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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HCNW2611-300E


High Speed Optocouplers 10MBd 1Ch 5mA
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Broadcom 127
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AUD 4.2459
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TLP291(BL-TP,SE(T


SO4 Optocouplers - Phototransistor Output ROHS
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Toshiba 126
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AUD 0.4982
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SFH615A-3X008T


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 125
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AUD 0.4111
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4N32SR2M


Transistor Output Optocouplers Optocoupler Photodarlington
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ON Semiconductor 124
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AUD 0.4243
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LDA213


Transistor Output Optocouplers Optocoupler Single-Transistor
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IXYS 124
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AUD 0.7778
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OLS300


Transistor Output Optocouplers Hi-Speed Phototransistor Optocoupler
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Skyworks 124
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AUD 86.0758
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TLP7920(B.F(O


Optically Isolated Amplifiers
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Toshiba 122
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AUD 12.9333
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HCC1001


Transistor Output Optocouplers RAD CAPABLE OPTOISOLATOR SMD
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TT Electronics 122
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AUD 211.0254
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MOC3023VM


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 118
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AUD 0.4746
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4N23


Optek TT Electronics Transistor Output Optocouplers Optocoupled Isolator
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TT Electronics 117
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AUD 54.6683
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