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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MOC3063TVM


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver; DIP6
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ON Semiconductor 126
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AUD 0.4991
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PC851XNNSZ1H


Transistor Output Optocouplers Photocoupler
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Sharp 96
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AUD 0.3943
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3N245


Transistor Output Optocouplers Isolator
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TT Electronics 71
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AUD 34.5761
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SFH615AGR-X017T


Transistor Output Optocouplers Phototransistor Out Single CTR>100-300%
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Vishay 70
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AUD 0.4597
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VOT8024AD-V


Triac & SCR Output Optocouplers PhotoTRIAC 800V ZC DIP4. VDE
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Vishay 70
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AUD 0.5401
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PS2561A-1-W-A


Transistor Output Optocouplers SNGL Tr DC BSI Couplr
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CEL 69
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AUD 0.2712
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LIA130


Optically Isolated Amplifiers Optically Isolated Linear Error Amp
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IXYS 69
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AUD 0.794
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HCNW136-300E


High Speed Optocouplers 1MBd 1Ch 16mA
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Broadcom 48
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AUD 3.2806
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TLP5751(D4,E


Toshiba Logic Output Optocouplers Optocoupler IGBT 1A
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Toshiba 0
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AUD 1.7075
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QCFJ-3439T-500UE


SO-24 Transistor, Photovoltaic Output Optoisolators ROHS
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Broadcom 0
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AUD 3.8549
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