{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"644749-3","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"644749-3","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/644749-3","factsUrl":"https://icsourcedirect.com/api/mcp/products/644749-3","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors MTA-156 series, 644749-3, unshrouded header, 3 positions, 0.156\" (3.96mm) pitch, through-hole solder termination, tin-plated copper alloy contacts, UL94 V-0 natural thermoplastic housing.","salesMarkdown":"The 644749-3: The 0.156\" (3.96mm) pitch sets the PCB footprint and the per-contact current ceiling — at the rated voltage of 600VAC, the current is limited by the attached wire gauge, not the header itself. ## Board-fit and termination details The through-hole mounting with a 0.175\" (4.45mm) post length provides a solid solder joint for wire-to-board connections.","metaTitle":"644749-3 TE Connectivity MTA-156 Header, 3 Pos, 3.96mm Pitch","metaDescription":"644749-3 TE Connectivity AMP Connectors MTA-156 unshrouded header, 3 circuits, 0.156\" (3.96mm) pitch, through-hole solder, tin contacts, UL94 V-0.","metaKeywords":null},"attributes":{"series":"MTA-156","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Pin Headers"],"specifications":{"Mfr":"TE Connectivity AMP Connectors","Style":"Board to Cable/Wire","Series":"MTA-156","Package":"Bulk","Features":"-","Shrouding":"Unshrouded","Termination":"Solder","Applications":"General Purpose, Industrial","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole","Connector Type":"Header","Fastening Type":"-","Number of Rows":"1","Pitch - Mating":"0.156\\\" (3.96mm)","Product Status":"Active","Voltage Rating":"600VAC","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Insulation Color":"Natural","Insulation Height":"0.125\\\" (3.18mm)","Ingress Protection":"-","Base Product Number":"644749","Insulation Material":"Thermoplastic, Glass Filled","Number of Positions":"3","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.175\\\" (4.45mm)","Current Rating (Amps)":"Varies by Wire Gauge","Operating Temperature":"-55°C ~ 105°C","Mated Stacking Heights":"-","Overall Contact Length":"0.700\\\" (17.78mm)","Contact Finish - Mating":"Tin","Contact Length - Mating":"0.400\\\" (10.16mm)","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":"$0.2600","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.26000","currency":"USD"},{"qty":10,"price":"$0.22600","currency":"USD"},{"qty":100,"price":"$0.20550","currency":"USD"},{"qty":500,"price":"$0.15950","currency":"USD"},{"qty":1000,"price":"$0.14823","currency":"USD"},{"qty":5000,"price":"$0.13135","currency":"USD"},{"qty":10000,"price":"$0.11634","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/8b8f8aa4ee9ed5e67b0f8b7036188d29.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the pitch of 644749-3?","answer":"The pitch is 0.156\" (3.96mm), which sets the PCB footprint and the per-contact current ceiling."},{"question":"Is 644749-3 RoHS compliant?","answer":"Yes, it is RoHS Compliant per the current directive."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/644749-3","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/644749-3 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}}