401CNQ045 Datasheet, PDF (4/5 Pages) International Rectifier – SCHOTTKY RECTIFIER

401CNQ... Series
Bulletin PD-2.263 rev. D 07/01
180
175
160
140
DC
120
100
Square wave (D = 0.50)
80 ^{80% Rated VRapplied}
60
see note (2)
40
0
100
200
300
Average Forward Current - I _F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
100000
150
125 _{D = 0.20}
D = 0.25
100 _{D = 0.33}
D = 0.50
75 _{D = 0.75}
50
RMS Limit
DC
25
0
0 50 100 150 200 250 300
Average Forward Current - I _F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
10000
DUT
C URRE NT
M ONITOR
1000
10
100
1000
10000
SquareWavePulseDuration-t _p(microsec)
Fig. 7 - Max. Non-Repetitive Surge Current
L
IR F P 46 0
Rg = 25 ohm
HIG H-SPEED
SW ITC H
FR EE-W HEEL
D IO D E
4 0H FL40 S02
+ ^{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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