{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"71991-311","brand":"Amphenol","brandSlug":"amphenol","productSlug":"71991-311","canonicalUrl":"https://icsourcedirect.com/amphenol/71991-311","factsUrl":"https://icsourcedirect.com/api/mcp/products/71991-311","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol ICC (FCI) Dubox™ 71991-311, 22-position dual-row board-to-board receptacle, 0.100\" (2.54mm) pitch, through-hole solder termination, gold-plated mating contacts, blue thermoplastic housing UL94 V-0.","salesMarkdown":"## Obsolete — Sourcing the 71991-311 Today The 71991-311 carries an Obsolete lifecycle status. No official successor or pin-compatible replacement is recorded from Amphenol ICC (FCI). Availability is limited to independent surplus and distribution channels. Quantities are lot-specific and confirmed at time of quote. The part is sourced per RFQ — no stock-holding claim is made. ## Footprint and Mating Fit All 22 positions are loaded, accepting a 0.100\" pitch square-pin header from the Dubox or compatible series.","metaTitle":"71991-311 Amphenol ICC Dubox 22-Pin Receptacle, 2.54mm Pitch","metaDescription":"71991-311: Obsolete Dubox 22-position dual-row receptacle, 0.100\" pitch, gold mating finish. Sourced to order through independent channels.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Mfr":"Amphenol ICC (FCI)","Style":"Board to Board","Series":"Dubox™","Package":"Tube","Features":"-","Termination":"Solder","Applications":"Automotive, General Purpose, Industrial, Telecommunications","Contact Type":"Female Socket","Contact Shape":"Square","Mounting Type":"Through Hole","Connector Type":"Receptacle, Bottom or Top Entry","Fastening Type":"Push-Pull","Number of Rows":"2","Pitch - Mating":"0.100\\\" (2.54mm)","Product Status":"Obsolete","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Phosphor Bronze","Insulation Color":"Blue","Insulation Height":"0.275\\\" (6.99mm)","Ingress Protection":"-","Base Product Number":"71991","Insulation Material":"Thermoplastic, Glass Filled","Number of Positions":"22","Row Spacing - Mating":"0.100\\\" (2.54mm)","Contact Finish - Post":"Tin","Contact Length - Post":"0.118\\\" (3.00mm)","Current Rating (Amps)":"-","Operating Temperature":"-","Mated Stacking Heights":"11.04mm","Contact Finish - Mating":"Gold","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"78.7µin (2.00µm)","Contact Finish Thickness - Mating":"30.0µin (0.76µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.6874","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/d12387c44afc462d5fb4943551712d4d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is the 71991-311 obsolete, and what is its replacement?","answer":"Yes, the 71991-311 is marked Obsolete. No official pin-compatible replacement is listed by Amphenol ICC (FCI). For a form-fit-function cross, you would need to verify pitch (0.100\"), row spacing (0.100\"), position count (22), and stack height (11.04mm) against a current Dubox or equivalent series receptacle."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/71991-311","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/amphenol/71991-311 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-23T20:41:44.623Z","lastPublished":"2026-07-23T20:41:44.623Z","indexable":true}}