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HFA25TB60S Datasheet(PDF) 5 Page - International Rectifier

No. de Pieza. HFA25TB60S
Descripción  Ultrafast, Soft Recovery Diode
Descarga  7 Pages
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Fabricante  IRF [International Rectifier]
Página de inicio  http://www.irf.com
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HFA25TB60S Datasheet(HTML) 5 Page - International Rectifier

   
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HFA25TB60S
Bulletin PD-20616 rev. B 11/03
4. Qrr - Area under curve defined by trr
and IRRM
trr X IRRM
Qrr =
2
5. di(rec)M/dt - Peak rate of change of
current during tb portion of trr
Fig. 10 - Reverse Recovery Waveform and
Definitions
Fig. 9 - Reverse Recovery Parameter Test
Circuit
ta
tb
trr
Qrr
IF
I RRM
I RRM
0.5
di(rec)M/dt
0.75 IRRM
5
4
3
2
0
1
di /dt
f
1. dif/dt - Rate of change of current
through zero crossing
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
REVERSE RECOVERY CIRCUIT
IRFP250
D.U.T.
L = 70µH
V = 200V
R
0.01
G
D
S
dif/dt
ADJUST


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