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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TLP5705H(D4-TP,E


Logic Output Opto-couplers Gate Drive Coupler; High Temp; RoHS; VDE
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Toshiba 1431
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AUD 1.0668
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SFH615A-1X016


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 40-80%
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Vishay 1430
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AUD 0.4941
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ACNW3190-500E


Avago Technologies Logic Output Optocouplers 5.0A IGBT Gate Drive
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Broadcom 1428
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AUD 5.4369
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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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VOT8024AD


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC DIP4
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Vishay 1426
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AUD 0.5861
Multiples of: 1

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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TIL113M


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-DIP
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ON Semiconductor 1423
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AUD 0.3678
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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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SFH6206-2X001T


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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TCET1108G


Transistor Output Optocouplers Phototransistor Out Single CTR 130-260%
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Vishay 1416
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AUD 0.3073
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