End of Life March-2018 - Alternative Device: CNY17
IL255
www.vishay.com
Vishay Semiconductors
Optocoupler, Phototransistor Output, AC Input,
With Base Connection
DIP
FEATURES
• AC or polarity insensitive inputs
• Continuous forward current, 130 mA
A/C
C/A
1
2
3
6 B
5 C
4 E
• Built-in reverse polarity input protection
• Improved CTR symmetry
• Industry standard DIP package
• Material categorization: for definitions of
compliance please see
www.vishay.com/doc?99912
SMD
NC
APPLICATIONS
• Telecommunications
• Ring detection
i179005-3
• Loop current detector
DESCRIPTION
The IL255 is a bidirectional input optically coupled isolator
consisting of two high current GaAs infrared LEDs coupled
to a silicon NPN phototransistor. The IL255 has a minimum
CTR of 20 %.
This optocoupler is ideal for applications requiring AC signal
detection and monitoring.
AGENCY APPROVALS
• UL1577, file no. E52744, double protection
• cUL tested to CSA 22.2 bulletin 5A
• BSI EN 60950, BSI EN 60065
ORDERING INFORMATION
I
L
2
5
5
-
#
CTR
BIN
X
0
0
#
T
TAPE
AND
REEL
DIP-6
Option 7
PART NUMBER
PACKAGE OPTION
7.62 mm
> 0.7 mm
AGENCY CERTIFIED/PACKAGE
UL, cUL, BSI
DIP-6
SMD-6, option 7
≥
20
-
IL255-X007T
CTR (%)
≥
50
IL255-2
-
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
INPUT
Peak pulsed current
Forward continuous current
Power dissipation
Derate linearly from 25 °C
OUTPUT
Collector emitter breakdown voltage
Emitter base breakdown voltage
Collector base breakdown voltage
Power dissipation
Derate linearly from 25 °C
BV
CEO
BV
EBO
BV
CBO
P
diss
30
5
70
200
2.6
V
V
V
mW
mW/°C
1 μs, 300 pps
I
FP
I
F
P
diss
3
130
175
2.3
A
mA
mW
mW/°C
TEST CONDITION
SYMBOL
VALUE
UNIT
Rev. 1.9, 23-Jul-15
Document Number: 83619
1
For technical questions, contact:
optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
End of Life March-2018 - Alternative Device: CNY17
IL255
www.vishay.com
Vishay Semiconductors
TEST CONDITION
SYMBOL
P
tot
T
stg
T
amb
VALUE
250
3.3
-55 to +150
-55 to +100
10
UNIT
mW
mW/°C
°C
°C
s
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
COUPLER
Total dissipation
Derate linearly from 25 °C
Storage temperature
Operating temperature
Lead soldering time at
≥
260 °C
(1)
Notes
• Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not
implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute
maximum ratings for extended periods of the time can adversely affect reliability
(1)
Refer to reflow profile for soldering conditions for surface mounted devices (SMD). Refer to wave profile for soldering conditions for through
hole devices (DIP)
ELECTRICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
INPUT
Forward voltage
OUTPUT
Collector emitter breakdown voltage
Emitter collector breakdown voltage
Collector base breakdown voltage
Emitter base breakdown voltage
Collector emitter leakage current
COUPLER
Collector emitter saturation voltage
I
F
= ± 10 mA, I
C
= 0.5 mA
I
F
= ± 16 mA, I
C
= 2 mA
IL255
IL255-2
V
CEsat
V
CEsat
-
-
-
-
0.4
0.4
V
V
I
C
= 10 mA
I
E
= 10 μA
I
C
= 100 μA
I
E
= 100 μA
V
CE
= 10 V
BV
CEO
BV
ECO
BV
CBO
BV
EBO
I
CEO
30
7
70
70
-
50
10
-
-
5
-
-
-
-
50
V
V
V
V
nA
I
F
= ± 100 mA
V
F
1.4
1.7
V
TEST CONDITION
PART
SYMBOL
MIN.
TYP.
MAX.
UNIT
Note
• Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering
evaluation. Typical values are for information only and are not part of the testing requirements
CURRENT TRANSFER RATIO
(T
amb
= 25 °C, unless otherwise specified)
PARAMETER
Current transfer ratio
Current transfer ratio symmetry
TEST CONDITION
I
F
= ± 10 mA, V
CE
= 10 V
I
F
= ± 10 mA, V
CE
= 10 V
I
F
= ± 10 mA, V
CE
= 10 V
I
F
= ± 10 mA, V
CE
= 10 V
PART
IL255
IL255-2
IL255
IL255-2
SYMBOL
CTR
CTR
MIN.
20
50
0.33
0.5
TYP.
-
-
-
1
MAX.
