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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TLP176GA(TP,F)


Toshiba MOSFET Output Optocouplers Photorelay .12A 400V 1500 Vrms 70pF 3mA
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Toshiba 744
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AUD 0.9752
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CNY174TVM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 741
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AUD 0.3336
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ACPL-796H-500E


SOP-16-300mil Logic Output Optoisolators ROHS
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Broadcom 740
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AUD 3.0393
Multiples of: 1

SFH6186-4X001T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 739
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AUD 0.5
Multiples of: 1

MOC3042TVM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 738
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AUD 1.0587
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H11G1SR2VM


Transistor Output Optocouplers Hi Volt Photodarling VDE Certified
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ON Semiconductor 737
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AUD 0.6618
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ILQ2-X016


Transistor Output Optocouplers Phototransistor Out Quad CTR > 100%
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Vishay 737
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AUD 1.9167
Multiples of: 1

SFH6286-2T


Transistor Output Optocouplers Phototransistor Out AC-In CTR>63-200%
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Vishay 736
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AUD 0.6756
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H11AA1SVM


Fairchild Semiconductor Transistor Output Optocouplers MOT AC IN-TRANS OUT
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ON Semiconductor 735
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AUD 0.5129
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ILD615-2


Transistor Output Optocouplers Phototransistor Out Dual CTR 63-125%
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Vishay 706
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AUD 0.9933
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