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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Triac & SCR Output Optocouplers 6Pin800V Optocoupler Zero Cross Triac Dr
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AUD 0.4903
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6N137


Optocouplers DIP-8 RoHS
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Isocom 9700
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AUD 0.6138
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6N139SM


Optocouplers SMD-8 RoHS
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Isocom 9700
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AUD 0.6394
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6N136SM


Optocouplers SMT-8 RoHS
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Isocom 9700
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AUD 0.6394
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6N138SM


Optocouplers SMD-8 RoHS
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Isocom 9700
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AUD 0.6394
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6N137SM


Optocoupler; SMD; Channels:1; Out: Schmitt trigger; Gull wing 8
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Isocom 9700
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AUD 0.6394
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6N136


Optocouplers DIP-8 RoHS
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Isocom 9700
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AUD 0.6776
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6N138


Optocouplers DIP-8 RoHS
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Isocom 9700
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AUD 0.6776
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6N139


Optocouplers DIP-8 RoHS
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Isocom 9700
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AUD 0.6776
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6N135


Optoisolator Transistor with Base Output 5000Vrms 1 Channel 8-DIP
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AUD 0.6776
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