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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FOD817300


Transistor Output Optocouplers Phototransistor 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.

ON Semiconductor Availability : 1883
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USD 0.1622

Multiples of: 1

Hot VO0661T


Logic Output Optoisolator 10MBd Open Drain 4000Vrms 2 Channel 15kV/µs CMTI 8-SOIC
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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 : 1882
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USD 1.596

Multiples of: 0

ZSPC-817-Z2


SMD 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.

Chau Light Availability : 1881
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USD 0.0215

Multiples of: 20

TLP291(GRL-TP,SE(T


Optocouplers SO-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.

Toshiba Availability : 1880
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USD 0.182

Multiples of: 1

MOC3082SM


Fairchild Semiconductor 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 : 1879
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USD 0.3784

Multiples of: 1

4N38M


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:7.5kV; 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.

ON Semiconductor Availability : 1878
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USD 0.1872

Multiples of: 1

4N28SR2VM


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 : 1876
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USD 0.2288

Multiples of: 1

IL4218-X019T


Triac & SCR Output Optocouplers Phototriac Output Low Input Current
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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 : 1875
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USD 2.415

Multiples of: 1

TLP785(BLL-TP6,F(C


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.

Toshiba Availability : 1872
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USD 0.0913

Multiples of: 5

CNY17-2X019


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 : 1871
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USD 0.2926

Multiples of: 1

4N28TVM


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 : 1868
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USD 0.3071

Multiples of: 1

TLP2745(TP,E


High Speed Optocouplers Photocoupler
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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 : 1867
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USD 0.4039

Multiples of: 1

VOT8024AM-VT


Triac & SCR Output Optocouplers 800V Vrdm Phototriac SOP-4; UL, cUL, VDE
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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 : 1867
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USD 0.7448

Multiples of: 1

VO617A-9


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 200-400%
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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 : 1866
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.1089

Multiples of: 1

FOD8012AR2


High Speed Optocouplers Bi-Direct High Speed Logic Gate Optocoupl
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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 : 1865
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 5.6679

Multiples of: 1

ACPL-W346-500E


Logic Output Optocouplers OPTOCOUPLER GATE DRV TR+LF
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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 : 1864
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USD 1.4857

Multiples of: 1

MOC3061SM


Triac & SCR Output Optocouplers 6Pin600V 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 : 1858
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.3564

Multiples of: 1

VO615A-3X008T


Transistor Output Optocouplers H.Temp Phototrnstr 100-200% 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 : 1856
Ship by Wed. 12 Nov to Fri. 14 Nov Calender.png

USD 0.1089

Multiples of: 1

Hot IL205AT


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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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 : 1856
Ship by Fri. 14 Nov to Thu. 20 Nov Calender.png

USD 0.2403

Multiples of: 1

FOD2743BTV


Fairchild Semiconductor Transistor Output Optocouplers Error Amp Coupler 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.

ON Semiconductor Availability : 1854
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USD 0.851

Multiples of: 1

First...96979899100...

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