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VS-MBRS190-M3 Datasheet, PDF (4/8 Pages) Vishay Siliconix – High Performance Schottky Rectifier
www.vishay.com
VS-MBRS190-M3, VS-MBRS1100-M3
Vishay Semiconductors
180
D = 0.20
170
DC
D = 0.25
D = 0.33
160
D = 0.50
D = 0.75
150
140
130 Square wave (D = 0.50)
Rated VR applied
120
See note (1)
110
0
0.4
0.8
1.2
1.6
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Average Forward Current vs.
Allowable Lead Temperature
1.0
D = 0.20
D = 0.25
0.8
D = 0.33
D = 0.50
D = 0.75
0.6
0.4
DC
0.2
RMS limit
0
0
0.3
0.6
0.9
1.2
1.5
IF(AV) - Average Forward Current (A)
Fig. 6 - Maximum Average Forward Dissipation vs.
Average Forward Current
1000
100
At any rated load condition
and with rated VRRM applied
following surge
10
10
100
1000
10 000
tp - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Peak Surge Forward Current vs. Pulse Duration
Note
(1) Formula used: TC = TJ - (Pd + PdREV) x RthJC;
Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6); 
PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR
Revision: 26-Aug-14
4
Document Number: 95744
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