{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3-644755-4","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"3-644755-4","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644755-4","factsUrl":"https://icsourcedirect.com/api/mcp/products/3-644755-4","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors MTA-156 header, 3-644755-4, 4 positions, 0.156\" (3.96 mm) pitch, right-angle through-hole, shrouded 1 wall, friction lock, tin-plated male pins, UL94 V-0.","salesMarkdown":"## Board-to-Wire Header for Control Panels The contact base is copper alloy. This header mates with MTA-156 receptacle housings and the corresponding crimp terminals. The 4-position, single-row layout is common for low-circuit-count power and signal interconnects in industrial control, general-purpose equipment, and appliance wiring.","metaTitle":"3-644755-4 TE MTA-156 Header 4 Position Right Angle 0.156\"","metaDescription":"3-644755-4 TE MTA-156 header, 4 positions, 0.156\" pitch, right-angle through-hole, friction lock, tin contacts, 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":"Shrouded - 1 Wall","Termination":"Solder","Applications":"General Purpose, Industrial","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Through Hole, Right Angle","Connector Type":"Header","Fastening Type":"Friction Lock","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":"0.300\\\" (7.62mm)","Ingress Protection":"-","Base Product Number":"644755","Insulation Material":"Thermoplastic, Glass Filled","Number of Positions":"4","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":"0.400\\\" (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":"$0.7175","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/e5f75703ed06103cf49f54d27780227c.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/3-644755-4/alternatives.json"},"ai":{"faq":[{"question":"What is the mating socket for 3-644755-4?","answer":"The 3-644755-4 mates with MTA-156 receptacle housings that have a friction lock feature. The receptacle accepts the matching crimp terminals (tin or gold, depending on cycle-life requirements). Confirm the receptacle part number includes the lock ramp for a positive mate."},{"question":"Is 3-644755-4 RoHS compliant?","answer":"Yes, the 3-644755-4 is RoHS compliant, standard for the MTA-156 series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-644755-4","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/3-644755-4 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}}