20CTH03SPBF Datasheet, PDF (4/9 Pages) International Rectifier – Hyperfast Rectifier

20CTH03SPbF, 20CTH03-1PbF
Bulletin PD-21070 07/05
180
170
DC
160
Square wave (D = 0.50)
150 Rated Vr applied
see note (2)
140
0 2 4 6 8 10 12 14 16
Average Forward Current - I _F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
20
16
RMS Limit
12
8
D = 0.01
D = 0.02
D = 0.05
4
D = 0.1
DC
D = 0.2
D = 0.5
0
0 2 4 6 8 10 12 14 16
Average Forward Current - IF_(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
100
IF = 10A
Tj = 125˚C
Tj = 25˚C
Vr = 200V
10
100
1000
di _F /dt (A/µs )
Fig. 7 - Typical Reverse Recovery vs. di _F /dt
1000
IF = 10A
Tj = 125˚C
100
Tj = 25˚C
Vr = 200V
10
100
1000
di _F /dt (A/µs )
Fig. 8 - Typical Stored Charge vs. di _F /dt
(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. 8);
Pd_REV = Inverse Power Loss = V_R1 x I_R (1 - D); I_R @ V_R1 = rated V_R
4
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