PRODUCT SPECIFICATION
DATE：01/27/2010
cosmo
ELECTRONICS CORPORATION
Photocoupler：
KP3020S
REV.
1
SHEET 1 OF 6
NO.61P12005
High Reliability Photocoupler
Features
1. Current transfer ratio
( CTR：Min. 60% at IF=±1mA V
CE
=5V )
2. High isolation voltage between input and output( Viso：5000Vrms )
3. Compact surface mount type package.
4. AC input.
Application：
1. Programmable Controller Applications for Low Input Photocouplers and
High Vceo Photocouplers.
2. Telephone sets, telephone exchangers.
3. System appliances.
‧Limit
Switches
‧Sensors‧
Transdusers etc.
4. Signal transmission between circuits of different potentials and
impedances.
PRODUCT SPECIFICATION
DATE：01/27/2010
cosmo
ELECTRONICS CORPORATION
Photocoupler：
KP3020S
REV.
1
SHEET 2 OF 6
NO.61P12005
1.OUTSIDE
DIMENSION : UNIT (mm)
XXX
Date Code
TOLERANCE : 0.2mm
2. SCHEMATIC:TOP VIEW
1
2
3
4
8
7
6
5
1,2 Anode, Cathode
3,4 Anode, Cathode
5,7 Emitter
6,8 Collector
PRODUCT SPECIFICATION
DATE：01/27/2010
cosmo
ELECTRONICS CORPORATION
Photocoupler：
KP3020S
REV.
1
SHEET 3 OF 6
NO.61P12005
Absolute Maximum Ratings
Parameter
Forward current
Input
Peak forward current
Power dissipation
Collector-emitter voltage
Output
Emitter-collector voltage
Collector current
Collector power dissipation
Total power dissipation
Isolation voltage 1 minute
Operating temperature
Storage temperature
Soldering temperature 10 second
Symbol
I
F
I
FM
P
D
V
CEO
V
ECO
I
C
P
C
P
tot
V
iso
T
opr
T
stg
T
sol
Rating
±50
±1
70
60
6
50
150
200
5000
-55 to +100
-55 to +125
260
(Ta=25℃)
Unit
mA
A
mW
V
V
mA
mW
mW
Vrms
℃
℃
℃
Electro-optical Characteristics
Parameter
Forward voltage
Input
Peak forward voltage
Terminal capacitance
Output Collector dark current
Current transfer ratio
Collector-emitter saturation
Transfer
charac- Floating capacitance
teristics
Cut-off frequency
Response time ( Rise )
Response time ( Fall )
Isolation resistance
(Ta=25℃)
Symbol
V
F
V
FM
C
t
I
CEO
CTR
Conditions
I
F
=
±
20mA
I
FM
=
±
0.5A
V=0, f=1KHz
V
CE
=20V
I
F
=
±
1mA, V
CE
=5V
MIN.
-
-
-
-
60
-
5x10
10
-
-
-
-
TYP.
1.2
-
30
-
-
0.1
10
11
0.6
80
5
4
MAX.
1.4
3.0
-
0.1
600
0.3
-
1.0
-
20
20
Unit
V
V
pF
μA
%
V
Ω
pF
KHz
μs
μs
V
CE(sat)
I
F
=
±
20mA, I
C
=1mA
R
iso
C
f
f
C
t
r
t
f
DC500V
V=0, f=1MHz
V
CC
=5V, I
C
=2mA, R
L
=100Ω
V
CE
=2V, I
C
=2mA, R
L
=100Ω
PRODUCT SPECIFICATION
DATE：01/27/2010
cosmo
ELECTRONICS CORPORATION
Photocoupler：
KP3020S
1 4 0
REV.
1
SHEET 4 OF 6
NO.61P12005
Fig.1
vs. Forward Current
Current transfer ratio
CTR ( % )
1 2 0
1 0 0
8 0
6 0
4 0
2 0
0
0 . 1 0 . 2
0 . 5
1
2
Current Transfer Ratio
Classification table of current transfer
ratio is shown below.
Model No.
CTR ( % )
KP3020SA
60 ~ 600
KP3020SB
60 ~ 300
5
1 0
2 0
5 0
Forward current I
F
(mA)
Fig.2
Collector Power Dissipation
P
C
( mW )
Collector Power Dissipation
vs. Ambient Temperature
250
200
150
100
50
0
-55
0
25
50
75
100
125
Fig.3
vs. Ambient Temperature
10
-5
Collector Dark Current
Collector Dark Current
I
CEO
( A )
10
-6
10
10
10
10
-7
-8
-9
Vce=20V
-10
-11
10
-55
0
25
50
75
100
Ambient Temperature Ta (
℃
)
Ambient Temperature Ta (
℃
)
Fig.4
Forward Current I
F
( mA )
Forward Current vs.
Ambient Temperature
60
50
40
30
20
10
0
-55
Fig.5
Forward Voltage
Forward Current I
F
( mA )
500
200
100
50
20
10
5
2
1
1.0
Ta=75° C
50° C
Forward Current vs.
25° C
0° C
-25° C
0
25
50
75
100
125
1.2
1.4
1.6
1.8
2.0
2.2
2.4
Ambient Temperature Ta (
℃
)
Forward Voltage V
F
(V)
PRODUCT SPECIFICATION
DATE：01/27/2010
cosmo
ELECTRONICS CORPORATION
Photocoupler：
KP3020S
Relative Current Transfer
Ratio ( % )
150
REV.
1
SHEET 5 OF 6
NO.61P12005
Fig.6
Collector Current I
C
(mA)
Collector Current vs.
Collector-Emitter Voltage
30
I
F
=30mA
20mA
20
Ta=25°C
Fig.7
vs. Ambient Temperature
Relative Current Transfer Ratio
IF = 1 m A
VC E=5V
100
15mA
10
10mA
5mA
0
0
2
4
6
8
10
50
0
-5 5
0
25
50
75
100
Collector-Emitter Voltage V
CE
(V)
Ambient Temperature Ta (
℃
)
Fig.8
Collector-Emitter Saturation
Voltage V
CE
( V )
Collector-Emitter Saturation
Voltage vs. Ambient Temperature
0 .1 6
0 .1 4
0 .1 2
0 .1 0
0 .0 8
0 .0 6
0 .0 4
0 .0 2
0
-5 5
0
25
50
75
100
Fig.9
Voltage vs. Forward Current
Collector-Emitter Saturation
Voltage V
CE
( V )
6
T a = 2 5 C
I c = 0 . 5 m A
Collector-Emitter Saturation
IF = 2 0 m A
Ic= 1m A
45
I c = 1 m A
3
I c = 3 m A
12
0
I c = 5 m A
I c = 7 m A
0
1
3
5
7
9
1 2
1 5
Ambient Temperature Ta (
℃
)
Forward Current I
F
(mA)
Fig.10
Response Rise Time ( us )
Response Time vs.
Load Resistance
100
50
20
10
5
2
1
0.5
0.2
0.1
0.03
Vce=2V
Ic=2mA
Ta=25° C
Fig.11
Load Resistance
100
Response Time vs.
Vce=2V
Ic=2mA
Ta=25° C
tf
Response Fall Time ( us )
5
10
50
20
10
5
2
1
0.5
0.2
0.1
0.03
tr
0.1 0.2 0.5
1
2
0.1 0.2 0.5
1
2
5
10
Load Resistance R
L
(KΩ)
Load Resistance R
L
(KΩ)
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