VS-MBRS320TRPBF Datasheet, PDF (4/7 Pages) Vishay Siliconix – Very low forward voltage drop

VS-MBRS320TRPbF
Vishay High Power Products ^{Schottky Rectifier, 3.0 A}
155
150
145
140
135
130 ^{Square wave}
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
125 _{See note (1)}
120
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
I_F(AV) - Average Forward Current (A)
Fig. 5 - Maximum Average Forward Current vs.
Allowable Lead Temperature
1.6
D = 0.20
1.4
D = 0.25
D = 0.33
1.2
D = 0.50
D = 0.75
1.0
RMS limit
0.8
0.6
0.4
DC
0.2
0
0
1
2
3
4
5
I_F(AV) - Average Forward Current (A)
Fig. 6 - Maximum Average Forward Dissipation vs.
Average Forward Current
1000
T_J = 25 °C
100
At any rated load condition
and with rated V_RRM applied
following surge
10
10
100
1000
10 000
t_p - 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 = 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)
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4
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Document Number: 94320
Revision: 05-Mar-10