{"schemaVersion":1,"slug":"light-emitting-diode","name":"Light-emitting diode","kind":"symbol","abbreviation":"LED","aliases":["bare LED","electroluminescent diode"],"category":"electronics-components","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A semiconductor diode that emits light when operated with the appropriate forward current.","description":["A semiconductor diode that emits light when operated with the appropriate forward current.","On a schematic, identify anode/cathode polarity and the current-limiting circuit and trace the optical indication or emitter function. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","A bare LED needs its external operating circuit; the existing LED indicator-lamp record describes an assembled indicating device.","Terminal letters describe electrical roles, not package pin numbers. Check the selected public datasheet for the actual pin assignment, polarity and any internally connected terminals before completing the drawing."],"readingNotes":["Identify anode/cathode polarity and the current-limiting circuit.","Trace the optical indication or emitter function."],"drawingChecklist":["Label anode/cathode polarity and the current-limiting circuit.","Cross-reference the optical indication or emitter function.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"A bare LED needs its external operating circuit; the existing LED indicator-lamp record describes an assembled indicating device.","facts":[{"label":"Common schematic mnemonic","value":"LED — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"Anode/cathode polarity and the current-limiting circuit"},{"label":"Artwork scope","value":"Original educational component glyph; not a certified standard graphic or package pinout."}],"references":[{"sourceId":"pub-electronics-vishay-led","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["led-indicator-lamp","diode"],"artwork":"electronics-diode-led","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/light-emitting-diode","illustration":{"url":"https://eloragrid.ai/library/illustrations/light-emitting-diode.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-led","title":"Visible LED component families","publisher":"Vishay","url":"https://www.vishay.com/en/leds/","type":"manufacturer","scope":"Public LED family and component documentation. A bare component reference is distinct from an assembled panel indicator.","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."}]}