30BQ040-M3 Datasheet, PDF (4/6 Pages) Vishay Siliconix – Schottky Rectifier, 3.0 A

VS-30BQ040-M3
Vishay Semiconductors
Schottky Rectifier, 3.0 A
160
DC
140
120
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
100
80
Square wave (D = 0.50)
80 % rated V_R applied
See note (1)
60
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
10 000
2.5
D = 0.75
D = 0.50
D = 0.33
2.0 _{D = 0.25}
D = 0.20
1.5
1.0
0.5
RMS limit
DC
0
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. 6 - Maximum Average Forward Dissipation vs.
Average Forward Current
1000
100
10 _{At any rated load condition}
and with rated V_RRM applied
following surge
1
10
100
1000
10 000
t_p - Square 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); I_R at V_R1 = 80 % rated V_R
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Revision: 07-Sep-10