-
-
3
2
UNIT
%
%
Rev. 1.9, 23-Jul-15
Document Number: 83619
2
For technical questions, contact:
optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
End of Life March-2018 - Alternative Device: CNY17
IL255
www.vishay.com
Vishay Semiconductors
TEST CONDITION
According to IEC 68 part 1
CTI
t = 1 min
V
ISO
V
IOTM
V
IORM
V
IO
= 500 V, T
amb
= 25 °C
V
IO
= 500 V, T
amb
= 100 °C
R
IO
R
IO
P
SO
I
SI
T
S
SYMBOL
VALUE
55 / 100 / 21
175
4420
10 000
890
≥
10
12
≥
10
11
400
275
175
≥
7
≥
7
DTI
≥
0.4
V
RMS
V
peak
V
peak
Ω
Ω
mW
mA
°C
mm
mm
mm
UNIT
SAFETY AND INSULATION RATINGS
PARAMETER
Climatic classification
Comparative tracking index
Maximum rated withstanding isolation voltage
Maximum transient isolation voltage
Maximum repetitive peak isolation voltage
Isolation resistance
Output safety power
Input safety current
Safety temperature
Creepage distance
Clearance distance
Insulation thickness
Note
• As per IEC 60747-5-5, § 7.4.3.8.2, this optocoupler is suitable for “safe electrical insulation” only within the safety ratings. Compliance with
the safety ratings shall be ensured by means of protective circuits
TYPICAL CHARACTERISTICS
(T
amb
= 25 °C, unless otherwise specified)
iil255_01
140
120
100
80
60
40
20
00
-20
-40
-60
-80
-100
-120
-140
- 2.0 - 1.5 - 1.0 - 0.5 0.0 0.5 1.0 1.5 2.0
V
F
- LED Forward Voltage (V)
200
175
P
LED
- LED Power (mW)
150
125
100
75
50
25
T
J(max)
= 100 °C
I
F
- LED Current (mA)
iil255_03
0
- 60 - 40 - 20 0
20 40 60 80 100
T
A
- Ambient Temperature (°C)
Fig. 1 - LED Forward Current vs.Forward Voltage
Fig. 3 - Maximum LED Power Dissipation
iil255_02
140
R
th
= 430 °C/W
120
100
80
60
40
20
00
-20
-40
-60
-80
-100
-120
-140
- 60 - 40 - 20 0
20 40 60 80 100
T
a
- Ambient Temperature (°C)
250
CTR
ce
- Current Transfer Ratio (%)
200
V
ce
= 10 V
150
100
V
ce
= 0.4 V
50
0
-1
iil255_04
I
F
- LED Forward Current (mA)
1
10
I
F
- LED Current (mA)
100
Fig. 2 - Maximum LED Current vs. Ambient Temperature
Fig. 4 - Current Transfer Ratio vs.
LED Current and Collector-Emitter Voltage
Rev. 1.9, 23-Jul-15
Document Number: 83619
3
For technical questions, contact:
optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
End of Life March-2018 - Alternative Device: CNY17
IL255
www.vishay.com
I
CE
- Collector Emitter Current (mA)
Vishay Semiconductors
14
I
F
= 8 mA
12
10
8
6
4
2
0
0
0.2 0.4
I
F
= 7 mA
I
F
= 6 mA
I
F
= 5 mA
I
F
= 4 mA
I
F
= 3 mA
I
F
= 2 mA
I
F
=1 mA
0.6 1.0 1.4 1.8
2.2
100
I
ce
- Collector Emitter Current (mA)
90
80
70
60
50
40
30
20
10
0
0
iil255_05
T
a
= 25 °C
V
ce
= 10 V
Pulse Operation
DC Operation
Vce = 0.4 V
25
50
75
100
125
I
F
- LED Current (mA)
150
iil255_07
V
CE
Collector Emitter Voltage (V)
Fig. 5 - Non-Saturated and Saturated Collector Emitter Current vs.
LED Current
Fig. 7 - Collector Emitter Current vs. LED Collector Emitter Voltage
100
I
ce
- Collector Emitter Current (mA)
V
ce
= 10 V
10
V
ce
= 0.4 V
1
0.1
0.01
-1
1
10
100
iil255_06
Fig. 6 - Non-Saturated and Saturated Collector Emitter Current vs.
LED Current
PACKAGE DIMENSIONS
in millimeters
3
2
1
Pin one ID
6.4 ± 0.1
4
5
8.6 ± 0.1
6
ISO method A
Option 7
7.62 typ.
1 min.
1.2 ± 0.1
7.62 typ.
3.555 ± 0.255
18°
4° typ.
0.8 min.
0.85 ± 0.05
0.5 ± 0.05
3° to 9°
0.25 typ.
7.62 to 8.81
i178004-1
0.7
4.6
4.1
8 min.
8.4 min.
10.3 max.
2.95 ± 0.5
2.54 typ.
Rev. 1.9, 23-Jul-15
Document Number: 83619
4
For technical questions, contact:
optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
End of Life March-2018 - Alternative Device: CNY17
IL255
www.vishay.com
PACKAGE MARKING
IL255
V YWW H 68
Notes
• Only option 7 reflected in the package marking
• Tape and reel suffix (T) is not part of the package marking
Vishay Semiconductors
Rev. 1.9, 23-Jul-15
Document Number: 83619
5
For technical questions, contact:
optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
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