Datasheet

www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 94304
4 DiodesAmericas@vishay.com
, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 23-Jun-10
VS-MBRB1635PbF, VS-MBRB1645PbF
Vishay Semiconductors
Schottky Rectifier, 16 A
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
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
= Rated V
R
applied
120
125
130
135
140
145
150
155
Allowable Case Temperature (°C)
I
F(AV)
- Average Forward Current (A)
10 5 15 20
25
0
DC
See note (1)
Square wave (D = 0.50)
Rated V
R
applied
0
5
10
15
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
51015 2520
0
DC
RMS limit
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
100
1000
10 000
I
FSM
- Non-Repetitive Surge Current (A)
t
p
- Square Wave Pulse Duration (µs)
100 1000
10 000
10
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