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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PC817XNNSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANSISTOR DIP, Optoisolator Transistor Output 1 Channel
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Sharp 4792
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AUD 0.3009
Multiples of: 1

CNY172SR2M


Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1940
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AUD 0.289
Multiples of: 1000

CNY17F-3X006


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 1940
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AUD 0.2873
Multiples of: 2000

4N36SR2M


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 1940
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AUD 0.3185
Multiples of: 1

MOC3021SR2M


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 1940
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AUD 0.3396
Multiples of: 1000

CNY17-1X009


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 1940
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AUD 0.3563
Multiples of: 1

MOC3010SM


Triac & SCR Output Optocouplers SO-6 NON-ZERO TRIAC
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ON Semiconductor 1940
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AUD 0.2977
Multiples of: 1000

H11AA1SR2VM


Transistor Output Optocouplers Optocoupler SM-DIP6 Phototransistor
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ON Semiconductor 1940
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AUD 0.3918
Multiples of: 1000

CNY117F-4


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 1940
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AUD 0.3962
Multiples of: 1

MOC8050SR2VM


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 1940
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AUD 0.368
Multiples of: 1000

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