40CTQ150S Datasheet, PDF (4/6 Pages) Vishay Siliconix – Schottky Rectifier, 2 x 20 A

40CTQ150S/40CTQ150-1
Vishay High Power Products ^{Schottky Rectifier, 2 x 20 A}
180
160
DC
140
Square wave (D = 0.50)
120 80 % V_R applied
See note (1)
100
0
5
10
15
20
25
30
I_F(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
25
RMS limit
20
DC
15
DC = 0.20
10
DC = 0.25
DC = 0.33
DC = 0.50
5
DC = 0.75
0
0
5
10
15
20
25
30
I_F(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
10 000
At any rated load condition
and with rated V_RRM applied
following surge
1000
100
10
100
1000
10 000
t_p - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current (Per Leg)
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 % V_R applied
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4
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Document Number: 93963
Revision: 21-Aug-08