K4N38 Datasheet, PDF (3/3 Pages) KODENSHI KOREA CORP. – Photocoupler(These Photocouplers consist of a Gallium Arsenide Infrared Emitting)

Photocoupler
K4N38 K4N38A
Forward Current vs.
Ambient Temperature
50
40
30
20
10
0
-20
0
20 40
60 80 100
Ambient Temperature Ta ( )
Collector Power Dissipation vs.
Ambient Temperature
250
200
150
100
50
0
-20
0
20
40
60 80 100
Ambient Temperature Ta ( )
Collector Current vs.
Collector-Emitter Voltage
Ta=25
IF=30mA
40
I F =20mA
30
20
I F =10mA
I F =5mA
10
IF=1mA
0
2
4
6
8
10
Collector-Emitter Voltage VCE (V)
Response Time vs.
Load Resistance
500 _VCE=10V
IC=2mA
Ta=25
100
tf
tr
10
1
0.1
0.1
1.0
5.0
Load Resistance RL ( )
Dark Current vs.
Ambient Temperature
1
0.1
0.01
VCE=10V
0.001
0
20
40
60
80
100
Ambient Temperature Ta ( )
Collector Current vs.
Forward Current
100
Ta=25
VCE=10V
10
1
0.1
0.01
0.001
0.1
1
10
100
Forward Current IF (mA)
Forward Current vs.
Forward Voltage
100
80
60
Ta=70
40
Ta=25
20
Ta=-55
0
0.4
0.8
1.2
1.6
Forward Voltage VF (V)
Collector Current vs.
Ambient Temperature
100
I F =20mA
10
I F =10mA
I F =5mA
1
I F =1mA
0
-20
0
20
40
60
80
Ambient Temperature Ta ( )
Switching Time Test Circuit
R
VIN
VCC
RL
VO
Test Circuit
Input
Output
10%
90%
tr
tf
Waveform
3/3