About Optocouplers / Photocouplers

Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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Hot SFH6186-4T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Vishay Availability : 1085
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USD 0.2856

Multiples of: 1

FOD4216SV


Fairchild Semiconductor Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor Availability : 370
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USD 1.9995

Multiples of: 1

Hot MOC3083SR2M


Triac & SCR Output Optocouplers 6Pin800V Optocoupler Zero Cross Triac Dr
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor Availability : 369
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USD 0.3817

Multiples of: 1

AT816D-FEH-S


5kV 50mA 400mV@1mA,1mA 1 1.2V DC SMD-4P Transistor, Photovoltaic Output Optoisolators ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

AOTE Availability : 368
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USD 0.0335

Multiples of: 10

SFH6286-4T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-500%
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Vishay Availability : 368
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USD 0.4256

Multiples of: 1

14230214010


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x-4L DIP 4 Standard 400V 15mA NZC
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth Availability : 368
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USD 0.4785

Multiples of: 1

4N25-000E


Transistor Output Optocouplers 2500 Vrms 80mA
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Broadcom Availability : 366
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USD 0.4102

Multiples of: 1

CNY17F-4X009


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Vishay Availability : 364
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USD 0.2496

Multiples of: 1

6N137M


1Mbit/s 4.5V~18V 1kV/us DC DIP-8 Logic Output Optoisolators ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

AOTE Availability : 363
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USD 0.1707

Multiples of: 5

HCPL-2231-000E


High Speed Optocouplers 5MBd 2Ch 1.8mA
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Broadcom Availability : 360
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USD 2.3973

Multiples of: 1

TLP2703(E


High Speed Optocouplers Photo-IC 100Kbps CTR=900%min
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Toshiba Availability : 360
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USD 0.5148

Multiples of: 1

VO2611


High Speed Optocouplers 10Mbd Open Collector Single Channel
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Vishay Availability : 360
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USD 0.8889

Multiples of: 1

HCPL0500


High Speed Optocouplers HS Optocoupler 1Ch Transistor
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor Availability : 359
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USD 1.296

Multiples of: 1

PC817C


70V 5000V 50mA 0.1V@1mA,20mA 1 6V 1.2V DC SOP-4-2.54mm Optocouplers - Phototransistor Output ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

SLKORMICRO Availability : 358
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USD 0.0221

Multiples of: 10

14230234010


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x-4L DIP 4 Standard 400V 5mA NZC
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Wurth Availability : 358
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USD 0.4785

Multiples of: 1

ACPL-T350-000E


Logic Output Opto-couplers 2.5A IGBT Gate Drive
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Broadcom Availability : 358
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USD 2.016

Multiples of: 1

PVI5013RPBF


Photodiode Output Optocouplers 2 Form A Photo Voltaic Isolator
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Infineon Availability : 358
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USD 2.9844

Multiples of: 1

VO615A-1X009T


Transistor Output Optocouplers H.Temp Phototrnstr 40-80 % CTR
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Vishay Availability : 357
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USD 0.1143

Multiples of: 1

MOC3042X


Optotriac; 5.3kV; Uout:400V; zero voltage crossing driver; DIP6
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Isocom Availability : 357
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USD 0.3836

Multiples of: 1

HCNW4503-300E


High Speed Optocouplers 1Ch 16mA 700mW
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Broadcom Availability : 355
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USD 1.876

Multiples of: 1

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