025
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
5 101520
2
10
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
RMS limit
DC
30
4
6
8
12
1000
100 1000
t
p
- Square Wave Pulse Duration (µs)
I
FSM
- Non-Repetitive Surge Current (A)
100
10 00010
At any rated load condition
and with rated V
RRM
applied
following surge
Current
monitor
High-speed
switch
D.U.T.
R
g
= 25 Ω
+
Freewheel
diode
V
d
= 25 V
L
IRFP460
40HFL40S02