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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SFH608-5


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 250-500%
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Vishay 3831
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AUD 0.7758
Multiples of: 1

PS9303L2-V-E3-AX


Optocoupler Logic-Out Totem-Pole DC-IN 1-CH 6-Pin DIP SMD T/R
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Renesas 3831
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AUD 3.0964
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VO0631-X001T


Triac & SCR Output Optocouplers H. Speed Optocplr 10MBd 5kV/us CMR VDE
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Vishay 3828
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AUD 2.8269
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SFH620AA


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 50-600%
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Vishay 3800
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AUD 0.4562
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MOC3022VM


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 3798
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AUD 0.3625
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CNY17F-2S


Transistor Output Optocouplers HCEV, 63%, 5KV
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Lite-On 3797
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AUD 0.2054
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IS181C


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:3.75kV
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Isocom 3750
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AUD 0.3306
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TLP2768A(D4-TP,E(T


SOIC-6 Logic Output Optoisolators ROHS
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Toshiba 3600
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AUD 0.7463
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LTV-826S-TA


Transistor Output Optocouplers Optocoupler
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Lite-On 3568
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AUD 0.2426
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FODM2701


Transistor Output Optocouplers Phototransistor Output Optocoupler
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ON Semiconductor 1727
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AUD 0.5989
Multiples of: 1

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