Photocoupler
K4N35 • K4N36
• K4N37
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℃
40
T
a
=25℃
20
T
a
=-55℃
20
100
10
50
0
-20
0
20
40
60
80
100
0
-20
0
0
20
40
60
80
100
0.4
0.8
1.2
1.6
Ambient Temperature T
a
(℃ )
Ambient Temperature T
a
(℃ )
Forward Voltage V
F
(V)
Collector Current vs.
Collector-Emitter Voltage
T
a
=25℃
40
I
F
=30mA
1
Dark Current vs.
Ambient Temperature
100
Collector Current vs.
Ambient Temperature
Collector Current I
C
(mA)
Collector Current I
C
(mA)
Dark Current I
CEO
(㎂)
I
F
=20mA
10
I
F
=10mA
I
F
=5mA
30
I
F
=20mA
0.1
20
V
CE
=10V
0.01
I
F
=10mA
I
F
=5mA
1
I
F
=1mA
10
I
F
=1mA
0
2
4
6
8
10
0.001
0
20
40
60
80
100
0
-20
0
20
40
60
80
Collector-Emitter Voltage V
CE
(V)
Ambient Temperature T
a
(℃
)
Ambient Temperature T
a
(℃ )
Response Time vs.
Load Resistance
500
100
V
CE
=10V
I
C
=2mA
T
a
=25℃
Collector Current vs.
Forward Current
T
a
=25℃
V
CE
=10V
Switching Time Test Circuit
V
IN
R
V
CC
R
L
V
O
Response Time t
r
, t
f
(μs)
100
tf
tr
10
Collector Current I
C
(mA)
10
1
Test Circuit
0.1
Input
1
0.01
Output
10%
0.1
0.1
1.0
5.0
0.001
0.1
90%
1
10
100
tr
tf
Load Resistance R
L
(㏀)
Forward Current
I
F
(mA)
Forward Current
I
F
(mA)
Waveform
3/3
KODENSHI [ KODENSHI KOREA CORP. ]
