{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"77311-122-31LF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"77311-122-31LF","canonicalUrl":"https://icsourcedirect.com/amphenol/77311-122-31LF","factsUrl":"https://icsourcedirect.com/api/mcp/products/77311-122-31LF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol ICC (FCI) BERGSTIK header, order code 77311-122-31LF, 31 positions, single row, 0.100\" (2.54 mm) pitch, 3 A per contact, gold or GXT™ mating contacts, through-hole, solder termination.","salesMarkdown":"## Board-to-board unshrouded header The 77311-122-31LF is the 31-position single-row member of the BERGSTIK header line, unshrouded with push-pull fastening for board-to-board stacking. Rated 3 A per contact with gold or GXT™ mating finish and tin-plated solder tails, the header operates from -65°C to 125°C and carries a UL94 V-0 thermoplastic housing. ## Position count and series fit Within the BERGSTIK 77311 series the 31-position 77311-122-31LF sits as a single-row unshrouded header — the 0.100\" (2.54 mm) pitch and through-hole footprint are shared across the series, so the position count determines circuit fit.","metaTitle":"Amphenol FCI BERGSTIK 77311-122-31LF Header, 31-Pos 2.54mm","metaDescription":"Amphenol FCI BERGSTIK 77311-122-31LF: 31-position single-row unshrouded header, 0.100 inch (2.54 mm) pitch, 3A per contact, gold mating contacts, through-hole","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Style":"Board to Board","title":"77311-122-31LF","Series":"BERGSTIK®","Package":"Bag","Shrouding":"Unshrouded","Termination":"Solder","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)","Contact Material":"Phosphor Bronze","Insulation Color":"Black","Insulation Height":"0.100\\\" (2.54mm)","Base Product Number":"77311","Insulation Material":"Thermoplastic","Number of Positions":"31","Contact Finish - Post":"Tin","Contact Length - Post":"0.120\\\" (3.05mm)","Current Rating (Amps)":"3A per Contact","Operating Temperature":"-65°C~125°C","Overall Contact Length":"0.525\\\" (13.34mm)","Contact Finish - Mating":"Gold or Gold, GXT™","Contact Length - Mating":"0.305\\\" (7.75mm)","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":"$1.9008","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/b7619af15a6f914d234facab530ef078.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/77311-122-31LF/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 77311-122-31LF and how do I get a price?","answer":"The 77311-122-31LF is orderable under the listed part number. Request a quote for current pricing and availability."},{"question":"What is 77311-122-31LF's listed style?","answer":"The style is Board to Board, as a single-row unshrouded header with through-hole solder termination."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/77311-122-31LF","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/77311-122-31LF 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}}