MBRB20..CTPbF/MBR20..CT-1PbF
Vishay High Power Products
Schottky Rectifier, 2 x 10 A
150
10
Allowable Case Temperature (°C)
Average Power Loss (W)
140
DC
8
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
RMS limit
130
6
120
Square wave (D = 0.50)
Rated V
R
applied
4
110
2
DC
See note (1)
100
0
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
I
F(AV)
- Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
I
F(AV)
- Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
I
FSM
- Non-Repetitive Surge Current (A)
1000
At any rated load condition
and with rated V
RRM
applied
following surge
100
10
100
1000
10 000
t
p
- Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
Note
(1)
Formula used: T = T - (Pd + Pd
C
J
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
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Document Number: 94306
Revision: 14-Aug-08
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