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. 168-9683
FabrikantnummerMOC3021
FabrikantLite-On
€ 0,312
Each (In a Tube of 65)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS-stocknr. 691-2265
FabrikantnummerMOC3021
FabrikantLite-On
€ 0,428
Each (In a Pack of 5)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS-stocknr. 691-2287
FabrikantnummerMOC3023
FabrikantLite-On
€ 0,428
Each (In a Pack of 5)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS-stocknr. 168-9688
FabrikantnummerMOC3023
FabrikantLite-On
€ 0,336
Each (In a Tube of 65)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS-stocknr. 691-2306
FabrikantnummerMOC3063
FabrikantLite-On
€ 0,458
Each (In a Pack of 5)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS-stocknr. 168-9692
FabrikantnummerMOC3063
FabrikantLite-On
€ 0,388
Each (In a Tube of 65)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS-stocknr. 691-2079
FabrikantnummerLTV-356T
FabrikantLite-On
€ 0,19
Each (In a Pack of 10)
Aantal stuks
Surface Mount Transistor 1.4V 1 4 Mini-Flat DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS-stocknr. 173-2647
FabrikantnummerLTV-356T
FabrikantLite-On
€ 0,097
Each (On a Reel of 3000)
Aantal stuks
Surface Mount Transistor 1.4V 1 4 Mini-Flat DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS-stocknr. 691-2072
FabrikantnummerLTV-354T
FabrikantLite-On
€ 0,252
Each (In a Pack of 10)
Aantal stuks
Surface Mount Transistor 1.4V 1 4 Mini-Flat AC 4µs 50 mA 5 kVrms - 400% 20 % 3µs
RS-stocknr. 691-2088
FabrikantnummerLTV-357T
FabrikantLite-On
€ 0,19
Each (In a Pack of 10)
Aantal stuks
Surface Mount Transistor 1.4V 1 4 Mini-Flat DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS-stocknr. 173-2645
FabrikantnummerLTV-357T
FabrikantLite-On
€ 0,095
Each (On a Reel of 3000)
Aantal stuks
Surface Mount Transistor 1.4V 1 4 Mini-Flat DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS-stocknr. 168-9656
FabrikantnummerLTV-354T
FabrikantLite-On
€ 0,121
Each (On a Reel of 3000)
Aantal stuks
Surface Mount Transistor 1.4V 1 4 Mini-Flat AC 4µs 50 mA 5 kVrms - 400% 20 % 3µs
RS-stocknr. 168-9691
FabrikantnummerMOC3023S
FabrikantLite-On
€ 0,345
Each (In a Tube of 65)
Aantal stuks
Surface Mount Phototriac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS-stocknr. 691-2299
FabrikantnummerMOC3023S
FabrikantLite-On
€ 0,448
Each (In a Pack of 5)
Aantal stuks
Surface Mount Phototriac - 1 6 PDIP - - 50 mA 5 kVrms - - - -
RS-stocknr. 691-2233
FabrikantnummerLTV-847
FabrikantLite-On
€ 0,695
Each (In a Pack of 2)
Aantal stuks
Through Hole Transistor 1.4V 4 16 PDIP DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS-stocknr. 168-9679
FabrikantnummerLTV-847
FabrikantLite-On
€ 0,595
Each (In a Tube of 25)
Aantal stuks
Through Hole Transistor 1.4V 4 16 PDIP DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS-stocknr. 168-9657
FabrikantnummerLTV-814
FabrikantLite-On
€ 0,198
Each (In a Tube of 100)
Aantal stuks
Through Hole Transistor 1.4V 1 4 PDIP AC 4µs 50 mA 5 kVrms - 300% 20 % 3µs
RS-stocknr. 168-9699
Fabrikantnummer6N139S-L
FabrikantLite-On
€ 0,714
Each (In a Tube of 50)
Aantal stuks
Surface Mount Transistor 1.7V 1 8 SMD DC - 20 mA 5 kVrms Yes 5000% 500 % -
RS-stocknr. 168-9673
FabrikantnummerLTV-827
FabrikantLite-On
€ 0,285
Each (In a Tube of 50)
Aantal stuks
Through Hole Transistor 1.4V 2 8 PDIP DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS-stocknr. 691-2296
FabrikantnummerMOC3023M
FabrikantLite-On
€ 0,352
Each (In a Pack of 5)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 50 mA 5 kVrms - - - -