HFA320NJ40CPBF Vishay Semiconductors, HFA320NJ40CPBF Datasheet - Page 5

• Manufacturer Part Number: HFA320NJ40CPBF
• Description: HEXFRED? Ultrafast Soft Recovery Diode, 320 A
• Manufacturer: Vishay Semiconductors

Document Number: 94072
Revision: 01-Aug-08
Current
monitor
D.U.T.
(1) dI
(2) I
(3) t
0
L = 100 µH
from zero crossing point of negative
going I
through 0.75 I
extrapolated to zero current.
through zero crossing
RRM
rr
R
I
F
F
- reverse recovery time measured
g
/dt - rate of change of current
= 25 Ω
- peak reverse recovery current
F
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to point where a line passing
Fig. 11 - Reverse Recovery Waveform and Definitions
Fig. 12 - Avalanche Test Circuit and Waveforms
RRM
Fig. 10 - Reverse Recovery Parameter Test Circuit
Ultrafast Soft Recovery
and 0.50 I
(1)
Freewheel
adjust
dI
F
diode
/dt
dI
Diode, 320 A
High-speed
F
HEXFRED
/dt
RRM
switch
L = 70 µH
G
V
d
t
a
= 50 V
(2)
V
(3)
+
R
= 200 V
I
RRM
t
0.01 Ω
D
rr
S
(4) Q
(5) dI
®
IRFP250
and I
current during t
rr
(rec)M
0.75 I
- area under curve defined by t
RRM
t
D.U.T.
b
/dt - peak rate of change of
RRM
dI
0.5 I
Q
(rec)M
rr
Q
Vishay High Power Products
=
RRM
b
rr
/dt
portion of t
t
(4)
rr
V
x I
(5)
2
R(RATED)
RRM
I
V
L(PK)
(AVAL)
HFA320NJ40CPbF
rr
rr
Decay
time
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