{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1-644751-9","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"1-644751-9","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1-644751-9","factsUrl":"https://icsourcedirect.com/api/mcp/products/1-644751-9","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity MTA-156, Header, Board to Cable/Wire, 19 Positions, 0.156\" (3.96mm) Pitch, Through Hole, Right Angle, Unshrouded, Tin Mating and Post Finish, UL94 V-0, Bulk","salesMarkdown":"## 19-position right-angle header for MTA-156 wire-to-board The 1-644751-9: The 0.156\" (3.96mm) pitch and right-angle through-hole termination suit it for perpendicular wire entry on a PCB, typical in industrial control panels and general-purpose equipment. Rated 600VAC, the header's insulation system (UL94 V-0 thermoplastic) supports line-voltage isolation in an enclosure. ## Pitch and position count set the footprint At 19 positions and 0.156\" pitch, the header occupies a 2.96-inch board edge.","metaTitle":"1-644751-9 TE MTA-156 Header 19 Pos 0.156\" Pitch Right Angle","metaDescription":"TE Connectivity MTA-156 header, 19 positions, 0.156\" pitch, unshrouded, through-hole right-angle, tin-plated, UL94 V-0. 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":"19","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":"$1.8257","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/35932fe046d4d4e2cae4e1e99d2494c7.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/1-644751-9/alternatives.json"},"ai":{"faq":[{"question":"What is the pinout of 1-644751-9?","answer":"The header is a single-row, 19-position male pin header with all positions loaded. Pin 1 is typically marked by a square pad or a chamfer on the housing. The mating half is an MTA-156 receptacle (IDC or crimp type) with a corresponding 19-circuit layout."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1-644751-9","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/1-644751-9 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}}