{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1-644751-3","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"1-644751-3","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1-644751-3","factsUrl":"https://icsourcedirect.com/api/mcp/products/1-644751-3","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP MTA-156, 1-644751-3, Board to Cable/Wire Header, 13 circuits, 0.156\" (3.96mm) pitch, unshrouded, right-angle through-hole, tin-plated contacts, UL94 V-0 housing.","salesMarkdown":"## Board-Level Fit and Routing The 1-644751-3: Unshrouded design gives direct access to the square pins for mating with MTA-156 crimp receptacles, but lacks polarisation keying — verify the mating half orientation before assembly. 13 positions in a single row suit medium-density harnesses for control panels, industrial sensors, and power distribution inside an enclosure. ## Contact and Plating Duty The square pin profile provides reliable contact wipe during insertion.","metaTitle":"1-644751-3 TE MTA-156 Header 13 Pos 0.156\" Pitch Right Angle","metaDescription":"1-644751-3 TE Connectivity AMP MTA-156 unshrouded header, 13 circuits, 0.156\" pitch, right-angle through-hole, tin contacts. Active production, sourced per RFQ.","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-156","Package":"Bulk","Features":"-","Shrouding":"Unshrouded","Termination":"Solder","Applications":"General Purpose, Industrial","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole, Right Angle","Connector Type":"Header","Fastening Type":"-","Number of Rows":"1","Pitch - Mating":"0.156\\\" (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":"644751","Insulation Material":"Thermoplastic, Glass Filled","Number of Positions":"13","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":"-","Contact Finish - Mating":"Tin","Contact Length - Mating":"0.390\\\" (9.91mm)","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":"$0.9273","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/35932fe046d4d4e2cae4e1e99d2494c7.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/1-644751-3/alternatives.json"},"ai":{"faq":[{"question":"What is the pitch of 1-644751-3?","answer":"The pitch is 0.156\" (3.96mm), standard for the MTA-156 series."},{"question":"Is 1-644751-3 shrouded or unshrouded?","answer":"Unshrouded — the square pins are exposed for direct mating with MTA-156 crimp receptacles."},{"question":"How many rows does 1-644751-3 have?","answer":"A single row of 13 positions, all loaded."},{"question":"What is the mounting style of 1-644751-3?","answer":"Through-hole, right-angle — the pins exit perpendicular to the board for edge-mount routing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1-644751-3","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/1-644751-3 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}}