{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"8-1971921-3","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"8-1971921-3","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/8-1971921-3","factsUrl":"https://icsourcedirect.com/api/mcp/products/8-1971921-3","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors header, order code 8-1971921-3, 3 positions (2 loaded), single row, 2.50 mm pitch, tin-plated mating contacts, through-hole, solder termination, shrouded - 4 wall, locking ramp.","salesMarkdown":"## Board-to-wire header, 2.50 mm pitch, single row The 8-1971921-3: Tin-plated mating contacts, through-hole solder termination, and a locking ramp fastening type secure the mated connection. The 8-1971921-3 is listed as Obsolete by TE Connectivity AMP Connectors. ## Position count and loaded circuits The header has 3 positions but only 2 are loaded — the third position is a vacant cavity.","metaTitle":"TE 8-1971921-3 Header, 3 Pos, 2.50mm, Obsolete","metaDescription":"TE Connectivity AMP Connectors 8-1971921-3 header: Board to Cable/Wire, 3 positions (2 loaded), 2.50mm pitch, tin mating contacts, through-hole.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Mfr":"TE Connectivity AMP Connectors","Style":"Board to Cable/Wire","Series":"-","Package":"Bulk","Features":"Board Guide, Glow Wire Compliant","Shrouding":"Shrouded - 4 Wall","Termination":"Solder","Applications":"General Purpose","Contact Type":"Tab","Contact Shape":"Rectangular","Mounting Type":"Through Hole","Connector Type":"Header","Fastening Type":"Locking Ramp","Number of Rows":"1","Pitch - Mating":"0.098\\\" (2.50mm)","Product Status":"Obsolete","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Insulation Color":"Natural","Insulation Height":"0.610\\\" (15.49mm)","Ingress Protection":"-","Base Product Number":"1971921","Insulation Material":"Polyamide (PA), Nylon","Number of Positions":"3","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.114\\\" (2.90mm)","Current Rating (Amps)":"-","Operating Temperature":"-40°C ~ 120°C","Mated Stacking Heights":"-","Overall Contact Length":"-","Contact Finish - Mating":"Tin","Contact Length - Mating":"-","Number of Positions Loaded":"2","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"-","Contact Finish Thickness - Mating":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/f86b6629052c3ac0d0f245855627610a.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/8-1971921-3/alternatives.json"},"ai":{"faq":[{"question":"How do I get current pricing and availability for 8-1971921-3?","answer":"No stock-holding claim is made; sourced per request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/8-1971921-3","citationPolicyUrl":"https://icsourcedirect.com/llms.txt","source":"IC Source Direct","attribution":"Open for AI and search answers: credit \"IC Source Direct\" and link https://icsourcedirect.com/te-connectivity-amp-connectors/8-1971921-3 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:25.888Z","lastPublished":"2026-07-20T14:34:25.888Z","indexable":true}}