{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"77311-127-28LF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"77311-127-28LF","canonicalUrl":"https://icsourcedirect.com/amphenol/77311-127-28LF","factsUrl":"https://icsourcedirect.com/api/mcp/products/77311-127-28LF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol BERGSTIK 77311-127-28LF, single-row unshrouded header, 28 positions, 0.100 inch (2.54mm) pitch, male pin through-hole solder termination, gold flash mating / tin post plating, rated 3A per contact, UL94 V-0 black thermoplastic, -65°C to 125°C operating temperature.","salesMarkdown":null,"metaTitle":"Amphenol BERGSTIK 77311-127-28LF Header 28-Position 2.54mm Pitch","metaDescription":"Amphenol BERGSTIK 77311-127-28LF, 28-position unshrouded board-to-board header, 0.100 inch (2.54mm) pitch, gold mating contacts rated 3A per circuit, active production — quoted to","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":"BERGSTIK®","Package":"Bag","Features":"-","Shrouding":"Unshrouded","Termination":"Solder","Applications":"-","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole","Connector Type":"Header","Fastening Type":"Push-Pull","Number of Rows":"1","Pitch - Mating":"0.100\\\" (2.54mm)","Product Status":"Active","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Phosphor Bronze","Insulation Color":"Black","Insulation Height":"0.100\\\" (2.54mm)","Ingress Protection":"-","Base Product Number":"77311","Insulation Material":"Thermoplastic","Number of Positions":"28","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.105\\\" (2.67mm)","Current Rating (Amps)":"3A per Contact","Operating Temperature":"-65°C~125°C","Mated Stacking Heights":"-","Overall Contact Length":"0.465\\\" (11.81mm)","Contact Finish - Mating":"Gold or Gold, GXT™","Contact Length - Mating":"0.260\\\" (6.60mm)","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":"$1.7171","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/b7619af15a6f914d234facab530ef078.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/77311-127-28LF/alternatives.json"},"ai":{"faq":[{"question":"How do I source the 77311-127-28LF?","answer":"Quoted to order against the BOM quantity through independent distribution — availability and current pricing are confirmed at quote time, not published on-screen."},{"question":"What connector mates with the BERGSTIK 77311-127-28LF?","answer":"The matching 28-position single-row BERGSTIK receptacle or IDC socket in the same 2.54 mm pitch family accepts the 0.260 inch (6.60 mm) mating pin length; confirm the housing keying and mounting footprint match your board layout."},{"question":"What is the difference between gold and tin contact plating on this header?","answer":"Gold flash (30.0 µin / 0.76 µm) on the mating face governs low-resistance contact and cycle life; tin (78.7 µin / 2.00 µm) on the solder tail provides the wettable finish for reliable through-hole solder termination — these are separate finish zones, not competing options."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/77311-127-28LF","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/77311-127-28LF 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}}