Philips Semiconductors Product specification
Rectifier diodes BYV72EW series
ultrafast, rugged
Fig.1. Definition of trr1, Qs
and I
rrm
Fig.2. Definition of Vfr
Fig.3. Circuit schematic for trr2
Fig.4. Definition of trr2
Fig.5. Maximum forward dissipation PF
= f(I
F(AV)) per
diode; square current waveform where
IF(AV)
=I
F(RMS)
x
√D.
Fig.6. Maximum forward dissipation PF
= f(I
F(AV)) per
diode; sinusoidal current waveform where a = form
factor = IF(RMS)
/ I
F(AV).
Q
s
100%
10%
time
dI
F
dt
IR
I
F
Irrm
trr
I = 1AR
I = 0.25Arec
0A
trr2
0.5A
IF
IR
time
time
V
F
V
fr
V
F
I
F
00 5 10 15 20 25150
5
10
15
20
PF / W
Vo = 0.705 V
0.5
0.2
0.1
BYV42
IF(AV) / A
D = 1.0
Tmb(max) / C102
138
126
114
Rs = 0.0097 Ohms
D = tpT
tp
T
t
I
shunt
Current
to 'scope
D.U.T.
Voltage Pulse Source
R
0
150
0 5 10 15
IF(AV) / A
5
10
15
PF / W
Vo = 0.705 V
1.9
2.2
2.8
4
BYV42
Tmb(max) / C
a = 1.57
114
138
126
Rs = 0.0097 Ohms
October 1998 3 Rev 1.200
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