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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LTV-852S


Transistor Output Optocouplers Optocoupler Phototransistor
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Lite-On 2326
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AUD 0.4526
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TCLT1118


Transistor Output Optocouplers Phototransistor 130-260% CTR 5mA
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Vishay 2322
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AUD 0.4635
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VO618A-2X017T


Transistor Output Optocouplers SMD-4 OPTOCPL 63-125% CTR VDE -e3
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Vishay 2313
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AUD 0.1729
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VOT8125AD


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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Vishay 2313
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AUD 0.517
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FOD2712AR2V


Transistor Output Optocouplers OPTICALLY ISOLATED ERROR AMPLIFIER
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ON Semiconductor 2313
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AUD 0.9586
Multiples of: 1

QCPL-074H-500E


SOP-8 Transistor, Photovoltaic Output Optoisolators ROHS
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Broadcom 2307
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AUD 1.7238
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MOCD213R2VM


Transistor Output Optocouplers 8-Pin Optocoupler 2Ch Phototransistor
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ON Semiconductor 2287
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AUD 0.451
Multiples of: 1

TLP105(TPL,F)


250ns 10kV/us DC SOP-5-175mil Optocouplers - Logic Output ROHS
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Toshiba 2255
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AUD 0.9265
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H11B1M


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 1413
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AUD 0.3018
Multiples of: 1

CYPS2701-1(K-TP)


SOP-4 Optocouplers - Phototransistor Output ROHS
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OCIC 0
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AUD 0.0989
Multiples of: 5

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