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
RS Stock No. 691-2233
Mfr. Part No.LTV-847
BrandLite-On
€0.67
Each (In a Pack of 2)
units
Through Hole Transistor 1.4V 4 16 PDIP DC 4µs 50 mA 5 kVrms - 600% 50 % 3µs
RS Stock No. 922-6541
Mfr. Part No.HCPL-2232-000E
BrandBroadcom
€4.259
Each (In a Tube of 50)
units
Through Hole Logic Gate 1.85V 2 8 DIP - 30ns 230 mA 3750 Vrms Yes - - 7ns
RS Stock No. 699-8357
Mfr. Part No.TCMT4100
BrandVishay
€1.80
Each (In a Pack of 2)
units
Surface Mount Transistor 1.6V 4 16 Mini-Flat DC 3µs 60 mA 3750 V ac - 600% 50 % 4.7µs
RS Stock No. 919-0152
Mfr. Part No.SFH617A-3
BrandVishay
€0.431
Each (In a Tube of 100)
units
Through Hole Phototransistor 1.65V 1 4 PDIP DC 3µs 60 mA 5300 V ac - 200% 100 % 14µs
RS Stock No. 108-476
Mfr. Part No.SFH 6286-2T
BrandVishay
€1.186
Each (In a Pack of 5)
units
Surface Mount Transistor 1.5V 1 4 SMD AC - 50 mA 5.3 kVrms - 200% 63 % -
RS Stock No. 450-723
Mfr. Part No.HCPL-J312-300E
BrandBroadcom
€2.66
Each
units
Surface Mount Transistor 1.95V - 8 DIP DC 0.1µs 16 mA 3.75 kVrms Yes - - 0.1µs
RS Stock No. 178-3191
Mfr. Part No.HCPL-J314-000E
BrandBroadcom
€1.561
Each (In a Tube of 50)
units
Through Hole IGBT Gate Drive, MOSFET 1.8V 2 8 DIP DC 50ns 25 mA 3.75 kVrms Yes - - 50ns
RS Stock No. 699-8203
Mfr. Part No.SFH610A-2
BrandVishay
€0.669
Each (In a Pack of 10)
units
Through Hole Transistor 1.65V 1 4 PDIP DC 3µs 60 mA 5300 V ac - 125% 63 % 14µs
RS Stock No. 840-0007
Mfr. Part No.HCPL-2232-000E
BrandBroadcom
€5.70
Each
units
Through Hole Logic Gate 1.85V 2 8 DIP - 30ns 230 mA 3750 Vrms Yes - - 7ns
RS Stock No. 708-5499
Mfr. Part No.SFH617A-3
BrandVishay
€0.604
Each (In a Pack of 10)
units
Through Hole Phototransistor 1.65V 1 4 PDIP DC 3µs 60 mA 5300 V ac - 200% 100 % 14µs
RS Stock No. 919-4362
Mfr. Part No.SFH 6286-2T
BrandVishay
€0.41
Each (On a Reel of 1000)
units
Surface Mount Transistor 1.5V 1 4 SMD AC - 50 mA 5300 V ac - 200% 63 % -
RS Stock No. 818-8385
Mfr. Part No.HCPL-J314-000E
BrandBroadcom
€2.206
Each (In a Pack of 5)
units
Through Hole IGBT Gate Drive, MOSFET 1.8V 2 8 DIP DC 50ns 25 mA 3750 Vrms Yes - - 50ns
RS Stock No. 739-0256
Mfr. Part No.MOC3083M
€0.668
Each (In a Pack of 5)
units
Through Hole Triac 1.5V 1 6 DIP DC - 60 mA 7500 V ac - - - -
RS Stock No. 168-9657
Mfr. Part No.LTV-814
BrandLite-On
€0.205
Each (In a Tube of 100)
units
Through Hole Transistor 1.4V 1 4 PDIP AC 4µs 50 mA 5 kVrms - 300% 20 % 3µs
RS Stock No. 166-2444
Mfr. Part No.MOC3083M
€0.291
Each (In a Bag of 1000)
units
Through Hole Triac 1.5V 1 6 DIP DC - 60 mA 7.5 kVrms - - - -
RS Stock No. 922-5605
Mfr. Part No.HCPL-J312-300E
BrandBroadcom
€1.994
Each (In a Tube of 50)
units
Surface Mount Transistor 1.95V - 8 DIP DC 0.1µs 16 mA 3750 V ac Yes - - 0.1µs
RS Stock No. 165-2471
Mfr. Part No.SFH610A-2
BrandVishay
€0.476
Each (In a Tube of 100)
units
Through Hole Transistor 1.65V 1 4 PDIP DC 3µs 60 mA 5.3 kVrms - 125% 63 % 14µs
RS Stock No. 885-1045
Mfr. Part No.TLP293-4(GB,E(T
BrandToshiba
€1.118
Each (In a Pack of 10)
units
Surface Mount Phototransistor 1.4V 1 16 SOIC DC 2µs 50 mA 3.75 kVrms - 600% - 3µs
RS Stock No. 145-2598
Mfr. Part No.TCMT4100
BrandVishay
€0.701
Each (On a Reel of 2000)
units
Surface Mount Transistor 1.6V 4 16 Mini-Flat DC 3µs 60 mA 3.75 kVrms - 600% 50 % 4.7µs
RS Stock No. 168-7792
Mfr. Part No.TLP220A
BrandToshiba
€1.529
Each (In a Tube of 100)
units
Through Hole MOSFET 1.75V 1 4 DIP AC 0.5ms 500 mA 5 kVrms - - - 0.2ms
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