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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VO615A-2X019T


Transistor Output Optocouplers RECOMMENDED ALT 782-SFH615A-2X019T
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Vishay 6569
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AUD 0.1855
Multiples of: 1

TLP187(V4-TPL,E


Transistor Output Optocouplers
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Toshiba 5076
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AUD 0.4403
Multiples of: 1

MOC3083M


Optotriac; 5.3kV; Uout:800V; zero voltage crossing driver; DIP6
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ON Semiconductor 746
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AUD 0.4046
Multiples of: 770

515-1230F


Transistor Output Optocouplers LIGHT PIPE
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Dialight 746
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AUD 1.4045
Multiples of: 100

TIL111


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5.3kV; DIP6
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Isocom 744
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AUD 0.3113
Multiples of: 1

HCPL-J312-500E


Logic Output Optocouplers 2.0A IGBT Gate Drive
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Broadcom 740
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AUD 3.7381
Multiples of: 1

FOD4118SD


Fairchild Semiconductor Triac & SCR Output Optocouplers Black Pkg Zero Cross Snubless Triac Drver
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ON Semiconductor 720
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AUD 2.9881
Multiples of: 1

MOC3062SVM


Triac & SCR Output Optocouplers 6Pin600V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 669
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AUD 0.5779
Multiples of: 1

SFH6345-X009T


High Speed Optocouplers 1Mbd High-Speed Trans Out CTR>30%
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Vishay 454
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AUD 1.8179
Multiples of: 1

PC367NJ0000F


Transistor Output Optocouplers Low IfHigh CMR Ic mA 0.5 to 2.5
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Sharp 166
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AUD 0.5401
Multiples of: 1

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