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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MOCD207D2M


Transistor Output Optocouplers 8-PIN SOIC DUAL-CHANNEL TRNSTR
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ON Semiconductor 2424
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AUD 0.8324
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MOC205R2VM


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 2423
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AUD 0.3527
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MOC207R2VM


Transistor Output Optocouplers 8-Pin Optocoupler Phototransistor
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ON Semiconductor 2420
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AUD 0.4103
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ILD206T


Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125%
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Vishay 2412
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AUD 0.7171
Multiples of: 1

FOD8343TR2V


Logic Output Optocouplers 4A WIDE LEAD GATE D RIVER
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ON Semiconductor 2412
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AUD 1.9429
Multiples of: 1

TLP268J(TPL,E


Toshiba Triac & SCR Output Optocouplers Triac Optocoupler Low Trigger Current
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Toshiba 2410
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AUD 0.5821
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LTV-852M


Transistor Output Optocouplers Optocoupler
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Lite-On 2405
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AUD 0.6346
Multiples of: 1

IS281-4GB


Optoisolator Transistor Output 3750Vrms 4 Channel
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Isocom 2405
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AUD 1.0142
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TLP109(TPL.E(T


High Speed Optocouplers
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Toshiba 2405
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AUD 1.2
Multiples of: 1

CNY17-4.


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 2400
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AUD 0.3038
Multiples of: 1

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