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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OR-0631-TA1


- Logic Output Optocoupler ROHS
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Orient 801
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AUD 0.7984
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FOD8384R2


Fairchild Semiconductor Logic Output Optocouplers
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ON Semiconductor 800
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AUD 4.2586
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FOD2743BTV


Fairchild Semiconductor Transistor Output Optocouplers Error Amp Coupler Transistor Output
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ON Semiconductor 799
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AUD 1.199
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MOC3051VM


Triac & SCR Output Optocouplers 6Pin 600V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 796
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AUD 0.451
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LOC111S


High Linearity Optocouplers Linear Optocoupler
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IXYS 795
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AUD 2.31
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PS2503-1-A


Transistor Output Optocouplers Hi-Speed Switch 1-Ch
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CEL 794
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AUD 0.6993
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H11AA1SM


Transistor Output Optocouplers MOT AC IN-TRANS OUT
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ON Semiconductor 793
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AUD 0.3646
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TLP385(E


Transistor Output Optocouplers GaAs Infrared and Photo-Transistor
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Toshiba 792
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AUD 0.2373
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SFH601-3


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 792
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AUD 0.588
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CNY17F-1


Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 791
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AUD 0.2844
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