Datasheet

Duty ratio
5
5
Pulse width <=100 µ s
10
20
100
50
200
500
2
10
-3
10
-2
5
2
10
-1
5
2
5
Fig. 3 Peak Forward Current vs. Duty Ratio
0
1
Current transfer ratio CTR
(
%
)
200
2
5
10 20 50
160
120
80
40
20
60
100
140
180
100
0
50
150
0 255075100
Relative current transfer ratio
(
%
)
Fig. 7 Relative Current Transfer Ratio vs.
Ambient Temperature
0
0
5
1
10
15
20
25
30
23456789
20mA
10mA
5mA
Fig. 6 Collector Current vs.
Collector-emitter Voltage
Peak forward current I
FM
(
mA
)
Fig. 4 Current Transfer Ratio vs.
Forward Current
Forward current I
F
(
mA
)
Collector current I
C
(
mA
)
Collector-emitter voltage V
CE
(
V
)
Ambient temperature T
a
(
˚C
)
0
0 125
100
200
50
150
25 50 75 100
Ambient Temperature
C
(
mW
)
-30
Fig. 2 Collector Power Dissipation vs.
PC817 Series
a
(
˚C
)
Collector power dissipation P
Ambient temperature T
1
V
CE
=5V
I
F
= 30mA
P
C
(
MAX.
)
I
F
= 5mA
V
CE
=5V
Fig. 5 Forward Current vs. Forward Voltage
10 000
5 000
2 000
1 000
T
a
= 25˚C
T
a
= 25˚C
50˚C
25˚C
0˚C
0
2
0.5 1.0 1.5 2.0 2.5 3.0 3.5
5
10
20
50
100
200
500
1
- 25˚C
T
a
= 75˚C
Forward current I
F
(
mA
)
Forward voltage V
F
(
V
)
-30
T
a
= 25˚C