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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PS2701-1-F3


Transistor Output Optocouplers OPTOCOUPLER 4-PIN SOP
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Renesas 5276
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AUD 0.4028
Multiples of: 5

14230216301


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x DIP 6 SL-Type 400V 15mA NZC
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Wurth 871
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AUD 0.88
Multiples of: 1

TLPN137(F


10Mbit/s 75ns 4.5V~5.5V 10kV/us DC DIP-8 Logic Output Optoisolators ROHS
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Toshiba 871
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AUD 1.1175
Multiples of: 1

FODM217CV


Transistor Output Optocouplers 4SO TR
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ON Semiconductor 864
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AUD 0.2924
Multiples of: 1

CNY17F-1X006


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR 40-80%
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Vishay 864
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AUD 0.417
Multiples of: 1

IL4116-X007T


Triac & SCR Output Optocouplers Phototriac Output, Zero Crossing
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Vishay 864
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AUD 2.6269
Multiples of: 1

AT3020-CuH-SE


100mA 60mA 1.23V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 863
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AUD 0.1423
Multiples of: 5

AT3082-CuH-SE


100mA 60mA 800V 1.23V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 858
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AUD 0.1751
Multiples of: 5

CNY65(B)-V


Everlight Transistor Output Optocouplers Photo Transistor Thru-Hole
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Everlight 806
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AUD 1.1546
Multiples of: 1

4N35-X009T


Transistor Output Optocouplers Phototransistor Out Single CTR >100%
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Vishay 317
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AUD 0.3661
Multiples of: 1

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