Photocoupler
The K201 has one channel in a 4-pin mini-flat SMD package.
The K202 has two channels in a 8-pin mini-flat SMD package.
The K204 has four channels in a 16-pin mini-flat SMD package.
FEATURES
Mini-flat Package
Collector-Emitter Voltage : Min.50V
(at I
F
=
5mA, V
F
=5V)
APPLICATIONS
AC Signal Input
Cordless Phone
Programmable Logic Control
and a Silicon NPN Phototransistor per a channel.
Current Transfer Ratio : 50% Min.
Electrical Isolation Voltage : AC3750V
rms
K201 K202 K204
These Photocouplers consist of two Gallium Arsenide Infrared Emitting
Diodes connected in a reverse-paralled configuration for AC-input
Interface between two circuits of difference Potentail
1/3
DIMENSION (Unit : mm)
K201
K202
K204
Orientation Mark
4
.
4
0
.
2
2.54 0.25
3.6 0.2
0.4 0.1
0
.
1
0
.
1
2
.
5
0
.
2
5.2 0.2
7.0 0.5
0.4Min.
0
.
1
5
0
.
0
5
4
.
4
0
.
2
2
.
5
0
.
2
8.7 0.2
Orientation Mark
0
.
1
5
0
.
0
5
0.4Min.
7.0 0.5
5.2 0.2
2.54 2.54
4
.
4
0
.
2
18.8 0.2
Orientation Mark
5.2 0.2
7.0 0.5
0.4Min.
2
.
5
0
.
2
0
.
1
0
.
1
2.54 2.54
0
.
1
5
0
.
0
5
1
2
3
8
6
5
7
2
3
4
1
1
15
13
11
9
14
16
12
10
4
3
2
6
5
7
8
Photocoupler
MAXIMUM RATINGS (Ta=25
)
*1. Input current with 100
s pulse width, 1% duty cycle
*2. Measured at RH=40~60% for 1min
*3. 1/16 inch form case for 10sec
ELECTRO-OPTICAL CHARACTERISTICS
(Ta=25
, unless otherwise noted)
I
F
=
10mA
V=0, f=1kHz
I
C
=0.5mA
I
E
=0.1mA
I
F
=0, V
CE
=24V
V
CE
=0, f=1MHz
I
F
=
5mA, V
CE
=5V
I
F
=
5mA, I
C
=1mA
V=0, f=1KHz
V
CE
=5V, R
L
=100
I
C
=2mA
*4. CTR=(I
C
/I
F
) X 100 (%)
Rise Time
Condition
CTR1/CTR2
C
T
BV
CEO
CTR
V
CE(SAT)
BV
ECO
I
CEO
C
CE
30
50
-
1
-
-
10
-
Min.
-
-
50
Typ.
1.15
V
K201 K202 K204
Parameter
Lead Soldering Temperature
*3
T
sol
260
-
Unit.
-
-
0.4
-
-
4
-
pF
Symbol
V
F
Max.
1.30
-
-
-
100
pF
%
V
pF
V
V
nA
-
6
-
tr
-
R
IO
0.15
1
10
11
C
IO
RH=40~60%, V=500V
Capacitance
Current Transfer Ratio
*4
Collector-Emitter Saturation Voltage
Input
Output
Forward Voltage
Capacitance
Collector-Emitter Breakdown Voltage
Emitter-Collector Breakdown Voltage
Total Power Dissipation
P
tot
200
mW
-
4
Collector Dark Current
Input-Output Isolation Resistance
Operating Temperature T
opr
-30~+100
Storage Temperature T
stg
-55~+125
Input to Output Isolation Voltage
*2
V
iso
AC3750
V
rms
Collector Power Dissipation
P
C
150
mW
I
C
50
V
V
mA
A
70
mW
Output
Collector-Emitter Breakdown Voltage
BV
CEO
50
Emitter-Collector Breakdown Voltage
BV
ECO
6
Unit
Input
Forward Current
I
F
Peak Forward Current
*1
I
FP
Power Dissipation
P
D
50 mA
Fall Time
tf
Parameter
Symbol
Rating
1
Collector Current
-
Coupled
Symmetry Ratio
Input-Output Capacitance
600
-
-
3
2/3
Photocoupler
K
201
K
202 K204
3/3
Ambient Temperature T
a
(
)
Forward Current vs.
Ambient Temperature
0
-20 0 20
F
o
r
w
a
r
d
C
u
r
r
e
n
t
I
F
(
m
A
)
10
20
40
30
50
40 60 100
80
Collector Power Dissipation vs.
Ambient Temperature
C
o
l
l
e
c
t
o
r
P
o
w
e
r
D
i
s
s
i
p
a
t
i
o
n
P
C
(
m
W
)
-20
0
50
100
150
200
250
Ambient Temperature T
a
(
)
20
0 60
40 100
80
tr
Output
90%
10%
Waveform
tf
Switching Time Test Circuit
V
CC
R
V
IN
Input
Test Circuit
V
O
R
L
Collector Current vs.
Collector-Emitter Voltage
0
C
o
l
l
e
c
t
o
r
C
u
r
r
e
n
t
I
C
(
m
A
)
10
20
30
40
10
8
6
4
2
Collector-Emitter Voltage V
CE
(V)
I
F
=30mA
I
F
=20mA
P
C
(max.)
I
F
=10mA
I
F
=5mA
I
F
=1mA
T
a
=25
Collector Current vs.
Ambient Temperature
I
F
=20mA
I
F
=1mA
Ambient Temperature T
a
(
)
-20
0
0 40
20 60
10
100
C
o
l
l
e
c
t
o
r
C
u
r
r
e
n
t
I
C
(
m
A
)
1
I
F
=5mA
I
F
=10mA
80
D
a
r
k
C
u
r
r
e
n
t
I
C
E
O
(
)
Ambient Temperature T
a
(
)
0
0.001
20 40 80
60 100
V
CE
=24V
Dark Current vs.
Ambient Temperature
0.01
0.1
1
T
a
=25
V
CE
=5V
C
o
l
l
e
c
t
o
r
C
u
r
r
e
n
t
I
C
(
m
A
)
Forward Current I
F
(mA)
0.1
0.001
1
0.01
0.1
1
10
10 100
Collector Current vs.
Forward Current
100
Forward Voltage V
F
(V)
0.4
Forward Current vs.
Forward Voltage
F
o
r
w
a
r
d
C
u
r
r
e
n
t
I
F
(
m
A
)
20
0
60
40
100
80
1.6
T
a
=25
T
a
=70
0.8
T
a
=-55
1.2
Response Time vs.
Load Resistance
Load Resistance R
L
(
)
500
100
10
0.1
R
e
s
p
o
n
s
e
T
i
m
e
t
r
,
t
f
(
s
)
1
0.1
V
CE
=5V
I
C
=2mA
T
a
=25
tr
1.0 2.0
tf
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