{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"77311-424-04LF","brand":"Amphenol","brandSlug":"amphenol","productSlug":"77311-424-04LF","canonicalUrl":"https://icsourcedirect.com/amphenol/77311-424-04LF","factsUrl":"https://icsourcedirect.com/api/mcp/products/77311-424-04LF","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol ICC (FCI) BERGSTIK® unshrouded header, 4 circuits, single row, 0.100\" (2.54mm) pitch, through-hole solder termination, tin-plated square pins, rated 3A per contact, UL94 V-0 housing.","salesMarkdown":"## Board-to-Board Header, 4 Positions, 2.54mm Pitch The 77311-424-04LF: Rated 3A per contact with tin-plated mating surfaces at 78.7µin thickness. Tin is the cost-effective choice for applications with infrequent mating cycles — expect a few dozen cycles before contact resistance begins to rise. ## Mating and Termination Check Unshrouded male pins, square profile, 0.266\" (6.75mm) mating length. The 0.114\" (2.90mm) solder tail length suits standard 1.6mm PCBs — verify the board thickness and hole diameter before layout.","metaTitle":"77311-424-04LF Amphenol ICC BERGSTIK® Header 4POS 2.54mm","metaDescription":"Active Amphenol ICC BERGSTIK® unshrouded header, 4 positions, single row, 0.100\" (2.54mm) pitch, tin-plated contacts, 3A per contact, UL94 V-0. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":"BERGSTIK®","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Pin Headers"],"specifications":{"Mfr":"Amphenol ICC (FCI)","Style":"Board to Board","Series":"BERGSTIK®","Package":"Bulk","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":"4","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.114\\\" (2.90mm)","Current Rating (Amps)":"3A per Contact","Operating Temperature":"-65°C~125°C","Mated Stacking Heights":"-","Overall Contact Length":"0.480\\\" (12.19mm)","Contact Finish - Mating":"Tin","Contact Length - Mating":"0.266\\\" (6.75mm)","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"78.7µin (2.00µm)","Contact Finish Thickness - Mating":"78.7µin (2.00µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.4800","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.48000","currency":"USD"},{"qty":10,"price":"$0.40700","currency":"USD"},{"qty":100,"price":"$0.31620","currency":"USD"},{"qty":500,"price":"$0.27106","currency":"USD"},{"qty":1000,"price":"$0.22589","currency":"USD"},{"qty":5000,"price":"$0.19362","currency":"USD"},{"qty":10000,"price":"$0.18071","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/b7619af15a6f914d234facab530ef078.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the mating half for 77311-424-04LF?","answer":"It mates with any standard 2.54mm pitch female socket or IDC receptacle that accepts a 0.025\" square post. Common partners include BERGSTIK II female headers or generic 2.54mm crimp housings with matching pin contacts. Confirm the receptacle's pin spacing and square-post compatibility before ordering."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/77311-424-04LF","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/77311-424-04LF 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}}