{"schemaVersion":1,"slug":"pnp-bipolar-transistor","name":"PNP bipolar transistor","kind":"symbol","abbreviation":"PNP","aliases":["PNP BJT","bipolar junction transistor PNP"],"category":"electronics-components","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A bipolar transistor with base, collector and emitter terminals arranged for PNP operation.","description":["A bipolar transistor with base, collector and emitter terminals arranged for PNP operation.","On a schematic, identify the base drive and emitter supply/reference and trace the collector load and switching or amplification path. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","PNP polarity differs from NPN; mirrored graphics do not change a transistor's type or package pin assignment.","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 base drive and emitter supply/reference.","Trace the collector load and switching or amplification path."],"drawingChecklist":["Label the base drive and emitter supply/reference.","Cross-reference the collector load and switching or amplification path.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"PNP polarity differs from NPN; mirrored graphics do not change a transistor's type or package pin assignment.","facts":[{"label":"Common schematic mnemonic","value":"PNP — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The base drive and emitter supply/reference"},{"label":"Artwork scope","value":"Original educational component glyph; not a certified standard graphic or package pinout."}],"references":[{"sourceId":"pub-electronics-nexperia-pnp","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["npn-bipolar-transistor","diode"],"artwork":"electronics-bjt-pnp","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/pnp-bipolar-transistor","illustration":{"url":"https://eloragrid.ai/library/illustrations/pnp-bipolar-transistor.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-pnp","title":"BC856/BC857/BC858 PNP transistor documentation","publisher":"Nexperia","url":"https://assets.nexperia.com/documents/data-sheet/BC856_BC857_BC858.pdf","type":"manufacturer","scope":"Public complementary PNP transistor reference. Terminal roles and component polarity are used without copying the datasheet artwork.","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."}]}