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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PC817X3YIPW


Transistor Output Optocouplers
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Sharp 1920
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AUD 0.1136
Multiples of: 5

VOM618A-5T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out CTR 50-100% 1mA
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Vishay 1911
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AUD 0.2496
Multiples of: 1

CNY17F2TVM


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:4.17kV; DIP6
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ON Semiconductor 1910
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AUD 0.2791
Multiples of: 1

FODM3022R2V_NF098


Triac & SCR Output Optocouplers 4-PIN MFP 400VRANDOM PHASE TRIAC OUTPUT
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ON Semiconductor 1909
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AUD 0.8345
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VO4258H


Triac & SCR Output Optocouplers Non Zero Cross Photo Triac 800V 2mA
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Vishay 1907
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AUD 3.1032
Multiples of: 1

MOC3041SVM


Fairchild Semiconductor Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1902
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AUD 0.5763
Multiples of: 1

FOD2711AV


Transistor Output Optocouplers OPTICALLY ISOLATED ERROR AMPLIFIER
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ON Semiconductor 1902
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AUD 0.7448
Multiples of: 1

VO615C-2X019T


Transistor Output Optocouplers SMD-4 CPLR 63-125%CTR 5mA 110 -e3
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Vishay 1889
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AUD 0.374
Multiples of: 1

TLP293(YH-TPL,E


3.75kV 50mA 1 1.25V SOIC-4-4.55mm Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 1823
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AUD 0.2928
Multiples of: 5

H11L2M


Logic Output Opto-couplers Optocoupler LC Schmitt Trigger
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ON Semiconductor 1809
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AUD 0.5003
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