175BGQ045 Datasheet, PDF (4/6 Pages) International Rectifier – SCHOTTKY RECTIFIER

175BGQ045
Vishay High Power Products ^{Schottky Rectifier, 175 A}
160
140
120
DC
100
Square wave (D=0.50)
80 ^{80% rated Vr applied}
see note (1)
60
0 50 100 150 200 250 300
Average Forward Current - IF_(AV)(A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
10000
200
180°
120°
90°
150
60°
30°
RMS Limit
100
DC
50
0
0
50 100 150 200 250
Average Forward Current - IF_(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
At Any Rated Load Condition
And With Rated V_RRM 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
(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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4
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Document Number: 94582
Revision: 30-Oct-08