40CTQ150SPBF Datasheet, PDF (4/7 Pages) International Rectifier – SCHOTTKY RECTIFIER

40CTQ150SPbF, 40CTQ150-1PbF
Bulletin PD-21036 05/05
180
160
DC
140
Square wave (D = 0.50)
120 80% Vr applied
see note (2)
100
0
5 10 15 20 25 30
Average Forward Current - IF_(AV)(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
25
20
15
RMS Limit
10
5
DC
DC = 0.20
DC = 0.25
DC = 0.33
DC = 0.50
DC = 0.75
0
0 5 10 15 20 25 30
Average Forward Current - IF_(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
10000
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
1000
100
10
100
1000
10000
Square Wave Pulse Duration - t _p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
(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_R= 80% V_R applied
4
www.irf.com