UFB60FA20 Datasheet, PDF (4/6 Pages) International Rectifier – Insulated Ultrafast Rectifier Module

UFB60FA20
Bulletin PD-20778 03/02
150
140
130
DC
120
110
100 ^{Square wave (D = 0.50)}
Rated Vr applied
90 _{see note (3)}
80
0 5 10 15 20 25 30 35
Average Forward Current - I_F(AV)(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (per leg)
30
RMS Limit
25
20
15
D = 0.01
D = 0.05
10
D = 0.10
D = 0.20
D = 0.50
5
DC
0
0 5 10 15 20 25 30 35
Average Forward Current - I_F(AV)(A)
Fig. 6 - Forward Power Loss Characteristics
(per leg)
70
If = 30A
Vrr = 100V
60
50
Tj = 125˚C
40
30
Tj = 25˚C
20
10
100
di _F /dt (A/µs )
1000
Fig. 7 - Typical Reverse Recovery time vs. di _F /dt
550
500 ^{If = 30A}
Vrr = 100V
450
400
350
Tj = 125˚C
300
250
200
150
100
Tj = 25˚C
50
0
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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