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VS-80EBU02HF4 Datasheet, PDF (4/7 Pages) Vishay Siliconix – Screw mounting only
www.vishay.com
180
160
140
DC
120
100 Square wave (D = 0.5)
80 % rated VR applied
80
0
20
40
60
80 100 120
IF(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
120
RMS Limit
90
D = 0.01
60
D = 0.02
D = 0.05
D = 0.10
D = 0.20
30
D = 0.50
DC
0
0
30
60
90
120
IF(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
VS-80EBU02HF4
Vishay Semiconductors
100
IF = 160 A
80
IF = 80 A
IF = 40 A
60
40
20 VR 160 V
TJ = 125 °C ....
TJ = 25 °C ___
0
100
1000
dIF/dt (A/μs)
Fig. 7 - Typical Reverse Recovery Time vs. dIF/dt
1200
1000
Vr = 160 V
TJ = 125 °C
TJ = 25 °C
800
IF = 160 A
IF = 80 A
600
IF = 40 A
400
200
0
100
1000
dIF/dt (A/μs)
Fig. 8 - Typical Stored Charge vs. dIF/dt
IF
0
(3)
trr
ta
tb
(2) IRRM
(4)
Qrr
0.5 IRRM
dI(rec)M/dt (5)
0.75 IRRM
(1) dIF/dt
(1) dIF/dt - rate of change of current
through zero crossing
(4) Qrr - area under curve defined by trr
and IRRM
(2) IRRM - peak reverse recovery current
(3) trr - reverse recovery time measured
from zero crossing point of negative
going IF to point where a line passing
through 0.75 IRRM and 0.50 IRRM
extrapolated to zero current.
Qrr =
trr x IRRM
2
(5) dI(rec)M/dt - peak rate of change of
current during tb portion of trr
Fig. 9 - Reverse Recovery Waveform and Definitions
Revision: 15-Mar-13
4
Document Number: 93996
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