{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3-644729-4","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"3-644729-4","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644729-4","factsUrl":"https://icsourcedirect.com/api/mcp/products/3-644729-4","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP MTA-100 header, order code 3-644729-4, 4 positions, single row, 2.54 mm pitch, 250 VAC, tin-plated mating contacts, through-hole, solder termination.","salesMarkdown":"## Board-to-wire header with friction lock The 3-644729-4 is the 4-position member of TE's MTA-100 board-to-wire header line, shrouded on all four walls with a friction lock for positive retention. Tin-plated square pins mate with the matching MTA-100 receptacle housing; the through-hole solder tails suit wave-solder assembly. Rated 250 VAC.","metaTitle":"3-644729-4 TE MTA-100 Header, 4-Pos 2.54mm, Tin","metaDescription":"TE Connectivity AMP MTA-100 header 3-644729-4: 4 positions, single row, 2.54 mm pitch, 250 VAC, tin-plated contacts, through-hole solder, shrouded with","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Mfr":"TE Connectivity AMP Connectors","Style":"Board to Cable/Wire","Series":"MTA-100","Package":"Bulk","Features":"Board Guide","Shrouding":"Shrouded - 4 Wall","Termination":"Solder","Applications":"General Purpose","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole","Connector Type":"Header","Fastening Type":"Friction Lock","Number of Rows":"1","Pitch - Mating":"0.100\\\" (2.54mm)","Product Status":"Active","Voltage Rating":"250VAC","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Insulation Color":"Black","Insulation Height":"0.410\\\" (10.41mm)","Ingress Protection":"-","Base Product Number":"644729","Insulation Material":"Polyester","Number of Positions":"4","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.140\\\" (3.56mm)","Current Rating (Amps)":"Varies by Wire Gauge","Operating Temperature":"-55°C ~ 105°C","Mated Stacking Heights":"-","Overall Contact Length":"0.440\\\" (11.18mm)","Contact Finish - Mating":"Tin","Contact Length - Mating":"0.200\\\" (5.08mm)","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":"$0.8200","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/3-644729-4/alternatives.json"},"ai":{"faq":[{"question":"What compliance documentation is available for 3-644729-4?","answer":"RoHS and REACH compliance documentation is provided by TE Connectivity AMP Connectors."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644729-4","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/3-644729-4 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}}