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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VO617A-8X017T


Transistor Output Optocouplers H. Relblty 5300 Vrms 130-260% CTR
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Vishay 7589
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AUD 0.1729
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SFH617A-4X016


Transistor Output Optocouplers RECOMMENDED ALT 78-VO617A-4X016
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Vishay 7558
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AUD 0.5622
Multiples of: 1

EL817


Transistor Output Optocouplers Photo-Coupler
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Everlight 7555
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AUD 0.1667
Multiples of: 1

CNY17-3-300E


Transistor Output Optocouplers 5000 Vrms 0.3mA
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Broadcom 7548
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AUD 0.5772
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TCDT1103G


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 7518
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AUD 0.316
Multiples of: 1

TLP2345(TPL,E


Optocouplers SO-5 RoHS
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Toshiba 7515
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AUD 0.7509
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KPS28010BTLD


Optocouplers SOP-4_P1.27 RoHS
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Cosmo 7507
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AUD 0.099
Multiples of: 5

VOM617A-9T


Transistor Output Optocouplers Phototransistor Out CTR 200-400% 5mA
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Vishay 7503
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AUD 0.22
Multiples of: 1

MOC3063M


Optotriac; 5.3kV; Uout:600V; zero voltage crossing driver; DIP6
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ON Semiconductor 4895
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AUD 0.5893
Multiples of: 1

TLP292-4(TP,E


Toshiba Transistor Output Optocouplers 4ch Transistor opto coupler
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Toshiba 0
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AUD 1.2641
Multiples of: 1

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