Datasheet

VS-MBR20...CTPbF Series, VS-MBR20...CT-N3 Series
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Vishay Semiconductors
Revision: 29-Aug-11
4
Document Number: 94288
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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)
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
= Rated V
R
09
I
F(AV)
- Average Forward Current (A)
Allowable Case Temperature (°C)
130
3
See note (1)
6
150
Square wave (D = 0.50)
Rated V
R
applied
12 15
120
140
DC
145
135
125
0
012
4
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
2468
2
16
10
6
8
DC
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
1410
RMS limit
100 1000
t
p
- Square Wave Pulse Duration (µs)
I
FSM
- Non-Repetitive Surge Current (A)
100
10 00010
1000
At any rated load condition
and with rated V
RRM
applied
following surge