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

...
Read more Read less

Filters

Viewing 1 - 20 of 3969 products
Results per page
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. 756-3707
Mfr. Part No.TLP759(D4-IGM,J,F)
BrandToshiba
MYR11.90
Each
units
Through Hole Transistor 1.85V 1 8 DIP DC - 25 mA 5000 V ac Yes 40% 20 % -
RS Stock No. 542-5943
Mfr. Part No.TLP550(F)
BrandToshiba
MYR17.244
Each (In a Pack of 5)
units
Through Hole Transistor 1.85V 1 8 PDIP DC - 25 mA 2.5 kVrms Yes 30% 10 % -
RS Stock No. 799-5306
Mfr. Part No.TLP250H(F)
BrandToshiba
MYR8.235
Each (In a Pack of 2)
units
Through Hole Transistor 1.8V 1 8 DIP AC 50ns 20 mA 5000 Vrms Yes - - 50ns
RS Stock No. 756-3494
Mfr. Part No.TLP531(GB,F)
BrandToshiba
MYR2.122
Each (In a Pack of 5)
units
Through Hole Phototransistor 1.3V 1 6 DIP DC 2µs 25 mA 2500 V ac - 600% 100 % 3µs
RS Stock No. 896-2546
Mfr. Part No.TLP250H(F)
BrandToshiba
MYR5.995
Each (In a Pack of 2)
units
Through Hole IC 1.8V 1 8 DIP AC 50ns 20 mA 5000 Vrms Yes - - 50ns
RS Stock No. 632-4857
Mfr. Part No.PS2502-4-A
MYR20.83
Each
units
Through Hole Darlington 1.4V 4 16 PDIP DC 100µs 80 mA 5000 Vrms - 2000% 200 % 100µs
RS Stock No. 168-6126
Mfr. Part No.PS2502-4-A
MYR11.182
Each (In a Tube of 20)
units
Through Hole Darlington 1.4V 4 16 PDIP DC 100µs 80 mA 5 kVrms - 2000% 200 % 100µs
RS Stock No. 100-0151
Mfr. Part No.TLP250(F)
BrandToshiba
MYR8.632
Each (In a Pack of 5)
units
Through Hole Transistor 1.3V 1 8 PDIP DC 2µs 300 mA 2500 V ac Yes - - -
RS Stock No. 708-5398
Mfr. Part No.ILQ615-4
BrandVishay
MYR12.52
Each (In a Pack of 5)
units
Through Hole Transistor 1.3V 4 16 PDIP DC 4.6µs 60 mA 5300 V ac - 320% 160 % 15µs
RS Stock No. 145-2624
Mfr. Part No.ILQ615-4
BrandVishay
MYR6.007
Each (In a Tube of 25)
units
Through Hole Transistor 1.3V 4 16 PDIP DC 4.6µs 60 mA 5.3 kVrms - 320% 160 % 15µs
RS Stock No. 597-289
Mfr. Part No.4N25
BrandIsocom
MYR2.10
Each
units
Through Hole Transistor 1.5V 1 6 PDIP DC 2µs 60 mA 5.3 kVrms - - 20 % 2µs
RS Stock No. 799-5315
Mfr. Part No.TLP2630(F)
BrandToshiba
MYR10.43
Each (In a Pack of 2)
units
Through Hole Transistor 1.75V 1 8 DIP AC 30ns 5 mA 2500 Vrms Yes - - 30ns
RS Stock No. 625-8687
Mfr. Part No.TLP2630(F)
BrandToshiba
MYR10.43
Each
units
Through Hole Transistor 1.75V 2 8 DIP - 30ns 20 mA 2.5 kVrms Yes - - 30ns
RS Stock No. 708-5275
Mfr. Part No.4N25
BrandVishay
MYR1.396
Each (In a Pack of 50)
units
Through Hole Transistor 1.5V 1 6 PDIP DC 2µs 60 mA 5000 V ac - 50% 20 % 2µs
RS Stock No. 896-2549
Mfr. Part No.TLP2630(F)
BrandToshiba
MYR9.91
Each (In a Pack of 2)
units
Through Hole IC 1.75V 1 8 DIP AC 30ns 5 mA 2500 Vrms Yes - - 30ns
RS Stock No. 178-3251
Mfr. Part No.ACPL-W346-000E
BrandBroadcom
MYR10.72
Each (In a Tube of 100)
units
Surface Mount SiC MOSFET Gate Drive 1.95V 1 6 SO6 - 30ns 25 mA 3.75 kVrms Yes - - 30ns
RS Stock No. 168-8528
Mfr. Part No.4N25
BrandIsocom
MYR1.438
Each (In a Tube of 65)
units
Through Hole Transistor 1.5V 1 6 PDIP DC 2µs 60 mA 5.3 kVrms - - 20 % 2µs
RS Stock No. 919-0054
Mfr. Part No.4N25
BrandVishay
MYR1.334
Each (In a Tube of 50)
units
Through Hole Transistor 1.5V 1 6 PDIP DC 2µs 60 mA 5000 V ac - 50% 20 % 2µs
RS Stock No. 830-5000
Mfr. Part No.ACPL-W346-000E
BrandBroadcom
MYR17.14
Each (In a Pack of 2)
units
Surface Mount SiC MOSFET Gate Drive 1.95V 1 6 SO6 - 30ns 25 mA 3750 Vrms Yes - - 30ns
RS Stock No. 178-3205
Mfr. Part No.HCPL-3120-000E
BrandBroadcom
MYR8.47
Each (In a Tube of 50)
units
- - - - - - - - - - - - - -
Related Products
Semiconductor relay featuring Toshiba's state-of-the-art MOSFET technologyEconomical product ...
Description:
Semiconductor relay featuring Toshiba's state-of-the-art MOSFET technologyEconomical product comparable in cost to a general-purpose mechanical relay.
The TLP521-4 are quad channel optocouplers. Each channel ...
Description:
The TLP521-4 are quad channel optocouplers. Each channel is composed of a Gallium Arsenide infra-red emitting diode and a silicon photo transistor. Package style for this devices is 16 pin, with surface mount, butt cut and gull wing options available. ...
The Avago Technologies optically isolated gate drive devices ...
Description:
The Avago Technologies optically isolated gate drive devices are optimised for driving IGBT and Power MOSFET transistors. The optocouplers exhibit rail-to-rail output, fast gate switching speed, high Common Mode Rejection (CMR) and reinforced insulation. Avago Technologies R2Coupler™ isolation products provide ...
10 MBd digital optocouplers are suited for isolated ...
Description:
10 MBd digital optocouplers are suited for isolated communication logic interface and control in industrial power systems, factory automation, power supplies, and medical equipment applications.