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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HCPL0638R2


High Speed Optocouplers 100B Logic Dual Ch Hi Perform Optocuplr
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ON Semiconductor 4952
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AUD 2.5492
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K815P


Transistor Output Optocouplers Photodarlington Out Single CTR > 600%
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Vishay 108
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AUD 1.1016
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TLP5751(TP4,E


150ns 1.55V 35kV/us SOP-6 Logic Output Optoisolators ROHS
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Toshiba 107
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AUD 1.1151
Multiples of: 1

ACSL-7210-00RE


Avago Technologies High Speed Optocouplers Optocoupler (25MBd) LF
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Broadcom 106
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AUD 6.939
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ACPL-331J-000E


Logic Output Opto-couplers 1.5A IGBT Gate Drive
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Broadcom 106
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AUD 8.6222
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OPI1266


Logic Output Optoisolator 500kbps Open Collector, Schottky Clamped 16000VDC 1 Channel CMTI
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TT Electronics 105
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AUD 13.0254
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FOD3184S


Logic Output Opto-couplers 3A Out, Hi-Speed Gate Drvr Optocouplr
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ON Semiconductor 102
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AUD 2.0192
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14230116011


Triac & SCR Output Optocouplers WL-OCTR Optocoupler Triac NZC / WE30x DIP 6 Standard 250V 15mA NZC
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Wurth 101
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AUD 1.1262
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Hot LDA201


Transistor Output Optocouplers Optocoupler Single-Transistor
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IXYS 100
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AUD 0.9333
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TLP5214(E(O


Logic Output Optocouplers
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Toshiba 100
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AUD 11.1111
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