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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FOD817A3S


Transistor Output Optocouplers Opto Phototransistor Output SM-DIP4
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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.

ON Semiconductor 9393
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AUD 0.1461
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SFH610A-2X001


Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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Vishay 17
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AUD 0.368
Multiples of: 1

MOC3062TVM


Triac & SCR Output Optocouplers 6Pin600V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 17
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AUD 0.5751
Multiples of: 1

SFH6136-X016


Vishay Semiconductors High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>15-19%
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Vishay 17
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AUD 0.9638
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AB45S


Optocoupler; SMD; Ch: 1; OUT: MOSFET; SOP4; 45; 60V
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MGT Brightek 17
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AUD 3.03
Multiples of: 1

6N136-X009


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>35%
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Vishay 16
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AUD 0.8957
Multiples of: 1

AB47S


Optocoupler; SMD; Ch: 1; OUT: MOSFET; SOP4; 47; 80V
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MGT Brightek 16
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AUD 4.698
Multiples of: 1

PS2811-4-A


Transistor Output Optocouplers Hi CTR Lo-Input 4-Ch
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CEL 16
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AUD 6.7
Multiples of: 1

MOC3082SVM


Triac & SCR Output Optocouplers 6Pin800V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 13
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AUD 0.5091
Multiples of: 1

6N136TVM


High Speed Optocouplers Hi-Speed Transistor Optocouplers
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ON Semiconductor 13
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AUD 1.177
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