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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Omschrijving Prijs 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
RS-stocknr. 178-4828
FabrikantnummerMCT6
FabrikantON Semiconductor
0,236 €
Each (In a Bag of 1000)
Aantal stuks
Through Hole Transistor 1.5V 2 8 PDIP DC - 60 mA 5 kVrms - - 20 % -
RS-stocknr. 671-1412
FabrikantnummerMCT6
FabrikantON Semiconductor
0,56 €
Each (In a Pack of 5)
Aantal stuks
Through Hole Transistor 1.5V 2 8 PDIP DC - 60 mA 5 kVrms - - 20 % -
RS-stocknr. 166-2738
FabrikantnummerFOD817D3SD
FabrikantON Semiconductor
0,124 €
Each (On a Reel of 1000)
Aantal stuks
Surface Mount Phototransistor 1.4V 1 4 DIP DC 4µs 50 mA 5 kVrms - 600% - 3µs
RS-stocknr. 761-4445
FabrikantnummerFOD817D3SD
FabrikantON Semiconductor
0,294 €
Each (On a Tape of 25)
Aantal stuks
Surface Mount Phototransistor 1.4V 1 4 DIP DC 4µs 50 mA 5000 V ac - 600% - 3µs
RS-stocknr. 671-1399
FabrikantnummerH11AA1M
FabrikantON Semiconductor
0,542 €
Each (In a Pack of 5)
Aantal stuks
Through Hole Transistor 1.5V 1 6 PDIP AC - 60 mA 7.5 kVrms - - 20 % -
RS-stocknr. 166-2769
FabrikantnummerH11AA1M
FabrikantON Semiconductor
0,228 €
Each (In a Bag of 1000)
Aantal stuks
Through Hole Transistor 1.5V 1 6 PDIP AC - 60 mA 7.5 kVrms - - 20 % -
RS-stocknr. 805-1194
Fabrikantnummer4N32SM
FabrikantON Semiconductor
0,418 €
Each (In a Pack of 25)
Aantal stuks
Surface Mount Darlington 1.5V 1 6 DIP DC 5µs 3 A 2500 Vrms Yes 500% - 100µs
RS-stocknr. 805-1198
Fabrikantnummer4N32SR2M
FabrikantON Semiconductor
0,428 €
Each (On a Tape of 10)
Aantal stuks
Surface Mount Darlington 1.5V 1 6 PDIP SMD DC 5µs 350 mA 2500 Vrms Yes 500% - 100µs
RS-stocknr. 761-3962
FabrikantnummerMID400
FabrikantON Semiconductor
3,34 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 807-6610
FabrikantnummerH11L2SR2M
FabrikantON Semiconductor
0,827 €
Each (In a Pack of 10)
Aantal stuks
Surface Mount Logic Gate 1.5V 1 6 MDIP DC 0.1µs 30 mA 7500 V ac - - - 0.1µs
RS-stocknr. 178-4751
FabrikantnummerMOC3052M
FabrikantON Semiconductor
0,519 €
Each (In a Tube of 50)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 60 mA 7.5 kVrms - - - -
RS-stocknr. 808-8847
FabrikantnummerFODM121R2
FabrikantON Semiconductor
0,431 €
Each (On a Tape of 20)
Aantal stuks
Surface Mount Phototransistor 1.3V 1 4 MFP DC 3µs 50 mA 3750 Vrms - 600% - 3µs
RS-stocknr. 671-1447
FabrikantnummerMOC3052M
FabrikantON Semiconductor
0,618 €
Each (In a Pack of 5)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 60 mA 7.5 kVrms - - - -
RS-stocknr. 169-8757
FabrikantnummerCNY17F2SR2M
FabrikantON Semiconductor
0,209 €
Each (On a Reel of 1000)
Aantal stuks
Surface Mount Phototransistor 1.65V 1 6 MDIP DC 6µs 60 mA 7.5 kVrms - - - 24µs
RS-stocknr. 166-2560
FabrikantnummerMID400
FabrikantON Semiconductor
1,725 €
Each (In a Bag of 1000)
Aantal stuks
- - 1.5V - - - - - 3 mA 2.5 kVrms - - - -
RS-stocknr. 169-8705
Fabrikantnummer4N32SR2M
FabrikantON Semiconductor
0,225 €
Each (On a Reel of 1000)
Aantal stuks
Surface Mount Darlington 1.5V 1 6 PDIP SMD DC 5µs 350 mA 2.5 kVrms Yes 500% - 100µs
RS-stocknr. 166-2209
FabrikantnummerFODM121R2
FabrikantON Semiconductor
0,176 €
Each (On a Reel of 2500)
Aantal stuks
Surface Mount Phototransistor 1.3V 1 4 MFP DC 3µs 50 mA 3.75 kVrms - 600% - 3µs
RS-stocknr. 166-3805
FabrikantnummerH11L2SR2M
FabrikantON Semiconductor
0,447 €
Each (On a Reel of 1000)
Aantal stuks
Surface Mount Logic Gate 1.5V 1 6 MDIP DC 0.1µs 30 mA 7.5 kVrms - - - 0.1µs
RS-stocknr. 178-4830
Fabrikantnummer4N25M
FabrikantON Semiconductor
0,15 €
Each (In a Bag of 1000)
Aantal stuks
Through Hole Transistor 1.5V 1 6 DIP-W DC 2µs - 4.17 kVrms - - - 2µs
RS-stocknr. 739-0268
Fabrikantnummer4N25M
FabrikantON Semiconductor
0,40 €
Each (In a Pack of 5)
Aantal stuks
Through Hole Transistor 1.5V 1 6 DIP-W DC 2µs - 4170 Vrms - - - 2µs