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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ACPL-W340-500E


Logic Output Opto-couplers Gate Drive Opto
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Broadcom 8179
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AUD 0.8229
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MOC3053M


Triac & SCR Output Optocouplers 6PW RP TRIAC DIP
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ON Semiconductor 774
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AUD 0.9725
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SFH620AGB-X019T


Triac & SCR Output Optocouplers AC Input, Phtotrnstr 100-600% CTR VDE
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Vishay 772
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AUD 0.5779
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6N136SDVM


Fairchild Semiconductor High Speed Optocouplers 3.81 x 9.65 x 6.6mm 8 Lead Surface Mount
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ON Semiconductor 772
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AUD 1.1591
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HCPL2611SV


High Speed Optocouplers 13 Mbit Optocoupler 1Ch HS Logic Gate
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ON Semiconductor 772
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AUD 2.3327
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FOD260L


High Speed Optocouplers 10 Mbit/s S-CH 3.3V LG Output Optocoup
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ON Semiconductor 769
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AUD 1.5646
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Hot FOD2743B


Transistor Output Optocouplers Error Amplifier Optocoupler
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ON Semiconductor 768
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AUD 1.0866
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4N25-X009


Transistor Output Optocouplers Phototransistor Out Single CTR>20%
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Vishay 761
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AUD 0.3316
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SL214N


SSOP-16 Optocouplers - Phototransistor Output ROHS
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SLKORMICRO 712
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AUD 0.7274
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H11F3SR2M


MOSFET Output Optocouplers FET Bilateral analog
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ON Semiconductor 16
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AUD 0.8833
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