{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3-644456-4","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"3-644456-4","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644456-4","factsUrl":"https://icsourcedirect.com/api/mcp/products/3-644456-4","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors MTA-100, 3-644456-4, Board to Cable/Wire Header, 4 circuits, 0.100\" (2.54mm) pitch, unshrouded, through hole, tin mating finish, UL94 V-0","salesMarkdown":"## Pitch and pinout for BOM fit The 3-644456-4: At 4 positions and 0.100\" pitch, this header matches the footprint of a standard MTA-100 receptacle, such as the 3-640441-4 (4-position IDC socket). The unshrouded design allows direct access to pins for probing or manual wiring. Sourced per RFQ against BOM quantities; no stock-holding claim. Confirm the mating half (e.g., MTA-100 receptacle) and wire gauge for current derating before ordering.","metaTitle":"3-644456-4 TE Connectivity MTA-100 Header 4 Pos 2.54mm","metaDescription":"3-644456-4 TE Connectivity AMP Connectors MTA-100 header, 4 positions, 0.100\" pitch, unshrouded, tin plating, through hole, active production. Sourced per RFQ.","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","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":"644456","Insulation Material":"Thermoplastic","Number of Positions":"4","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":"0.505\\\" (12.83mm)","Contact Finish - Mating":"Tin","Contact Length - Mating":"0.295\\\" (7.49mm)","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":"$0.3300","priceTiers":[{"qty":1,"price":"$0.33000","currency":"USD"},{"qty":10,"price":"$0.28300","currency":"USD"},{"qty":100,"price":"$0.25680","currency":"USD"},{"qty":500,"price":"$0.19936","currency":"USD"},{"qty":1000,"price":"$0.18529","currency":"USD"},{"qty":5000,"price":"$0.16418","currency":"USD"},{"qty":10000,"price":"$0.14542","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/305c50b34b3f718eb64ff1129ed620d7.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/3-644456-4/alternatives.json"},"ai":{"faq":[{"question":"Is 3-644456-4 compatible with MTA-100 crimp contacts?","answer":"Yes, this header mates with standard MTA-100 crimp receptacles (e.g., 3-640441-4 series). The 0.100\" pitch and unshrouded design align with the MTA-100 wire-to-board system. Confirm the receptacle's position count matches the 4-position header."},{"question":"What is the current rating of the MTA-100 header?","answer":"The current rating varies by wire gauge. For the header itself, the tin-plated contacts and 0.100\" pitch typically support up to 5A per circuit with appropriate wire, but derate based on ambient temperature and number of adjacent circuits. Refer to the MTA-100 application note for specific derating curves."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644456-4","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/3-644456-4 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}}