Photocoupler
K401 • K402 • K404
Forward Current vs.
Ambient Temperature
50
Collector Power Dissipation vs.
Ambient Temperature
Collector Power Dissipation P
C
(mW)
250
100
Forward Current vs.
Forward Voltage
Forward Current I
F
(mA)
Forward Current I
F
(mA)
40
200
80
30
150
60
T
a
=70℃
T
a
=25℃
20
100
40
10
0
-20
50
0
-20
20
T
a
=-55℃
0.4
0.8
1.2
1.6
0
0
20
40
60
80
100
0
20
40
60
80
100
Ambient Temperature T
a
(
℃
)
Forward Voltage V
F
(V)
Collector Current vs.
Collector-Emitter Voltage
T
a
=25℃
40
I
F
=3.5mA
10
Dark Current vs.
Ambient Temperature
40
30
1
Collector Current vs.
Forward Current
T
a
=25℃
V
CE
=2V
Collector Current I
C
(mA)
Collector Current I
C
(mA)
Dark Current I
CEO
(u
A
)
I
F
=3.0mA
30
I
F
=2.5mA
I
F
=2.0mA
P
C
(max.)
25
20
15
10
5
0.1
20
I
F
=1.5mA
I
F
=1mA
10
0.01
V
CE
=10V
0
2
4
6
8
10
0.001
0
20
40
60
80
100
0
1
2
3
4
5
6
Collector-Emitter Voltage V
CE
(V)
Ambient Temperature T
a
(
℃
)
Forward Current I
F
(mA)
Response Time vs.
Load Resistance
5000
V
CE
=10V
I
C
=10mA
T
a
=25℃
V
IN
Switching Time Test Circuit
V
CC
R
R
L
V
O
Response Time t
r
, t
f
(us)
1000
tf
100
tr
Test Circuit
10
Input
Output
10%
10
0.05
0.1
0.2
0.5
1
2
90%
tr
tf
Load Resistance R
L
(
㏀
)
Waveform
3/3
KODENSHI [ KODENSHI KOREA CORP. ]
