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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TLP785(GB.F(C


Transistor Output Optocouplers
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Toshiba 10072
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AUD 0.338
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HCPL2631M


High Speed Optocouplers HIGHSPEED TRANSISTOR OPTOCOUPLERS
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ON Semiconductor 8131
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AUD 1.3843
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PS2815-1-A


Transistor Output Optocouplers Hi CTR AC Input 1-Ch
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CEL 4261
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AUD 2.6031
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SFH640-3X019T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 4248
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AUD 1.2571
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VOL617AT


Transistor Output Optocouplers CPLR
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Vishay 4234
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AUD 0.2561
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TLP2348(TPL,E(T


SOP-5-3.6mm Optocouplers - Logic Output ROHS
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Toshiba 4208
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AUD 0.8968
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ACPL-244-500E


Transistor Output Optocouplers AC Phototx Coupler
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Broadcom 4126
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AUD 1.2879
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Hot SFH6186-4T


Transistor Output Optocouplers Phototransistor Out Single CTR 160-320%
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Vishay 3946
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AUD 0.4494
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PC817X1NIP1B


Transistor Output Optocouplers OPTOISOLATOR 5KV TRANS 4ESOP, Optoisolator Transistor Output 1 Channel
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Sharp 2883
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AUD 0.2797
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4N26S


Optoisolator Transistor with Base Output 1500Vrms 1 Channel 6-SMD
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Lite-On 1688
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AUD 0.1697
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