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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TCLT1003


Transistor Output Optocouplers Phototransistor Out
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Vishay 1394
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AUD 0.3336
Multiples of: 1

515-1232F


Transistor Output Optocouplers LIGHT PIPE
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Dialight 1392
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AUD 0.7056
Multiples of: 1

AT3052-CuH-DE


100mA 60mA 600V Two-way thyristor DIP-6 Triac, SCR Output Optoisolators ROHS
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AOTE 1391
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AUD 0.1298
Multiples of: 5

4N37-X009


Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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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.

Vishay 1391
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AUD 0.3049
Multiples of: 1

TLP7830(TP4,E


Optically Isolated Amplifiers Isolation Amplifier; Digital output; SO8L
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Toshiba 1390
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AUD 4.9103
Multiples of: 1

VO615A-6X009T


Transistor Output Optocouplers H.Temp Phototrnstr 100-300% CTR
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Vishay 1389
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AUD 0.1776
Multiples of: 1

AT3041-CuH-SE


100mA 60mA 1.23V Two-way thyristor SMD-6P Triac, SCR Output Optoisolators ROHS
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AOTE 1387
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AUD 0.1821
Multiples of: 5

H11D1-X009


Transistor Output Optocouplers Phototransistor Out Single CTR > 20%
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Vishay 1387
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AUD 0.99
Multiples of: 1

HCPL-316J-000E


Logic Output Opto-couplers 2.0A IGBT Gate Drive
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Broadcom 1387
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AUD 5.8
Multiples of: 1

MOC3041VM


Triac & SCR Output Optocouplers 6Pin400V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 1384
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AUD 0.5406
Multiples of: 1

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