Photocoupler
The KPC714A has one channel in a 4-pin DIP package
The KPC724A has two channels in a 8-pin DIP package
The KPC744A has four channels in a 16-pin DIP package
FEATURES
Small Package Size
Collector-Emitter Voltage : Min.35V
Current Transfer Ratio : 50% Min.(at IF=
1mA)
UL Recognized File No. E107486
APPLICATIONS
AC Signal Input
Interface between two circuits of difference
Vending Machine
Cordless Phone, Key Phone
Programmable Logic Control
KPC714A KPC724A KPC744A
These Photocouplers consist of two Gallium Arsenide Infrared Emitting
Diodes connected in a reverse-paralled configuration for AC-input
Electrical Isolation Voltage : AC2500Vrms
and a Silicon NPN Phototransistor per a channel
DIMENSION
(Unit : mm)
KPC714
A
KPC724
A
KPC744
A
0.25
0 ~15
6
.
5
0
.
2
5
Orientation Mark
0
.
5
1
M
i
n
.
3
.
5
0
.
2
5
2
.
5
M
i
n
.
0.5
1.2
2.54 0.25
6.5
7.62 0.25
4.6 0.25
1 2
4 3
0 ~15
0.25
6
.
5
0
.
2
5
0
.
5
1
M
i
n
.
3
.
5
0
.
2
5
2
.
5
M
i
n
.
2.54 0.25
1.2
0.5
6.5
7.62 0.25
9.7 0.25
Orientation Mark
8 6
5
7
2 3
4
1
7.62 0.25
6
.
5
0
.
2
5
19.8 0.25
3
.
5
0
.
2
5
0
.
5
1
M
i
n
.
2
.
5
M
i
n
.
0.5
1.2
2.54 0.25
0 ~15
0.25
6.5
Orientation Mark
1
15
13 11 9
14
16
12 10
4
3
2 6
5 7 8
1/3
Photocoupler
MAXIMUM RATINGS
(Ta=25
)
*1. Input current with 100
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=1kHz
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 (%)
Parameter
Symbol
Rating
Unit
50 mA
Input
Forward Current
I
F
Peak Forward Current
*1
I
FP
Power Dissipation
P
D
1 A
70
mW
Output
Collector-Emitter Breakdown Voltage
BV
CEO
35
Emitter-Collector Breakdown Voltage
BV
ECO
6
Collector Current
I
C
50
V
V
mA
Collector Power Dissipation
P
C
150
mW
Input to Output Isolation Voltage
*2
V
iso
AC2500 V
rms
Storage Temperature T
stg
-55~+125
Operating Temperature T
opr
-30~+100
Collector Dark Current
Input-Output Isolation Resistance
Input-Output Capacitance
Capacitance
Total Power Dissipation
P
tot
200
mW
Current Transfer Ratio
*4
Collector-Emitter Saturation Voltage
Input
Output
Forward Voltage
Capacitance
Collector-Emitter Breakdown Voltage
Emitter-Collector Breakdown Voltage
V
V
nA
-
-
3
pF
%
V
pF
Symbol
V
F
1
-
-
tr
-
R
IO
0.2
1
Max.
1.30
-
-
-
100
-
Unit.
pF
-
-
0.4
-
-
4
- -
Typ.
1.15
V
KPC714A KPC724A KPC744A
Parameter
Lead Soldering Temperature
*3
T
sol
260
-
Min.
-
-
35
6
30
50
4
10
11
C
CE
-
-
-
10
-
C
IO
Coupled
Rise Time
Fall Time
Condition
tf
C
T
CTR
I
F
=
1mA, V
CE
=5V
CTR1/CTR2
Symmetry Ratio
RH=40~60%, V=500V
BV
CEO
V
CE(SAT)
BV
ECO
I
CEO
2/3
600
Photocoupler
KPC714A KPC724A KPC744A
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
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)
tr
Output
90%
10%
Waveform
tf
Switching Time Test Circuit
V
CC
R
V
IN
Input
Test Circuit
V
O
R
L
I
F
=5mA
I
F
=10mA
I
F
=20mA
I
F
=30mA
T
a
=25
P
C
(max.)
I
F
=15mA
I
F
=25mA
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
Collector Current vs.
Forward Current
100
T
a
=-55
100
Forward Voltage V
F
(V)
0.4
0
60
40
20
80
F
o
r
w
a
r
d
C
u
r
r
e
n
t
I
F
(
m
A
)
0.8 1.2
T
a
=25
T
a
=70
Forward Current vs.
Forward Voltage
1.6
D
a
r
k
C
u
r
r
e
n
t
I
C
E
O
(
)
40
Ambient Temperature T
a
(
)
0
0.001
20 60 80
V
CE
=24V
Dark Current vs.
Ambient Temperature
0.01
0.1
1
I
F
=20mA
Collector Current vs.
Ambient Temperature
I
F
=1mA
Ambient Temperature T
a
(
)
-20
0
0 40
20 60
100
10
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
V
CE
=5V
I
C
=2mA
T
a
=25
T
a
=25
V
CE
=5V
500
R
e
s
p
o
n
s
e
T
i
m
e
t
r
,
t
f
(
s
)
0.1
1
10
100
C
o
l
l
e
c
t
o
r
C
u
r
r
e
n
t
I
C
(
m
A
)
Load Resistance R
L
(
)
0.1
tr
1.0 2.0
tf
Forward Current I
F
(mA)
0.1
0.001
1
0.01
0.1
1
10
10 100
Response Time vs.
Load Resistance
Collector Current vs.
Forward Current
100
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