VS-MBRD320PbF, VS-MBRD330PbF, VS-MBRD340PbF
Vishay Semiconductors
Schottky Rectifier, 3.0 A
160
150
DC
140
130
120 Square wave (D = 0.50)
80 % rated VR applied
110 See note (1)
100
0
1
2
3
4
5
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
1000
2.5
RMS limit
2.0
DC
1.5
1.0
D = 0.20
D = 0.25
D = 0.33
0.5
D = 0.50
D = 0.75
0
0
1
2
3
4
5
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
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 Non-Repetitive Surge Current
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
www.vishay.com
4
For technical questions within your region, please contact one of the following: Document Number: 94313
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Revision: 14-Jan-11