245NQ015PBF Datasheet, PDF (4/6 Pages) Vishay Siliconix – Schottky Rectifier, 240

245NQ015PbF
Vishay High Power Products ^{Schottky Rectifier, 240 A}
120
100
DC
80
60
40
Square wave (D=0.50)
20 ^{80% rated Vr applied}
see note (1)
0
0 40 80 120 160 200 240 280 320 360
AverageForwardCurrent-I_F(AV)(A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
200
D = 0.20
D = 0.25
D = 0.33
150
D = 0.50
D = 0.75
RMS limit
100
DC
50
0
0 50 100 150 200 250 300 350
Average Forward Current - I _{F (AV)} (A)
Fig. 6 - Forward Power Loss Characteristics
100000
10000
At Any Rated Load Conditions
And With Rated Vrrm Applied
Following Surge
1000
10
100
1000
10000
Square Wave Pulse Duration - t _p (microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
D.U.T.
Current
monitor
L
IRFP460
R_g = 25 Ω
High-speed
switch
Freewheel
diode
+ ^{Vd = 25 V}
40HFL40S02
Fig. 8 - Unclamped Inductive Test Circuit
Note
(9) _{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 = Rated V_R
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4
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Document Number: 94464
Revision: 06-May-08