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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ACPL-790B-000E


Optically Isolated Amplifiers Precision Iso-Amp
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Broadcom 36
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AUD 10.9753
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Hot LDA100


Transistor Output Optocouplers Optocoupler Single-Transistor
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IXYS 35
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AUD 0.9533
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VO4156M-X006


Triac & SCR Output Optocouplers Zero Crossing Photo Triac 600V 3mA
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Vishay 34
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AUD 2.4222
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EL817S1(D)(TU)


Transistor Output Optocouplers Optocoupler Transistor DC Input
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Everlight 33
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AUD 0.11
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TLP785(D4GR-T6,F(C


SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 33
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AUD 0.1879
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TLP293(GR-TPL,E(T


Optocoupler; SMD; Ch: 1; OUT: transistor; Uinsul: 3.75kV; Uce: 80V
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Toshiba 33
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AUD 0.2546
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NTE3043


Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 6-Pin PDIP
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NTE 33
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AUD 4.1042
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ACPL-7970-000E


Optocoupler; THT; Out: isolation amplifier; Uinsul:5kV; Uce:500mV
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Broadcom 33
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AUD 5.7556
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OPI1280-026


Transistor Output Optocouplers Optical Interrupter
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TT Electronics 33
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AUD 10.5635
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TLP383(D4BLLTR,E


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 32
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AUD 0.8818
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