UFB120FA40 Datasheet, PDF (4/6 Pages) International Rectifier – Insulated Ultrafast Rectifier Module

UFB120FA40
Bulletin PD-20488 12/01
160
140
120
DC
100
80
Square wave (D = 0.50)
60 ^{80% Rated Vr applied}
40 _{see note (3)}
20
0 10 20 30 40 50 60 70
Average Forward Current - I_F(AV)(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (per diode)
160
If = 50A
150
Vrr = 200V
140
130
Tj = 125˚C
120
110
100
90
80
70
Tj = 25˚C
60
50
100
di _F /dt (A/µs )
1000
Fig. 7 - Typical Reverse Recovery time vs. di _F /dt
70
RMS Limit
60
50
DC
40
30
D = 0.01
D = 0.02
20
D = 0.05
D = 0.10
10
D = 0.20
D = 0.50
0
0 10 20 30 40 50 60 70
Average Forward Current - I_F(AV)(A)
Fig. 6 - Forward Power Loss (per diode)
3050
2550
If = 50A
Vrr = 200V
2050
Tj = 125˚C
1550
1050
550
Tj = 25˚C
50
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 = 80% rated V_R
4
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