BPW77N
Vishay Telefunken
3.5
I
ca rel
– Relative Collector Current
3.0
2.5
2.0
1.5
1.0
0.5
0
0
94 8344
C
CEO
– Collector Emitter Capacitance ( pF )
20
16
f=1MHz
V
CE
=5V
E
e
=1mW/cm
2
l
=950nm
12
8
4
0
0.1
1
10
100
V
CE
– Collector Emitter Voltage ( V )
50
100
150
94 8247
T
amb
– Ambient Temperature (
°C
)
Figure 3. Relative Collector Current vs.
Ambient Temperature
t
on
/ t
off
– Turn on / Turn off Time (
m
s )
100
I
ca
– Collector Light Current ( mA )
BPW77NB
10
Figure 6. Collector Emitter Capacitance vs.
Collector Emitter Voltage
12
10
8
6
4
2
0
t
on
V
CE
=5V
R
L
=100
W
l
=950nm
1
BPW77NA
0.1
l
=950nm
0.01
0.01
0.1
1
10
E
e
– Irradiance ( mW / cm
2
)
V
CE
=5V
t
off
0
94 8253
4
8
12
16
94 8349
I
C
– Collector Current ( mA )
Figure 4. Collector Light Current vs. Irradiance
10
I
ca
– Collector Light Current ( mA )
Figure 7. Turn On/Turn Off Time vs. Collector Current
S (
l
)
rel
– Relative Spectral Sensitivity
l
=950nm
E
e
=1 mW/cm
2
0.5 mW/cm
2
0.2 mW/cm
2
1.0
0.8
0.6
0.4
0.2
0
400
1
0.1 mW/cm
2
0.05 mW/cm
2
0.02 mW/cm
2
0.1
0.1
94 8350
1
10
100
94 8348
600
V
CE
– Collector Emitter Voltage ( V )
l
– Wavelength ( nm )
800
1000
Figure 5. Collector Light Current vs.
Collector Emitter Voltage
Figure 8. Relative Spectral Sensitivity vs. Wavelength
Document Number 81527
Rev. 2, 20-May-99
www.vishay.de
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