Optocoupler ICs

An optocoupler, also known as an opto-isolator or photocoupler, is a semiconductor device which is used to couple isolated circuits. Within an optocoupler you will find a light emitter and a light sensor. Optocouplers usually come in a semiconductor package, such as SOIC or PDIP.

How does an optocoupler work?
Optocouplers work by transferring energy from one circuit to another circuit via an optical transmission path, while providing electrical isolation
The light emitter device can come in the form of an LED (light emitting diode) that produces IR or visible light, or a laser diode. The light emitter receives the input and converts it into a light signal. The light detector senses the light emitter and converts it back into an electrical signal.

Optocouplers are often used in high-voltage applications to block the high voltages and variations in voltage. This ensures that, if there is a spike in one part of a circuit, it will not affect other parts. Therefore they are ideal for applications which may experience variations in voltage.

Types of Optocoupler:
• Resistive
• Photodiode
• Phototransistor
• Bidirectional

Output Types
• CMOS
• Darlington
• IGBT Gate Drive
• Logic Gate
• MOSFET
• Photodarlington
• Phototransistor
• Single Transistor
• TRIAC

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Description Price Mounting Type Output Device Maximum Forward Voltage Number of Channels Number of Pins Package Type Input Current Type Typical Rise Time Maximum Input Current Isolation Voltage Logic Output Maximum Current Transfer Ratio Minimum Current Transfer Ratio Typical Fall Time
New
RS Stock No. 210-8059
Mfr. Part No.140816144000
MYR1.18
Each (In a Pack of 50)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8062
Mfr. Part No.140816144200
MYR1.122
Each (On a Reel of 1500)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8040
Mfr. Part No.140816142100
MYR1.121
Each (On a Reel of 1500)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8020
Mfr. Part No.140816140110
MYR1.224
Each (In a Tube of 100)
units
Through Hole - 1.4V 4 4 DIP DC - - - - - - -
New
RS Stock No. 210-8063
Mfr. Part No.140816144200
MYR1.18
Each (In a Pack of 50)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8025
Mfr. Part No.140816140310
MYR1.18
Each (In a Pack of 50)
units
Through Hole - 1.4V 4 4 DIP DC - - - - - - -
New
RS Stock No. 210-8041
Mfr. Part No.140816142100
MYR1.457
Each (In a Pack of 25)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8019
Mfr. Part No.140816140010
MYR1.18
Each (In a Pack of 50)
units
Through Hole - 1.4V 4 4 DIP DC - - - - - - -
New
RS Stock No. 210-8024
Mfr. Part No.140816140310
MYR1.224
Each (In a Tube of 100)
units
Through Hole - 1.4V 4 4 DIP DC - - - - - - -
New
RS Stock No. 210-8026
Mfr. Part No.140816140410
MYR1.224
Each (In a Tube of 100)
units
Through Hole - 1.4V 4 4 DIP DC - - - - - - -
New
RS Stock No. 210-8048
Mfr. Part No.140816143000
MYR1.122
Each (On a Reel of 1500)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8030
Mfr. Part No.140816141110
MYR1.224
Each (In a Tube of 100)
units
Through Hole - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8045
Mfr. Part No.140816142300
MYR1.18
Each (In a Pack of 50)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8065
Mfr. Part No.140816144300
MYR1.457
Each (In a Pack of 25)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8021
Mfr. Part No.140816140110
MYR1.18
Each (In a Pack of 50)
units
Through Hole - 1.4V 4 4 DIP DC - - - - - - -
New
RS Stock No. 210-8022
Mfr. Part No.140816140210
MYR1.224
Each (In a Tube of 100)
units
Through Hole - 1.4V 4 4 DIP DC - - - - - - -
New
RS Stock No. 210-8058
Mfr. Part No.140816144000
MYR1.122
Each (On a Reel of 1500)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8054
Mfr. Part No.140816143300
MYR1.122
Each (On a Reel of 1500)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8042
Mfr. Part No.140816142200
MYR1.122
Each (On a Reel of 1500)
units
Surface Mount - 1.4V 4 4 - DC - - - - - - -
New
RS Stock No. 210-8032
Mfr. Part No.140816141210
MYR1.224
Each (In a Tube of 100)
units
Through Hole - 1.4V 4 4 - DC - - - - - - -