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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Hot SFH6186-4T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1085
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AUD 0.4556
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HCPL-2231-000E


High Speed Optocouplers 5MBd 2Ch 1.8mA
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Broadcom 360
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AUD 3.8053
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TLP2703(E


High Speed Optocouplers Photo-IC 100Kbps CTR=900%min
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Toshiba 360
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AUD 0.8171
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VO2611


High Speed Optocouplers 10Mbd Open Collector Single Channel
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Vishay 360
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AUD 1.411
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HCPL0500


High Speed Optocouplers HS Optocoupler 1Ch Transistor
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ON Semiconductor 359
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AUD 2.0571
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14230234010


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x-4L DIP 4 Standard 400V 5mA NZC
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Wurth 358
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AUD 0.7595
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ACPL-T350-000E


Logic Output Opto-couplers 2.5A IGBT Gate Drive
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Broadcom 358
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AUD 3.2
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PVI5013RPBF


Photodiode Output Optocouplers 2 Form A Photo Voltaic Isolator
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Infineon 358
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AUD 4.7371
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VO615A-1X009T


Transistor Output Optocouplers H.Temp Phototrnstr 40-80 % CTR
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Vishay 357
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AUD 0.1815
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MOC3042X


Optotriac; 5.3kV; Uout:400V; zero voltage crossing driver; DIP6
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Isocom 357
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AUD 0.6089
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