112CNQ030A Datasheet, PDF (4/7 Pages) International Rectifier – SCHOTTKY RECTIFIER

112CNQ030A
Bulletin PD-20630 rev. A 09/01
150
DC
140
130
Square wave (D = 0.50)
120 ^{80% Rated Vr applied}
see note (2)
110
0 10 20 30 40 50 60 70 80 90
Average Forward Current - I_F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (PerLeg)
10000
35
D = 0.75
30 ^{D = 0.50}
D = 0.33
25
D = 0.25
D = 0.20
20 RMS Limit
DC
15
10
5
0
0 10 20 30 40 50 60 70 80
Average Forward Current - I_F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
DUT
CURRENT
MONITOR
1000
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t_p (microsec)
Fig.7-Max. Non-Repetitive Surge Current (PerLeg)
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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