209CNQ135PBF Datasheet, PDF (4/6 Pages) International Rectifier – SCHOTTKY RECTIFIER

209CNQ...PbF Series
Bulletin PD-21106 12/05
200
180
160
DC
140
120
Square wave (D=0.50)
100 _{80% rated Vr applied}
80 _{see note (2)}
60
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
10000
120
D = 0.20
100
D = 0.25
D = 0.33
D = 0.50
80
D = 0.75
60
RMS limit
DC
40
20
0
0
30 60 90 120 150
Average Forward Current - I_{F (AV)} (A)
Fig. 6 - Forward Power Loss Characteris-
tics
1000
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
DUT
CURRENT
MONITOR
100
10
100
1000
10000
Square Wave Pulse Duration - t _p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current
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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