{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"71991-312LF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"71991-312LF","canonicalUrl":"https://icsourcedirect.com/amphenol/71991-312LF","factsUrl":"https://icsourcedirect.com/api/mcp/products/71991-312LF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol ICC (FCI) Dubox™ 71991-312LF — 24-position, dual-row female socket header, 0.100\" (2.54 mm) pitch, through-hole solder termination, gold-plated mating contacts, UL94 V-0 blue thermoplastic housing.","salesMarkdown":"## Board-to-Board Stacking with the Dubox™ 71991-312LF ## Contact Plating and Mating Durability ## Position Count Variants in the 71991 Series The 71991 family includes 22-position (71991-311LF), 24-position (this part), 26-position (71991-313LF), and 28-position (71991-314LF) versions — all sharing the same 0.100\" pitch, dual-row layout, 11.04 mm stack height, and gold plating. If your BOM calls for one of the adjacent position counts, the mechanical footprint and mating header pitch are identical; only the board space and pin count change.","metaTitle":"71991-312LF Amphenol ICC Dubox™ 24-Position Female Socket","metaDescription":"Amphenol ICC (FCI) Dubox™ 71991-312LF — 24-position dual-row female socket header, 0.100\" (2.54 mm) pitch, through-hole, gold-plated contacts. Active","metaKeywords":null},"attributes":{"series":"Dubox™","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Female Socket Headers"],"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":"Active","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":"24","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":"$3.2200","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$3.22000","currency":"USD"},{"qty":10,"price":"$2.92500","currency":"USD"},{"qty":100,"price":"$2.57670","currency":"USD"},{"qty":500,"price":"$2.19020","currency":"USD"},{"qty":1000,"price":"$1.86812","currency":"USD"},{"qty":5000,"price":"$1.67486","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/d12387c44afc462d5fb4943551712d4d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the pitch of the 71991-312LF?","answer":"The mating pitch is 0.100\" (2.54 mm), with the same 0.100\" row spacing. This is the standard 0.100-inch grid that matches most industry pin headers."},{"question":"Is the 71991-312LF RoHS compliant?","answer":"Yes, it is RoHS compliant."},{"question":"Can I use the 71991-312LF for wire-to-board applications?","answer":"No — this is a board-to-board receptacle that mates with a pin header soldered to another PCB. It is not designed for discrete wire termination."},{"question":"Where can I buy the 71991-312LF?","answer":"Sourced to order against your BOM quantity. Availability and current pricing confirmed at quote time — submit an RFQ for this part number."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/71991-312LF","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/71991-312LF 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}}