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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PC357N4J000F


Transistor Output Optocouplers 300-600% CTR ranked PC357NJ0000F
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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 : 1804
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USD 0.0847

Multiples of: 5

CNY172SM


Transistor Output Optocouplers Optocoupler Hi Bvceo 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 : 1804
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USD 0.2022

Multiples of: 1

PC817X3NSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS DIP, Optoisolator Transistor Output 1 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.

Sharp Availability : 1804
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USD 0.2365

Multiples of: 1

ACPL-214-500E


Transistor Output Optocouplers 3000Vrms 20% 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.

Broadcom Availability : 1804
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USD 0.3696

Multiples of: 1

VOT8125AG-V


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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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 : 1802
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USD 0.3861

Multiples of: 1

MOC8050M


Transistor Output Optocouplers Hi Volt Photodarling
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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 : 1801
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USD 0.2255

Multiples of: 1

FOD817D


Optocoupler; THT; 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.

ON Semiconductor Availability : 1799
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 0.0913

Multiples of: 1

4N35-X009


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 : 1796
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 0.2134

Multiples of: 1

VO615A-X007T


Transistor Output Optocouplers H.Temp Phototrnstr 50-600% CTR, 5mA
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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 : 1794
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USD 0.1272

Multiples of: 1

6N135S


High Speed Optocouplers High Speed 1MBd Transistor Output
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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 : 1794
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USD 0.2642

Multiples of: 1

FOD852300


Transistor Output Optocouplers OPTO LIGHTING
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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 : 1794
Ship by Mon. 17 Nov to Fri. 21 Nov Calender.png

USD 0.3576

Multiples of: 1

MOC3163SR2M


Triac & SCR Output Optocouplers 6-Pin Optocoupler ZC Triac Driver 600V
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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 : 1794
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 0.7425

Multiples of: 1

IL300-EF-X007T


High Linearity Optocouplers Single Linear High Gain Wide Bandwidth
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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 : 1791
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USD 3.7835

Multiples of: 1

CTM3053(T1)


Optocouplers SOP-4 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.

CT Micro International Availability : 1788
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USD 0.2404

Multiples of: 1

LTV-224


Optocouplers SO-8_4.4mm 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.

Lite-On Availability : 1788
Ship by Mon. 17 Nov to Fri. 21 Nov Calender.png

USD 0.4793

Multiples of: 1

HCPL0700


Fairchild Semiconductor High Speed Optocouplers Hi Gain Optocoupler 1Ch LC Darlington
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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 : 1787
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 1.1704

Multiples of: 1

4N25-X001


Transistor Output Optocouplers Phototransistor Out Single 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 : 1786
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 0.2666

Multiples of: 1

SFH601-2X016


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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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 : 1786
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 0.5445

Multiples of: 1

CYTLP185(BL-TP)


SOP-4 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.

OCIC Availability : 1784
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USD 0.0547

Multiples of: 5

CNY17-4X009


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 : 1783
Ship by Thu. 13 Nov to Mon. 17 Nov Calender.png

USD 0.2255

Multiples of: 1

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