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-077L-500E


High Speed Optocouplers Optocouplers 25MBd
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AUD 4.8825
Multiples of: 1

MID400SDV


Fairchild Semiconductor Logic Output Optocouplers 8-Pin Optocoupler Logic aC Line
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AUD 4.8845
Multiples of: 1

HCPL-4534-520E


High Speed Optocouplers 1MBd 2Ch 25mA
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AUD 4.8857
Multiples of: 2000

HCPL-2631-500


Optocoupler Logic-Out Open Collector DC-IN 2-CH 8-Pin PDIP SMD T/R
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AUD 4.8886
Multiples of: 2000

HCPL-7510-060E


Avago Technologies Optically Isolated Amplifiers 4.5 - 5.5 SV -3%
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AUD 4.8934
Multiples of: 1250

HCPL-3700


Logic Output Opto-couplers AC/DC to Logic
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AUD 4.8964
Multiples of: 1

IL5


Transistor Output Optocouplers Phototransistor Out Single CTR >50%
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Vishay 0
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AUD 4.8974
Multiples of: 1

HCNR200#500


High Linearity Optocouplers 1 Ch 60mW 25mA
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AUD 4.8986
Multiples of: 1302

TLP3545(F)


MOSFET Output Optocouplers Photo-IC 3.0A 60V 2500 Vrms 1K pF 3mA
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Toshiba 0
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AUD 4.9071
Multiples of: 1

TLP3480(TP,E


MOSFET Output Optocouplers PHOTORELAY P-SON4
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AUD 4.9077
Multiples of: 1500

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