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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VO618A-2X017T


Transistor Output Optocouplers SMD-4 OPTOCPL 63-125% CTR VDE -e3
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Vishay 2313
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AUD 0.1806
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QCPL-074H-500E


SOP-8 Transistor, Photovoltaic Output Optoisolators ROHS
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Broadcom 2301
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AUD 1.4314
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FOD2712AR2V


Transistor Output Optocouplers OPTICALLY ISOLATED ERROR AMPLIFIER
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ON Semiconductor 2298
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AUD 0.9586
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SFH6345-X009


Vishay Semiconductors High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>30%
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Vishay 2295
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AUD 1.4404
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FODM453R2V


Fairchild Semiconductor High Speed Optocouplers HSHigh CMR Trans Output Optocoupler
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ON Semiconductor 2293
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AUD 0.7318
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SFH617A-1X007T


Transistor Output Optocouplers Phototransistor Out Single CTR > 40-80%
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Vishay 2276
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AUD 0.5437
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CNY17-2


Transistor Output Optocouplers NPN Phototransistor
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Vishay 2243
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AUD 0.2944
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TLP291(GR.SE(T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV; SO4
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Toshiba 1816
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AUD 0.2988
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HCPL-181-06CE


Transistor Output Optocouplers 3750 Vrms 0.2mA
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Broadcom 1391
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AUD 0.2453
Multiples of: 5

VOT8125AD


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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Vishay 0
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AUD 0.5011
Multiples of: 1

First...171172173174175...

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