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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TLP104(E(T


High Speed Optocouplers
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Toshiba 72
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AUD 1.5778
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TLP5751(D4,E


Toshiba Logic Output Optocouplers Optocoupler IGBT 1A
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Toshiba 72
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AUD 1.6769
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KMOC3082


Triac Optocouplers DIP-6 RoHS
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Cosmo 71
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AUD 0.1745
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SFH1690CT


Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 70
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AUD 0.4365
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SFH615AGR-X017T


Transistor Output Optocouplers Phototransistor Out Single CTR>100-300%
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Vishay 70
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AUD 0.5067
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tlp548j


Triac Optocouplers DIP-6 RoHS
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Toshiba 70
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AUD 3.8379
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PS2561A-1-W-A


Transistor Output Optocouplers SNGL Tr DC BSI Couplr
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CEL 69
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AUD 0.2712
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H11F1SM


MOSFET Output Optocouplers ANALOG FET
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ON Semiconductor 69
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AUD 0.894
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6N139TVM


High Speed Optocouplers 8-Pin DIP Single-Channel Low Input Current High Gain Split Darlington Output Optocoupler
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ON Semiconductor 69
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AUD 1.0633
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FOD2741ATV


Transistor Output Optocouplers Error amplifier Optocoupler
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ON Semiconductor 69
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AUD 1.2028
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