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UFB60FA40 Datasheet, PDF (4/6 Pages) International Rectifier – Insulated Ultrafast Rectifier Module
UFB60FA40
Bulletin PD-20779 03/02
160
140
120
DC
100
80
Square wave (D = 0.50)
60 Rated Vr applied
40 see note (3)
20
0 10 20 30 40 50 60 70
Average Forward Current - IF(AV)(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (per leg)
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 - IF(AV)(A)
Fig. 6 - Forward Power Loss Characteristics
(per leg)
150
If = 30A
140
Vrr = 100V
130
120
Tj = 125˚C
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
2400
2000
If = 30A
Vrr = 100V
1600
Tj = 125˚C
1200
800
Tj = 25˚C
400
0
100
di F /dt (A/µs )
1000
Fig. 8 - Typical Stored Charge vs. di F /dt
(3) Formula used: TC = TJ - (Pd + PdREV) x RthJC ;
Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6);
PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = rated VR
4
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