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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MOC3010SR2M


Triac & SCR Output Optocouplers 6Pin 250V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 1750
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AUD 0.4236
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TPC816C C9G


Transistor Output Optocouplers Photocoupler DC input 70V 50mA
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Taiwan Semiconductor 1749
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AUD 0.1173
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IL252-X007T


Transistor Output Optocouplers Phototransistor Out AC-In Sing CTR>100%
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Vishay 1746
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AUD 1.0533
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IL755-1X007


Vishay Semiconductors Transistor Output Optocouplers Photodarlington Out Single CTR > 750%
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Vishay 1746
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AUD 1.4058
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4N27SR2M


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:7.5kV
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ON Semiconductor 1740
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AUD 0.3594
Multiples of: 1

ACPL-H342-500E


Avago Technologies Logic Output Optocouplers Optocoupler
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Broadcom 1724
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AUD 2.293
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FODM8801CR2


Transistor Output Optocouplers HighTem PhotoXsistor
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ON Semiconductor 1598
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AUD 1.1418
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TCET1106G


Transistor Output Optocouplers Phototransistor Out Single CTR 100-300%
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Vishay 1464
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AUD 0.2643
Multiples of: 1

HCPL-181-00AE


Transistor Output Optocouplers 3750 Vrms 0.2mA
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Broadcom 587
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AUD 0.3811
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TLP2355(E(T


High Speed Optocouplers
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Toshiba 0
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AUD 0.78
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