MBR3035WT/MBR3045WT
Vishay High Power Products
Schottky Rectifier, 2 x 15 A
150
16
Allowable Case Temperature (°C)
140
DC
Average Power Loss (W)
14
12
10
8
6
4
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
130
RMS limit
120
Square wave (D = 0.50)
V
R
applied
110
DC
2
0
See note (1)
100
0
4
8
12
16
20
24
0
4
8
12
16
20
24
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)
1000
I
FSM
- Non-Repetitive
Surge Current (A)
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)
L
High-speed
switch
Freewheel
diode
40HFL40S02
+ V
d
= 25 V
D.U.T.
IRFP460
R
g
= 25
Ω
Current
monitor
Fig. 8 - Unclamped Inductive Test Circuit
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
www.vishay.com
4
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93448
Revision: 21-Aug-08
VISHAY [ VISHAY TELEFUNKEN ]
