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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VO2601-X017T


Vishay Semiconductors High Speed Optocouplers 10Mbd High-Speed Single CTR>300%
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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 : 1854
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USD 0.891

Multiples of: 1

4N35-X001


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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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 : 1853
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USD 0.2431

Multiples of: 1

PS2561F-1Y-A


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin DIP Magazine
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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.

Renesas Availability : 1849
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USD 0.3025

Multiples of: 1

K825P


Transistor Output Optocouplers Photodarlington Out Dual CTR > 600%
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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 : 1849
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USD 0.3527

Multiples of: 1

4N35


DIP-6 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.

Youtai Availability : 1847
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USD 0.0775

Multiples of: 5

PC817X3NIP2B


80V 5kV 50mA 100mV@1mA,20mA 1 6V 1.2V DC SOP-4-2.54mm Transistor Output Optocoupler 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.

Sharp Availability : 1847
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USD 0.1026

Multiples of: 5

ILD74-X009T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Dual CTR > 12.5%
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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 : 1844
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USD 0.7572

Multiples of: 1

CNY17-1S-TA1


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:70V
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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.

Lite-On Availability : 1843
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USD 0.1456

Multiples of: 0

TCDT1122


Transistor Output Optocouplers Phototransistor Out
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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 : 1843
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USD 0.2633

Multiples of: 1

TLP2768A(D4-TP,E(T


SOIC-6 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.

Toshiba Availability : 1843
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USD 0.4375

Multiples of: 1

VO4258M


Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 3mA
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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 : 1843
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USD 1.177

Multiples of: 1

FOD260LSV


Fairchild Semiconductor High Speed Optocouplers
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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 : 1843
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USD 1.212

Multiples of: 1

WPPC-D11064AD


Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP
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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.

World Products Availability : 1841
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USD 0.0985

Multiples of: 100

SFH615AGR


Transistor Output Optocouplers Phototransistor Out Single CTR 100-300%
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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 : 1841
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USD 0.2288

Multiples of: 1

MOC3042VM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin400V 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 : 1841
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USD 0.3601

Multiples of: 1

OPI1268S


High Speed Optocouplers OPTOISOLATOR HI-VOLTAGE/HI-SPEED
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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.

TT Electronics Availability : 1841
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USD 9.525

Multiples of: 150

4N37VM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Phototransistor
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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 : 1840
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USD 0.2277

Multiples of: 1

ILD211T


Transistor Output Optocouplers Phototransistor Out Dual CTR >20%
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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 : 1840
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.4829

Multiples of: 1

PS2501-1-A


Transistor Output Optocouplers Hi-Iso Photo 1-Ch
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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.

CEL Availability : 1839
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USD 0.1925

Multiples of: 1

FOD3150


Logic Output Opto-couplers High Noise Immunity 1.0A Out, Gate
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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 : 1839
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USD 0.617

Multiples of: 1

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