30CTQ Datasheet, PDF (4/8 Pages) International Rectifier – SCHOTTKY RECTIFIER

30CTQ..., 30CTQ...S, 30CTQ...-1
Bulletin PD-20606 rev. B 01/04
180
170
DC
160
150
140
130
Squa re wave (D = 0.50)
80%Ra ted V_R a pplied
120
110
see note (2)
100
0 2 4 6 8 10 12 14
Average Forward Current - I _F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
1000
7
D = 0.20
6 ^{D = 0.25}
D = 0.33
5
D = 0.50
D = 0.75
4
RMS Limit
DC
3
2
1
0
0
2
4
6
8 10 12
Average Forwa rd Current - I _F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
DUT
CURRENT
MONITOR
At Any Rated Load Condition
And With Rated V_RRM Applied
Following Surge
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 = 10 V
4
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