Photocoupler
The PC-17T1 has one channel in a 4-pin DIP package
The PC-17T2 has two channels in a 8-pin DIP package
The PC-17T4 has four channels in a 16-pin DIP package
FEATURES
Small Package Size
Collector-Emitter Voltage : Min.35V
Current Transfer Ratio : Min.50% (at I
F
=5mA, V
CE
=5V)
Electrical Isolation Voltage : AC2500V
rms
UL Recognized File No. E107486
APPLICATIONS
Interface between two circuits of different potential
Vending Machine, Cordless Phone, Key Phone, Fax, Motor Control
Programmable Logic Control
Power Supply
Computer Terminals
PC-17T1 PC-17T2 PC-17T4
These Photocouplers consist of a Gallium Arsenide Infrared Emitting
Diode and a Silicon NPN Phototransistor per a channel
DIMENSION
(Unit : mm)
1/3
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
PC-17T1 PC-17T2
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
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
PC-17T4
3
4
2
1
1 4
3
2
7 5
6
8
8
7
5 6
2 3
4
10
12
16 14 9
11
13
15
1
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
R
=5V
V=0, f=1MHz
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=1MHz
V
CE
=5V, R
L
=100
I
C
=2mA
*4. CTR=(I
C
/I
F
) X 100 (%)
Parameter Symbol Rating Unit
Input
Forward Current I
F
Reverse Voltage V
R
Peak Forward Current
*1
I
FP
Power Dissipation P
D
50 mA
5 V
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
Lead Soldering Temperature
*3
T
sol
260
Total Power Dissipation P
tot
200 mW
Collector-Emitter Breakdown Voltage
Emitter-Collector Breakdown Voltage
Collector Dark Current
Input-Output Isolation Resistance
Parameter
Capacitance
Current Transfer Ratio
*4
Collector-Emitter Saturation Voltage
Input-Output Capacitance
Input
Output
Forward Voltage
Capacitance
600
-
-
tr
-
R
IO
0.15
1
10
11
C
IO
V
V
nA
-
pF
%
V
pF
-
pF
Symbol
V
F
I
R
Max.
1.30
10
-
-
-
100
-
Unit.
-
-
0.4
-
-
4
-
Typ.
1.15 V
-
-
Min.
-
-
35
6
-
30
50
4
-
-
-
10
-
Reverse Current
tf
C
T
BV
CEO
CTR
V
CE(SAT)
BV
ECO
I
CEO
C
CE
PC-17T1 PC-17T2 PC-17T4
RH=40~60%, V=500V
Coupled
Rise Time
Fall Time
Condition
2/3
Photocoupler
PC-17T1 PC-17T2 PC-17T4
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
Collector Current vs.
Forward Current
40 60 100
0.1 1
C
o
l
l
e
c
t
o
r
C
u
r
r
e
n
t
I
C
(
m
A
)
0.1
1
100
10
0.1
0.1
Load Resistance R
L
()
Response Time vs.
Load Resistance
R
e
s
p
o
n
s
e
T
i
m
e
t
r
,
t
f
(
s
)
10
100
80
D
a
r
k
C
u
r
r
e
n
t
I
C
E
O
(
)
Ambient Temperature T
a
( )
0
0.001
0.01
40
20
0.1
1
80
60
Dark Current vs.
Ambient Temperature
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
100
0.001
0.01
10
Forward Current vs.
Forward Voltage
F
o
r
w
a
r
d
C
u
r
r
e
n
t
I
F
(
m
A
)
0
80
1.6
1.2
0.8
0.4
Forward Voltage V
F
(V)
20
40
60
100
C
o
l
l
e
c
t
o
r
C
u
r
r
e
n
t
I
C
(
m
A
)
0 40
20 80
60
Ambient Temperature T
a
( )
Collector Current vs.
Ambient Temperature
10
0
1
100
Output
Input
Test Circuit
V
IN
R
R
L
V
O
V
CC
Waveform
10%
90%
Switching Time Test Circuit
tr
tf
1
500
-20
T
a
=70
T
a
=25
T
a
=-55
I
F
=20mA
I
F
=10mA
I
F
=5mA
I
F
=1mA
T
a
=25
V
CE
=5V
tr
tf
V
CE
=5V
I
C
=2mA
T
a
=25
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)
T
a
=25
P
C
(MAX.)
I
F
=1mA
I
F
=5mA
I
F
=10mA
I
F
=20mA
I
F
=30mA
V
CE
=24V
1.0 2.0
Forward Current I
F
(mA)
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