{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"71991-328","brand":"Amphenol","brandSlug":"amphenol","productSlug":"71991-328","canonicalUrl":"https://icsourcedirect.com/amphenol/71991-328","factsUrl":"https://icsourcedirect.com/api/mcp/products/71991-328","rawCanonicalId":null},"summary":{"shortDescription":"71991-328, Dubox™ Series, 56-position, dual-row 0.100\" (2.54mm) pitch board-to-board receptacle, female socket, phosphor bronze contacts, gold-plated mating interface (0.76µm), tin-plated solder tails (2.00µm), through-hole solder termination, UL94 V-0, mated stack height 11.04mm.","salesMarkdown":null,"metaTitle":"71991-328, Dubox™ 56-Position Board-to-Board Receptacle","metaDescription":"56-position dual-row 2.54mm pitch board-to-board receptacle from the Dubox™ series. Gold mating contacts, tin solder tails, UL94 V-0 rated. Obsolete — sourced to order via RFQ. Ava","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":"56","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":"$1.7859","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/d12387c44afc462d5fb4943551712d4d.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/71991-328/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to the 71991-328?","answer":"No official cross-reference or successor order code appears in the current record. Any substitute must match the 56-position dual-row count, 0.100\" (2.54mm) pitch, and through-hole footprint of this receptacle to qualify as a form-fit-function replacement."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/71991-328","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/71991-328 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}}