{"schemaVersion":1,"slug":"mosfet-body-diode","name":"MOSFET body diode","kind":"symbol","abbreviation":"BODY-D","aliases":["intrinsic MOSFET diode","parasitic body diode"],"category":"electronics-components","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"The intrinsic diode associated with a MOSFET's semiconductor structure, often shown within the device reference.","description":["The intrinsic diode associated with a MOSFET's semiconductor structure, often shown within the device reference.","On a schematic, identify the MOSFET type and diode direction relative to drain/source and trace the commutation or reverse-current route. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","The body diode is internal to the MOSFET; its presence does not establish that an external freewheeling diode is unnecessary.","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 the MOSFET type and diode direction relative to drain/source.","Trace the commutation or reverse-current route."],"drawingChecklist":["Label the MOSFET type and diode direction relative to drain/source.","Cross-reference the commutation or reverse-current route.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"The body diode is internal to the MOSFET; its presence does not establish that an external freewheeling diode is unnecessary.","facts":[{"label":"Common schematic mnemonic","value":"BODY-D — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The MOSFET type and diode direction relative to drain/source"},{"label":"Artwork scope","value":"Original educational component glyph; not a certified standard graphic or package pinout."}],"references":[{"sourceId":"pub-electronics-nexperia-mosfet","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["n-channel-enhancement-mosfet","diode"],"artwork":"electronics-mos-body-diode","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/mosfet-body-diode","illustration":{"url":"https://eloragrid.ai/library/illustrations/mosfet-body-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-nexperia-mosfet","title":"MOSFET families and application documentation","publisher":"Nexperia","url":"https://www.nexperia.com/products/mosfets","type":"manufacturer","scope":"Public MOSFET device and application information, including intrinsic body-diode context. The generic artwork does not establish an accessible bulk terminal or a selected package pinout.","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."}]}