{"schemaVersion":1,"slug":"photodiode-optocoupler","name":"Photodiode optocoupler","kind":"symbol","abbreviation":"OPTO-PD","aliases":["linear optocoupler","photodiode isolation"],"category":"electronics-components","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"An optically coupled component using photodiode output sensing for an isolation or feedback arrangement.","description":["An optically coupled component using photodiode output sensing for an isolation or feedback arrangement.","On a schematic, identify the emitter drive, detector terminals and feedback/output channels and trace the isolated analogue signal and amplifier circuit. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","A photodiode-output optocoupler needs its detector/amplifier arrangement; it is not a transistor-output switch with the same pins.","The preview is an independently drawn educational functional reference. Add the selected component’s actual power pins, terminal numbers, timing or analogue reference details when producing a construction drawing."],"readingNotes":["Identify the emitter drive, detector terminals and feedback/output channels.","Trace the isolated analogue signal and amplifier circuit."],"drawingChecklist":["Label the emitter drive, detector terminals and feedback/output channels.","Cross-reference the isolated analogue signal and amplifier circuit.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"A photodiode-output optocoupler needs its detector/amplifier arrangement; it is not a transistor-output switch with the same pins.","facts":[{"label":"Common schematic mnemonic","value":"OPTO-PD — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The emitter drive, detector terminals and feedback/output channels"},{"label":"Artwork scope","value":"Original educational functional/circuit reference; not a selected product pinout."}],"references":[{"sourceId":"pub-electronics-vishay-linear-opto","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["photodiode","diode"],"artwork":"electronics-opto-photodiode","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/photodiode-optocoupler","illustration":{"url":"https://eloragrid.ai/library/illustrations/photodiode-optocoupler.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-electronics-vishay-linear-opto","title":"IL300 linear photodiode optocoupler documentation","publisher":"Vishay","url":"https://www.vishay.com/docs/83622/il300.pdf","type":"manufacturer","scope":"Public optical emitter/detector feedback arrangement. The educational block indicates optical isolation and does not reproduce the dual-detector product pinout or certify linearity.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}]}