{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"643428-1","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"643428-1","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/643428-1","factsUrl":"https://icsourcedirect.com/api/mcp/products/643428-1","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors Universal MATE-N-LOK header, 12 positions, 0.250\" (6.35mm) pitch, tin-plated female socket contacts, through-hole solder termination, locking ramp fastening, white nylon housing, UL94 V-0.","salesMarkdown":"## 6.35mm pitch, 12-position, tin-plated header — what it buys the design The 643428-1: The 0.250\" (6.35mm) pitch sets the board footprint and the per-contact current ceiling — at the tin-plated interface, the rated current stays within the housing material limit without excessive temperature rise. 12 positions, all loaded, in a 3-row arrangement with 0.250\" (6.35mm) row spacing — the layout gives you a compact but serviceable matrix for wire-to-board power or signal distribution. ## Universal MATE-N-LOK series — locking ramp and board guide ## Through-hole solder termination — board layout fit Through-hole mounting with 0.155\" (3.94mm) post length — the solder tails protrude enough for a reliable wave-solder fillet on standard 1.6mm PCBs. The 0.580\" (14.73mm) insulation height gives clearance for wire dressing and mating receptacle entry — factor this into your z-height budget for the enclosure. Phosphor bronze contact material provides good spring retention and corrosion resistance in the tin-plated interface. ## Sourcing and lifecycle — what to expect Supplied in tray packaging — suitable for hand-load or pick-and-place with tray feeders. ## Peer comparison — 1-2823056-2 vs 643428-1 The 1-2823056-2 is a 12-position receptacle on 0.100\" (2.54mm) pitch, surface-mount, with forked rectangular contacts — it is not a direct cross for the 643428-1's 0.250\" (6.35mm) pitch through-hole header. The pitch and mounting style differ completely. The 1376775-2 and 1376775-3 are 5- and 3-position receptacles on a different series — lower position count, gold-plated contacts, and box packaging. Not a functional replacement for the 12-position 643428-1.","metaTitle":"643428-1 TE Connectivity Universal MATE-N-LOK Header, 12 Pos","metaDescription":"643428-1 TE Connectivity AMP Connectors Universal MATE-N-LOK header. 12 positions, 0.250\" (6.35mm) pitch, tin-plated contacts. Through-hole, locking ramp.","metaKeywords":null},"attributes":{"series":"Universal MATE-N-LOK","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Female Socket Headers"],"specifications":{"Mfr":"TE Connectivity AMP Connectors","Style":"Board to Cable/Wire","Series":"Universal MATE-N-LOK","Package":"Tray","Features":"Board Guide","Termination":"Solder","Applications":"-","Contact Type":"Female Socket","Contact Shape":"Circular","Mounting Type":"Through Hole","Connector Type":"Header","Fastening Type":"Locking Ramp","Number of Rows":"3","Pitch - Mating":"0.250\\\" (6.35mm)","Product Status":"Active","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Phosphor Bronze","Insulation Color":"White","Insulation Height":"0.580\\\" (14.73mm)","Ingress Protection":"-","Base Product Number":"643428","Insulation Material":"Polyamide (PA), Nylon","Number of Positions":"12","Row Spacing - Mating":"0.250\\\" (6.35mm)","Contact Finish - Post":"Tin","Contact Length - Post":"0.155\\\" (3.94mm)","Current Rating (Amps)":"-","Operating Temperature":"-40°C ~ 105°C","Mated Stacking Heights":"-","Contact Finish - Mating":"Tin","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"-","Contact Finish Thickness - Mating":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.6300","priceTiers":[{"qty":1,"price":"$2.63000","currency":"USD"},{"qty":42,"price":"$2.32857","currency":"USD"},{"qty":84,"price":"$2.30488","currency":"USD"},{"qty":462,"price":"$2.10292","currency":"USD"},{"qty":966,"price":"$1.91283","currency":"USD"},{"qty":4914,"price":"$1.58016","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/643428-1/alternatives.json"},"ai":{"faq":[{"question":"What is the mating connector for the 643428-1?","answer":"The 643428-1 is a header from the Universal MATE-N-LOK series. It mates with standard MATE-N-LOK receptacle housings that accept crimp-socket contacts — the locking ramp on the header engages the receptacle latch for a vibration-resistant connection."},{"question":"Is the 643428-1 RoHS compliant?","answer":"Yes, the 643428-1 is listed as RoHS compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/643428-1","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/te-connectivity-amp-connectors/643428-1 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}}