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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PS8501-AX


CEL High Speed Optocouplers SGL Tr DC 1Mbps HI CMMR
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CEL 35
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AUD 2.1686
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4N35-X016


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100%
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Vishay 34
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AUD 0.3473
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CNY17F-3X016


Transistor Output Optocouplers Phototransistor Out Single CTR 100-200%
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Vishay 34
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AUD 0.3819
Multiples of: 1

PS8502L3-AX


CEL High Speed Optocouplers Hi-Speed Analog Out
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CEL 34
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AUD 2.1686
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TLP5214(E(O


Logic Output Optocouplers
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Toshiba 34
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AUD 10.52
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HCPL-7800A-300E


Optocoupler; SMD; Channels:1; Out: isolation amplifier; 3.75kV
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Broadcom 33
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AUD 15.26
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HCPL-2300-300E


High Speed Optocouplers 8MBd 1Ch 4mA
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Broadcom 32
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AUD 7.9
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6N138-000E


Optoisolator Darlington with Base Output 3750Vrms 1 Channel 8-DIP
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Broadcom 32
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AUD 1.76
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CNY64(B)-V


Optocoupler; THT; Ch: 1; OUT: transistor; Uinsul: 8.2kV; Uce: 80V
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Everlight 31
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AUD 1.56
Multiples of: 1

HCPL-3700-000E


Logic Output Opto-couplers AC/DC to Logic
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Broadcom 0
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AUD 4.28
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