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. 146-2112
Fabrikantnummer4N32SM
FabrikantON Semiconductor
0,206 €
Each (In a Bag of 1000)
Aantal stuks
Surface Mount Darlington 1.5V 1 6 DIP DC 5µs 3 A 2.5 kVrms Yes 500% - 100µs
RS-stocknr. 168-9658
FabrikantnummerLTV-814S-TA1
FabrikantLite-On
0,14 €
Each (On a Reel of 1000)
Aantal stuks
Surface Mount Transistor 1.4V 1 4 SMT AC 4µs 50 mA 5 kVrms - 300% 20 % 3µs
RS-stocknr. 808-8847
FabrikantnummerFODM121R2
FabrikantON Semiconductor
0,464 €
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. 168-7413
FabrikantnummerTLP126(TPL,F)
FabrikantToshiba
0,324 €
Each (On a Tape of 150)
Aantal stuks
Surface Mount Transistor 1.3V 1 4 SOP AC, DC 8µs 50 mA 3.75 kVrms - 1200% 100 % 8µs
RS-stocknr. 805-1194
Fabrikantnummer4N32SM
FabrikantON Semiconductor
0,48 €
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. 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. 896-2662
FabrikantnummerTLPN137(F)
FabrikantToshiba
1,054 €
Each (In a Pack of 5)
Aantal stuks
Through Hole IC 1.7V 1 8 DIP AC 12ns 20 mA 5000 Vrms Yes - - 3ns
RS-stocknr. 699-8177
FabrikantnummerCNY74-2H
FabrikantVishay
0,577 €
Each (In a Pack of 10)
Aantal stuks
Through Hole Transistor 1.6V 2 8 PDIP DC 3µs 60 mA 5300 V ac - 600% 50 % 4.7µs
RS-stocknr. 807-6610
FabrikantnummerH11L2SR2M
FabrikantON Semiconductor
0,839 €
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. 922-4810
FabrikantnummerHCPL-3120-000E
FabrikantBroadcom
2,692 €
Each (In a Pack of 5)
Aantal stuks
- - 1.8V - - - - - 16 mA 3750 Vrms - - - -
RS-stocknr. 880-1968
FabrikantnummerOPI1264A
FabrikantOptek
2,40 €
Each (In a Pack of 2)
Aantal stuks
Through Hole NPN Phototransistor, Photosensor 1.6V - 4 - DC - 40 mA 10 Vrms - Minimum of 25% - -
RS-stocknr. 760-3167
FabrikantnummerTLP126(TPL,F)
FabrikantToshiba
0,618 €
Each (In a Pack of 10)
Aantal stuks
Surface Mount Transistor 1.3V 1 4 SOP AC, DC 8µs 50 mA 3750 V ac - 1200% 100 % 8µs
RS-stocknr. 708-5288
Fabrikantnummer4N27
FabrikantVishay
0,292 €
Each (In a Pack of 20)
Aantal stuks
Through Hole Phototransistor 1.5V 1 6 PDIP DC 2µs 60 mA 5000 V ac - 30% 10 % 2µs
RS-stocknr. 178-4751
FabrikantnummerMOC3052M
FabrikantON Semiconductor
0,418 €
Each (In a Tube of 50)
Aantal stuks
Through Hole Triac - 1 6 PDIP - - 60 mA 7.5 kVrms - - - -
RS-stocknr. 178-4830
Fabrikantnummer4N25M
FabrikantON Semiconductor
0,152 €
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. 165-2821
Fabrikantnummer4N27
FabrikantVishay
0,292 €
Each (In a Tube of 50)
Aantal stuks
Through Hole Phototransistor 1.5V 1 6 PDIP DC 2µs 60 mA 5 kVrms - 30% 10 % 2µs
RS-stocknr. 760-3237
FabrikantnummerTLP372(F)
FabrikantToshiba
0,90 €
Each (In a Pack of 5)
Aantal stuks
Through Hole Transistor 1.3V 1 6 DIP DC 40µs 60 mA 5000 V ac - 4000% 1000 % 15µs
RS-stocknr. 796-5308
FabrikantnummerTLP293(E
FabrikantToshiba
0,296 €
Each (In a Pack of 25)
Aantal stuks
Surface Mount Transistor 1.4V 1 4 SOIC DC 2µs 50 mA 3750 Vrms - 600% - 3µs
RS-stocknr. 168-7808
FabrikantnummerTLP175A
FabrikantToshiba
0,565 €
Each (In a Tube of 125)
Aantal stuks
Surface Mount MOSFET 1.4V 1 4 SOIC AC 1ms 80 mA 3.75 kVrms - - - 1ms
RS-stocknr. 169-8705
Fabrikantnummer4N32SR2M
FabrikantON Semiconductor
0,211 €
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