203CNQ100PBF Datasheet, PDF (4/6 Pages) International Rectifier – SCHOTTKY RECTIFIER 200 Amp

203CNQ100PbF
Bulletin PD-21103 12/05
180
170
160
150
DC
140
130 _{Square wave (D=0.50)}
120 ^{80% rated Vr applied}
110 _{see note (2)}
100
0 20 40 60 80 100 120 140 160
Average Forward Current - I_F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
100000
100
90
D = 0.20
D = 0.25
80 ^{D = 0.33}
D = 0.50
70 _{D = 0.75}
60
50
RMS Limit
DC
40
30
20
10
0
0 25 50 75 100 125 150
Average Forward Current - I_F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
10000
1000
DUT
CURRENT
MONITOR
100
10
100
1000
10000
Square Wave Pulse Duration - t_p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
IRFP460
Rg = 25 ohm
HIGH-SPEED
SWITCH
FREE-WHEEL
DIODE
40HFL40S02
+ ^{Vd = 25 Volt}
Fig. 8 - Unclamped Inductive Test Circuit
(2) Formula used: T_C = T_J - (Pd + Pd_REV) x R_thJC ;
Pd = Forward Power Loss = I_F(AV) x V_FM @ (I_F(AV) / D) (see Fig. 6);
Pd_REV = Inverse Power Loss = V_R1 x I_R (1 - D); I_R @ V_R1= 80% rated V_R
4
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