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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TLP184(Y-TPL,SE(T


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 795
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AUD 0.1018
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4N26TVM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 790
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AUD 0.3633
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TCLT1012


Transistor Output Optocouplers Phototransistor 63-125% CTR 10mA
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Vishay 790
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AUD 0.4725
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CNY17F-1


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 789
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AUD 0.2955
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CPC1580PTR


IXYS Integrated Circuits Logic Output Optocouplers Optically Isolated Gate Driver
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IXYS 774
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AUD 6.1239
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MOC3061SR2M


Triac & SCR Output Optocouplers 6Pin600V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 768
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AUD 0.6879
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EL1010(TA)-VG


Everlight Transistor Output Optocouplers Optocoupler
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Everlight 751
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AUD 0.0917
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PS2503-1-A


Transistor Output Optocouplers Hi-Speed Switch 1-Ch
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CEL 736
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AUD 0.7749
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CYHCPL2531S(TP1)


Photovoltaic Output Optoisolators
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OCIC 734
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AUD 1.0004
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HCPL-354-000E


Transistor Output Optocouplers 3750 Vrms 20% CTR
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Broadcom 227
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AUD 0.3461
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