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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H11D1SR2VM


Optoisolator Transistor with Base Output 4170Vrms 1 Channel 6-SMD
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ON Semiconductor 3428
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AUD 0.5762
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MOC3061TVM


Triac & SCR Output Optocouplers 6Pin600V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 3427
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AUD 0.5657
Multiples of: 1

LTV-702FM


Transistor Output Optocouplers Optocoupler
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Lite-On 3419
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AUD 0.1808
Multiples of: 1

SFH6156-2X001


Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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Vishay 3419
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AUD 0.2978
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IL211AT


Transistor Output Optocouplers Phototransistor Out Single CTR >20%
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Vishay 3416
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AUD 0.5116
Multiples of: 1

TLP105(TPL,F)


250ns 10kV/us DC SOP-5-175mil Optocouplers - Logic Output ROHS
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Toshiba 3415
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AUD 1.3967
Multiples of: 1

PC817XNNSZ1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANSISTOR DIP, Optoisolator Transistor Output 1 Channel
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Sharp 3408
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AUD 0.2898
Multiples of: 1

VOT8125AD-V


Triac & SCR Output Optocouplers Non-Zero 800V Vrdm DIP6; 5000V Vrms
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Vishay 3407
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AUD 0.571
Multiples of: 1

VO610A-1


Transistor Output Optocouplers Phototransistor Out CTR 40-80%
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Vishay 3403
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AUD 0.2305
Multiples of: 1

IL410


Triac & SCR Output Optocouplers Phototriac Output Zero Crossing
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Vishay 3395
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AUD 2.3222
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