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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PS2833-1-A


Transistor Output Optocouplers Hi-Iso Col-Emit 1-Ch
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Renesas 97
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AUD 2.9434
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TLP4590A(D4,F


MOSFET Output Optocouplers
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Toshiba 97
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AUD 3.3349
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APS2241S


Photodiode Output Optocouplers 20Mbps 4.4x4.3x2.1mm AIGaAs LED, PhotoIC
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Panasonic 97
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AUD 3.5968
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AB47S


Optocoupler; SMD; Ch: 1; OUT: MOSFET; SOP4; 47; 80V
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MGT Brightek 97
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AUD 4.6062
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HCPL-3700-000E


Logic Output Opto-couplers AC/DC to Logic
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Broadcom 97
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AUD 5.1111
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CPC1973Y


IXYS Integrated Circuits Triac & SCR Output Optocouplers 400V Single Pole SIP Power Relay
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IXYS 97
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AUD 5.5873
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PS9317L-AX


Optocoupler Logic-Out Open Collector DC-IN 1-CH 6-Pin PDIP SMD Tape
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Renesas 97
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AUD 6.5206
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JANTX4N23U


Transistor Output Optocouplers 6 Pin SMT OCI
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TT Electronics 97
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AUD 59.5287
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TLP388(TPL,E(T


SO-6L Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 96
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AUD 1.5078
Multiples of: 1

HCPL-063N-000E


Logic Output Optoisolator 10MBd Open Collector, Schottky Clamped 3750Vrms 2 Channel 15kV/µs CMTI 8-SO Tall
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Broadcom 96
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AUD 10.9111
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