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 TCLT1005


Transistor Output Optocouplers Phototransistor Out
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Vishay 1261
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AUD 0.3441
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IL410-X009T


Vishay Semiconductors Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 362
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AUD 2.2157
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TLP351A(F)


Logic Output Optocouplers Photo-IC 3750 Vrms 0.35 ms 5mA Low PWR
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Toshiba 361
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AUD 0.8596
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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 0.759
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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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PVI5013RPBF


Photodiode Output Optocouplers 2 Form A Photo Voltaic Isolator
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Infineon 358
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AUD 4.2634
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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 357
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AUD 0.6364
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ACPL-T350-000E


Logic Output Opto-couplers 2.5A IGBT Gate Drive
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Broadcom 356
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AUD 2.94
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4N25-V


Optocoupler; THT; Ch: 1; OUT: transistor; Uinsul: 2.5kV; Uce: 30V
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Lite-On 355
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AUD 0.168
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