8ETH03PBF Datasheet, PDF (4/7 Pages) International Rectifier – Ultrafast Rectifier

8ETH03PbF
Bulletin PD-20887 rev. A 10/06
180
170
DC
160
150
Square wave (D = 0.50)
Rated Vr applied
140
see note (3)
130
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
100
10
RMS Limit
8
6
DC
4
D = 0.01
D = 0.02
D = 0.05
2
D = 0.10
D = 0.20
D = 0.50
0
0 2 4 6 8 10 12
Average Forward Current - I _F(AV)(A)
Fig. 6 - Forward Power Loss Characteristics
1000
If = 8A, Tj = 125˚C
If = 8A, Tj = 25˚C
10
100
di _F /dt (A/μs )
1000
Fig. 7 - Typical Reverse Recovery vs. di _F /dt
If = 8A, Tj = 125˚C
100
If = 8A, Tj = 25˚C
10
100
di _F /dt (A/μs )
1000
Fig. 8 - Typical Stored Charge vs. di _F /dt
(3) 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= rated V_R
4
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