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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LTV-244


Optocouplers SO-16_4.4mm RoHS
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Lite-On 9654
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AUD 0.9825
Multiples of: 1

FOD2742BR2


Transistor Output Optocouplers Error amplifier Optocoupler
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ON Semiconductor 9601
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AUD 0.8625
Multiples of: 1

FOD4218SDV


Fairchild Semiconductor Triac & SCR Output Optocouplers Random Phase Triac Snubberless
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ON Semiconductor 9563
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AUD 4.5817
Multiples of: 1

FOD8318R2


Logic Output Optocouplers 2.5A Output Current IGBT Drv Optocoupler
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ON Semiconductor 9457
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AUD 6.9869
Multiples of: 750

PS2733-1-F3-A


Transistor Output Optocouplers Hi Col-Emit Dar 1-Ch
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Renesas 9432
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AUD 1.0913
Multiples of: 1

HMHAA280


Transistor Output Optocouplers aCinput Optocoupler Phototransistor
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ON Semiconductor 7984
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AUD 0.351
Multiples of: 1

MOC3012SR2M


Triac & SCR Output Optocouplers 6Pin 250V Optocoupl Rand Phs Triac Drvr
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ON Semiconductor 6751
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AUD 0.4784
Multiples of: 1

MOC3042M


Optotriac; 4.17kV; triac; DIP6; Channels:1; 1kV/µs
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ON Semiconductor 6471
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AUD 0.506
Multiples of: 1

PC457L0NIP0F


High Speed Optocouplers Photocoupler High CMR1Mbps
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Sharp 3778
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AUD 0.7331
Multiples of: 1

BRT13H


Triac & SCR Output Optocouplers Phototriac Output Non-Zero Crossing
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Vishay 1105
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AUD 3.754
Multiples of: 1

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