20BQ030PBF_10 Datasheet, PDF (4/7 Pages) Vishay Siliconix – Schottky Rectifier, 2 A

VS-20BQ030PbF
Vishay High Power Products ^{Schottky Rectifier, 2 A}
150
140
DC
130
120 _{D = 0.20}
110
D = 0.25
D = 0.33
100 ^{D = 0.50}
D = 0.75
90
80 _{Square wave (D = 0.50)}
70 ^{80 % rated V}R ^applied
60 _{See note (1)}
50
0
0.5 1.0 1.5 2.0 2.5 3.0
I_F(AV) - Average Forward Current (A)
Fig. 5 - Maximum Average Forward Current vs.
Allowable Lead Temperature
1000
1.2
D = 0.20
1.0
D = 0.25
D = 0.33
D = 0.50
0.8
D = 0.75
0.6
RMS limit
0.4
DC
0.2
0
0
0.5 1.0 1.5 2.0 2.5 3.0
I_F(AV) - Average Forward Current (A)
Fig. 6 - Maximum Average Forward Dissipation vs.
Average Forward Current
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: TL = TJ - (Pd + PdREV) x RthJL;}
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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Document Number: 94157
Revision: 04-Mar-10