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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PC817X4NSZ9F


Transistor Output Optocouplers Photocoupler
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Sharp 5713
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AUD 0.0961
Multiples of: 5

MOCD223VM


Fairchild Semiconductor Transistor Output Optocouplers 8-Pin Optocoupler 2Ch Photodarlington
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ON Semiconductor 4700
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AUD 0.5345
Multiples of: 1

TLP183(TPL,E(T


SOP-4 Optocouplers - Phototransistor Output ROHS
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Toshiba 4690
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AUD 0.4719
Multiples of: 1

FOD8163V


Logic Output Optocouplers SSO6 3.3V 10MB VDE
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ON Semiconductor 4690
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AUD 1.8984
Multiples of: 1

SFH615A-2X006


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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Vishay 4631
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AUD 0.3982
Multiples of: 1

LTV-814


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 4025
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AUD 0.1048
Multiples of: 5

TLP185(BLL-TL,SE(T


SOP-4-2.54mm Optocouplers - Phototransistor Output ROHS
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Toshiba 3812
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AUD 0.1279
Multiples of: 5

VOL618AT


Transistor Output Optocouplers CPLR
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Vishay 3681
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AUD 0.2624
Multiples of: 1

CYPC357(C-TP)


Optocouplers SOP-4 RoHS
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OCIC 2939
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AUD 0.0653
Multiples of: 10

VOM617A-X001T


Transistor Output Optocouplers Phototransistor Out CTR 50-600% 5mA VDE
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Vishay 1711
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AUD 0.1983
Multiples of: 1

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