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N-HFA15PB120 Datasheet(PDF) 4 Page - Nell Semiconductor Co., Ltd

Part No. N-HFA15PB120
Description  FRED Ultrafast Soft Recovery Diode, 15 A
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Maker  NELLSEMI [Nell Semiconductor Co., Ltd]
Homepage  http://www.nellsemi.com
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 4 page
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Nell High Power Products
SEMICONDUCTOR
RoHS
RoHS
SEMICONDUCTOR
RoHS
RoHS
Page 4 of 5
N-HFA15PB120
Fig.7 Maximum average forward current vs. case temperature
0
25
50
75
100
125
150
25
10
100 200
Fig6. Dynamic parameters vs. junction temperature
Junction temperature (°C),TJ
Case temperature (°C)
Fig.8 Junction capacitance vs. reverse voltage
reverse voltage (V), VR
Fig.9 Reverse recovery parameter test circuit
IRFP250
D.U.T.
L = 70 µH
V
R = 200 V
0.01Ω
G
D
S
dIF/dt
adjust
Fig.10 Reverse recovery waveform and definitions
Q
rr
0.5 IRRM
dI
(rec)M/dt
0.75 I RRM
I
RRM
t
rr
t
b
t
a
I
F
dI
F/dt
0
(1)
(2)
(3)
(4)
(5)
(1) dI /dt - rate of change of current
F
through zero crossing
(2) IRRM - peak reverse recovery current
(3) t - reverse recovery time measured
rr
from zero crossing point of negative
going I to point where a line passing
F
through 0.75 I
RRM and 0.50 IRRM
extrapolated to zero current.
(4) Q - area under curve defined by t
rr
rr
IRRM
l
x
rr
RRM
2
Q
=
rr
(5) dI
/dt - peak rate of change of
(rec)M
current during tb portion of trr
and
t
1
1.2
1.0
0.8
0.6
0.4
0.2
0.0
Qrr
trr
IRRM
trr
Qrr
35
30
25
20
15
10
5
Duty cycle = 0.5
T =175°C
J
0
0
50
75
100
125
150
175
80
70
60
50
40
30
20
10
0
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