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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CNY65(B)-V


Everlight Transistor Output Optocouplers Photo Transistor Thru-Hole
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Everlight 983
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AUD 1.1195
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LOC111STR


IXYS Integrated Circuits High Linearity Optocouplers Linear Optocoupler
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IXYS 981
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AUD 4.0386
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H11F3M


MOSFET Output Optocouplers ANALOG FET
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ON Semiconductor 979
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AUD 0.7841
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MOC3073SM


Triac & SCR Output Optocouplers RAND PHASE TRIAC SM
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ON Semiconductor 979
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AUD 1.0558
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OPI120


Optoisolator Transistor with Base Output 15000VDC 1 Channel Axial
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TT Electronics 974
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AUD 14.5043
Multiples of: 1

LTV-816S-TA1


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5kV; Uce:80V
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Lite-On 974
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AUD 0.0937
Multiples of: 5

MOC3043S


60mA 400V 1.25V Two-way thyristor SMD Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 974
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AUD 0.2735
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CYHCPL3120S(TP1)


SOP-8 Optocouplers - Logic Output ROHS
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OCIC 974
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AUD 0.8032
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PC923LRNIP0F


500ns 15kV/us DC SOP-8-2.54mm Optocouplers - Logic Output ROHS
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Sharp 973
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AUD 0.7332
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IS623X


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver; DIP6
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Isocom 972
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AUD 0.562
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