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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TCET1106


Transistor Output Optocouplers Phototransistor Out
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Vishay 4162
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AUD 0.2413
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TCMT1101


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out
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Vishay 4160
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AUD 0.3058
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FODM611R2


Optocoupler; SMD; Channels:1; Out: open collector; 3.75kV; 40kV/μs
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ON Semiconductor 4149
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AUD 0.8174
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PS2802-1-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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CEL 4110
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AUD 1.8
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FOD4208SV


Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 4110
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AUD 3.1557
Multiples of: 1

TLP290(GB.SE(T


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV; SO4
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Toshiba 4104
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AUD 0.4356
Multiples of: 1

LTV-702VS-TA1


Transistor Output Optocouplers Optocoupler
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Lite-On 4092
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AUD 0.1962
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TLP5701(D4-TP,E


Logic Output Optocouplers Photocoupler, Photo IC Output
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Toshiba 4085
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AUD 0.682
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MOC205R2M


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 4079
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AUD 0.3661
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PC817X4NSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS DIP, Optoisolator Transistor Output 1 Channel
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Sharp 4024
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AUD 0.3201
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