VS-201CNQ045PbF
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Vishay Semiconductors
Revision: 26-Mar-14
4
Document Number: 94154
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Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
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
Allowable Case Temperature (°C)
I
F(AV)
- Average Forward Current (A)
0 16060
90
100
120
150
180
20 100 120
130
160
40 14080
DC
See note (1)
Square wave (D = 0.50)
80 % rated V
R
applied
170
140
110
0
90
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
0
50 150
25
30
75
100
60
DC
RMS limit
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
125
80
70
50
40
20
10
I
FSM
- Non-Repetitive Surge Current (A)
t
p
- Square Wave Pulse Duration (µs)
1000
10 000
10
100
1000
10 000
Current
monitor
High-speed
switch
D.U.T.
R
g
= 25 Ω
+
Freewheel
diode
V
d
= 25 V
L
IRFP460
40HFL40S02
