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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TLP2719(E(O


High Speed Optocouplers
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Toshiba 1427
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AUD 1.6667
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TLP292-4(E


Toshiba Transistor Output Optocouplers 4ch Transistor opto coupler
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Toshiba 1424
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AUD 1.0441
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Hot VO0631T


High Speed Optocouplers Dual 10Mbd Hi-Speed Open Drain Out
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Vishay 1423
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AUD 1.7351
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HCPL-0710#560


High Speed Optocouplers 1Ch 150mA 600mW
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Broadcom 1423
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AUD 8.3333
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SFH6206-1T


Transistor Output Optocouplers Phototransistor Out AC-In CTR>40-125%
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Vishay 1422
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AUD 0.5116
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FODM8801CV


Fairchild Semiconductor Transistor Output Optocouplers
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ON Semiconductor 1419
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AUD 1.1314
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MOC3031M


Triac & SCR Output Optocouplers DIP-6 ZERO TRIAC
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ON Semiconductor 1418
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AUD 0.5657
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SFH6206-2X001T


Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%
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Vishay 1417
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AUD 0.5752
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TLP5701(TP4,E


SO-8 Logic Output Optoisolators ROHS
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Toshiba 1417
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AUD 0.9445
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PC925LEYIP0F


- Optocouplers - Logic Output ROHS
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Sharp 1417
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AUD 0.9882
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