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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FODM217DR2V


Transistor Output Optocouplers 4SO TR
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ON Semiconductor 1303
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AUD 0.2938
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RV1S9060ACCSP-10YC#SC0


High Speed Optocouplers HI-SPD OPTOCPLR LSO5
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Renesas 1303
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AUD 3.3471
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4N35-X019T


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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Vishay 1301
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AUD 0.4149
Multiples of: 1

H11D1-X007T


Transistor Output Optocouplers Phototransistor Out Single CTR > 20%
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Vishay 1301
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AUD 1.0214
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IS357C


Optocouplers SMD RoHS
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Isocom 1297
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AUD 0.232
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MOC3042VM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1297
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AUD 0.5531
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H11L1M


Logic Output Optocouplers Optocouplers
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Everlight 1294
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AUD 0.646
Multiples of: 1

VO3062


Triac & SCR Output Optocouplers Zero Crossing Photo Triac
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Vishay 1294
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AUD 0.7307
Multiples of: 1

Hot VOM3053-X001T


Triac & SCR Output Optocouplers Phototriac, NZC 5mA,1.5K dV/dt VDE
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Vishay 1293
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AUD 0.7354
Multiples of: 1

CNY171SVM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1293
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AUD 0.2844
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