{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3-644861-2","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"3-644861-2","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644861-2","factsUrl":"https://icsourcedirect.com/api/mcp/products/3-644861-2","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors MTA-100, Header, 12 Positions, 0.100\" (2.54mm) Pitch, Through Hole, Shrouded - 4 Wall, Friction Lock, Tin Contacts, UL94 V-0","salesMarkdown":"## Tin-Plated Contacts and Temperature Range The 3-644861-2: Rated at 250 VAC and current varies by wire gauge — the actual current limit depends on the attached wire size and ambient temperature, so consult the MTA-100 derating curve for your specific wire gauge. ## Active Lifecycle and Sourcing Mates with MTA-100 receptacle housings (e.g., 3-644861-2 mates with a 12-position MTA-100 IDC or crimp receptacle). Termination is solder — the 0.140\" (3.56 mm) post length suits standard through-hole PCB thicknesses (1.6 mm typical). Overall contact length is 0.440\" (11.18 mm).","metaTitle":"3-644861-2 TE Connectivity MTA-100 Header, 12 Pos","metaDescription":"TE Connectivity AMP Connectors 3-644861-2 MTA-100 pin header, 12 positions, 0.100\" pitch, shrouded 4-wall, friction lock, through hole, tin plating.","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":"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":"644861","Insulation Material":"Polyester","Number of Positions":"12","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":"$2.3000","priceTiers":[{"qty":1,"price":"$2.30000","currency":"USD"},{"qty":10,"price":"$1.99900","currency":"USD"},{"qty":100,"price":"$1.78600","currency":"USD"},{"qty":500,"price":"$1.48832","currency":"USD"},{"qty":1000,"price":"$1.27571","currency":"USD"},{"qty":5000,"price":"$1.13113","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/89a4de5171c97c94b0959718e00c1bc4.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/3-644861-2/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3-644861-2 and how do I get a price?","answer":"3-644861-2 is an active TE Connectivity part available through independent distribution."},{"question":"What is the pitch of 3-644861-2?","answer":"The pitch is 0.100\" (2.54 mm), standard for MTA-100 headers."},{"question":"Is 3-644861-2 shrouded?","answer":"Yes, it is a shrouded header with 4-wall protection, guiding the mating receptacle and shielding pins during handling."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644861-2","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/3-644861-2 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}}