{"schemaVersion":1,"slug":"adjustable-capacitor","name":"Adjustable capacitor","kind":"symbol","abbreviation":"C ADJ","aliases":[],"category":"control-circuits","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"An adjustable capacitor provides a documented variable capacitance.","description":["An adjustable capacitor provides a documented variable capacitance. Its control or preset adjustment is specified separately from the two main circuit terminals."],"readingNotes":["Identify whether adjustment is operational or a commissioning preset.","The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation."],"drawingChecklist":["State capacitance range","Show circuit terminals","Reference adjustment method"],"distinction":"Adjustable capacitance changes a capacitive parameter; it is not an adjustable resistor.","facts":[{"label":"Drawing role","value":"Passive circuit element"},{"label":"Representation scope","value":"Functional concept; not an official standard graphic or a product footprint"},{"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":"autodesk-capacitors","relevance":"Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic."}],"related":["resistor","capacitor"],"artwork":"edu-adjustable-capacitor","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/adjustable-capacitor","illustration":{"url":"https://eloragrid.ai/library/illustrations/adjustable-capacitor.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"autodesk-capacitors","title":"Capacitive component symbols","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-74580D46-0731-41A6-918D-2DB419114207.htm","type":"cad-reference","scope":"Capacitor, electrolytic, feedthrough and adjustable component variants.","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."}]}