{"schemaVersion":1,"slug":"zener-diode","name":"Zener diode","kind":"symbol","abbreviation":"ZD","aliases":["HDI1V2","VDI1V2"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"A Zener diode is a semiconductor component intended for a documented reverse-breakdown operating function.","description":["A Zener diode is a semiconductor component intended for a documented reverse-breakdown operating function. The schematic identifies its polarity and the associated current-limiting or bias circuit."],"readingNotes":["Check the reference voltage and power rating of the selected component.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["State rated breakdown voltage","Show polarity","Reference current-limiting network"],"distinction":"A Zener diode's specified breakdown function differs from an ordinary rectifier diode's intended service.","facts":[{"label":"Drawing role","value":"Semiconductor function"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"label":"Public vendor block reference","value":"HDI1V2, VDI1V2 (Autodesk identifiers; not IEC symbol numbers)"},{"label":"Identifier status","value":"The short label is a functional lookup label, not an assigned IEC or IEEE symbol number. Any separately listed Autodesk code is a verified vendor block name."}],"references":[{"sourceId":"pub-symbol-semiconductors","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["resistor","power-converter"],"artwork":"edu-zener-diode","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/zener-diode","illustration":{"url":"https://eloragrid.ai/library/illustrations/zener-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-symbol-semiconductors","title":"AutoCAD Electrical: Semiconductor components","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-AC954072-7314-4682-88AF-38160D61E9A2.htm","type":"cad-reference","scope":"Public vendor catalogue naming and functional variants. Vendor block names are not IEC identifiers. Linked for reference; no graphics or CAD files are redistributed.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}]}