{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3-644457-7","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"3-644457-7","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644457-7","factsUrl":"https://icsourcedirect.com/api/mcp/products/3-644457-7","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors MTA-100 series, 3-644457-7: unshrouded header, 7 positions, 0.100\" (2.54mm) pitch, right-angle through-hole solder termination, tin-plated contacts, UL94 V-0 natural thermoplastic housing.","salesMarkdown":"## Right-Angle Unshrouded Header for Wire-to-Board The 3-644457-7: It mates with MTA-100 receptacle housings for a board-to-cable/wire connection. The closest functional second-source is the 1-292164-1 from the CT series — also a right-angle through-hole header, but shrouded with a detent lock and 11 positions at 0.079\" (2.00mm) pitch. The 3-644457-7 is unshrouded, which means the pins are exposed after soldering — easier to probe during test but less protected against accidental shorting.","metaTitle":"3-644457-7 TE Connectivity MTA-100 Header, 7 Pos","metaDescription":"3-644457-7 TE Connectivity AMP Connectors MTA-100 unshrouded header, 7 positions, 0.100\" pitch, right-angle solder termination.","metaKeywords":null},"attributes":{"series":"MTA-100","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Pin Headers"],"specifications":{"Mfr":"TE Connectivity AMP Connectors","Style":"Board to Cable/Wire","Series":"MTA-100","Package":"Bulk","Features":"-","Shrouding":"Unshrouded","Termination":"Solder","Applications":"General Purpose","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole, Right Angle","Connector Type":"Header","Fastening Type":"-","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":"Natural","Insulation Height":"0.100\\\" (2.54mm)","Ingress Protection":"-","Base Product Number":"644457","Insulation Material":"Thermoplastic","Number of Positions":"7","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.110\\\" (2.79mm)","Current Rating (Amps)":"Varies by Wire Gauge","Operating Temperature":"-55°C~105°C","Mated Stacking Heights":"-","Overall Contact Length":"-","Contact Finish - Mating":"Tin","Contact Length - Mating":"0.260\\\" (6.60mm)","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"150.0µin (3.81µm)","Contact Finish Thickness - Mating":"150.0µin (3.81µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.0300","priceTiers":[{"qty":1,"price":"$1.03000","currency":"USD"},{"qty":10,"price":"$0.86900","currency":"USD"},{"qty":100,"price":"$0.78020","currency":"USD"},{"qty":500,"price":"$0.63834","currency":"USD"},{"qty":1000,"price":"$0.56741","currency":"USD"},{"qty":5000,"price":"$0.49648","currency":"USD"},{"qty":10000,"price":"$0.47166","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/c6d677044909ef2e6cccd287eff89642.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/3-644457-7/alternatives.json"},"ai":{"faq":[{"question":"Is the 3-644457-7 unshrouded?","answer":"Yes — the 3-644457-7 is an unshrouded header. The pins are exposed after soldering, which means the mating receptacle provides the physical protection. It mates with standard MTA-100 receptacle housings."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644457-7","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/3-644457-7 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}}