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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VO617A-3X018T


Transistor Output Optocouplers CPLR
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Vishay 6137
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AUD 0.1627
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RV1S9353ACCSP-120V#SC0


Optically Isolated Amplifiers Opto Delta-Sigma Mod 13.8b 2mV 10MHz VDE
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Renesas 393
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AUD 11.7388
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TLP521-4XGBSM


Optocouplers SMD-16 RoHS
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Isocom 392
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AUD 1.0176
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4N29SR2M


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 388
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AUD 0.5779
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H11B1SM


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 384
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AUD 0.3415
Multiples of: 1

MOC3051SR2M


Triac & SCR Output Optocouplers 6Pin 600V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 384
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AUD 0.5188
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HCNW2611-500E


High Speed Optocouplers 10MBd 1Ch 5mA
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Broadcom 356
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AUD 2.0306
Multiples of: 1

IL300-X007


Vishay Semiconductors High Linearity Optocouplers Single Linear, High Gain, Wide Bandwidth
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Vishay 343
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AUD 3.5955
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HCPL-2631-000E


Logic Output Optoisolator 10MBd Open Collector, Schottky Clamped 3750Vrms 2 Channel 10kV/µs CMTI 8-DIP
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Broadcom 188
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AUD 1.398
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TLP266J(TPL,E(T


70mA 50mA 600V 1.27V Two-way thyristor SOP-4-2.54mm Triac, SCR Output Optoisolators ROHS
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Toshiba 187
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AUD 2.7925
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