PC817 Series
Fig. 2 Collector Power Dissipation vs.
Ambient Temperature
200
Collector power dissipation P
C
( mW )
Fig. 3 Peak Forward Current vs. Duty Ratio
10 000
5 000
( mA )
Pulse width <=100
µ
s
T
a
= 25˚C
150
2 000
1 000
500
200
100
50
20
10
100
50
Peak forward current I
FM
0
- 30
5
0
25
50
75
a
100
( ˚C )
125
5
10
- 3
2
5
10
-2
2
5
10
-1
2
5
1
Ambient temperature T
Duty ratio
Fig. 4 Current Transfer Ratio vs.
Forward Current
200
180
Current transfer ratio CTR ( % )
160
V
CE
= 5V
T
a
= 25˚C
Fig. 5 Forward Current vs. Forward Voltage
500
200
100
Forward current I
F
( mA )
50
20
10
5
2
1
T
a
= 75˚C
50˚C
25˚C
0˚C
- 25˚C
140
120
100
80
60
40
20
0
1
2
5
10
20
50
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Forward current I
F
( mA )
Forward voltage V
F
( V)
Fig. 6 Collector Current vs.
Collector-emitter Voltage
30
I
F
= 30mA
25
Collector current I
C
( mA )
20mA
T
a
= 25˚C
P
C
( MAX. )
Fig. 7 Relative Current Transfer Ratio vs.
Ambient Temperature
150
I
F
= 5mA
V
CE
= 5V
Relative current transfer ratio ( % )
20
100
15
10mA
10
5mA
5
0
0
50
1
2
3
4
5
6
7
CE
8
9
0
- 30
0
25
50
a
75
( ˚C )
100
Collector-emitter voltage V
(V)
Ambient temperature T
ETC [ ETC ]
