{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"71991-309HLF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"71991-309HLF","canonicalUrl":"https://icsourcedirect.com/amphenol/71991-309HLF","factsUrl":"https://icsourcedirect.com/api/mcp/products/71991-309HLF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol ICC (FCI) Dubox receptacle, order code 71991-309HLF, 18 positions, dual row, 0.100\" (2.54mm) pitch, gold-plated mating contacts, through-hole, solder termination.","salesMarkdown":"## Board stacking height and footprint The 71991-309HLF: Insulation height is 0.275\" (6.99 mm); the contact post length of 0.118\" (3.00 mm) suits standard through-hole board thicknesses. The push-pull fastening type and UL94 V-0 glass-filled thermoplastic housing suit general-purpose, industrial, and telecommunications environments.","metaTitle":"71991-309HLF Amphenol ICC (FCI) Dubox Receptacle, 18 Pos","metaDescription":"71991-309HLF Amphenol ICC (FCI) Dubox receptacle, 18 positions, dual row, 0.100\" (2.54mm) pitch, gold mating contacts, through-hole solder termination.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","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":"Active","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Phosphor Bronze","Insulation Color":"Gray","Insulation Height":"0.275\\\" (6.99mm)","Ingress Protection":"-","Base Product Number":"71991","Insulation Material":"Thermoplastic, Glass Filled","Number of Positions":"18","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":"$2.2594","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/d12387c44afc462d5fb4943551712d4d.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/71991-309HLF/alternatives.json"},"ai":{"faq":[{"question":"What is the mated stacking height for the 71991-309HLF?","answer":"The listed mated stacking height is 11.04 mm."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/71991-309HLF","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/71991-309HLF when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:52:26.615Z","lastPublished":"2026-08-11T15:52:26.615Z","indexable":true}}