{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3-794638-4","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"3-794638-4","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-794638-4","factsUrl":"https://icsourcedirect.com/api/mcp/products/3-794638-4","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors Micro MATE-N-LOK header, SMD, 4 circuits, 2 rows, 3.00mm pitch, gold mating finish, shrouded with locking ramp, solder retention, UL94 V-0, -40°C~105°C.","salesMarkdown":"The 3-794638-4: This 4-position, 2-row header uses a 3.00mm pitch on both rows, setting the board footprint for the mating wire receptacle. The shrouded 4-wall housing guides the plug during blind mating and prevents contact damage from off-angle insertion. In a vibration-prone environment—like an industrial cabinet or automotive interior—this latch keeps the pair mated without relying on friction alone. ## Surface Mount Assembly and Retention","metaTitle":"3-794638-4 TE Connectivity Micro MATE-N-LOK Header SMD 4","metaDescription":"3-794638-4 TE Connectivity AMP Connectors Micro MATE-N-LOK header, SMD, 4 circuits, 3.00mm pitch, gold mating finish, shrouded, locking ramp.","metaKeywords":null},"attributes":{"series":"Micro MATE-N-LOK","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":"Micro MATE-N-LOK","Package":"Tape & Reel (TR); Cut Tape (CT)","Features":"Solder Retention","Shrouding":"Shrouded - 4 Wall","Termination":"Solder","Applications":"General Purpose","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Surface Mount","Connector Type":"Header","Fastening Type":"Locking Ramp","Number of Rows":"2","Pitch - Mating":"0.118\\\" (3.00mm)","Product Status":"Active","Voltage Rating":"250V","lifecycle_stage":"unknown","Contact Material":"Brass","Insulation Color":"Black","Insulation Height":"0.364\\\" (9.25mm)","Ingress Protection":"-","Base Product Number":"794638","Insulation Material":"Polyamide (PA), Nylon","Number of Positions":"4","Row Spacing - Mating":"0.118\\\" (3.00mm)","Contact Finish - Post":"Tin","Contact Length - Post":"-","Current Rating (Amps)":"Varies by Wire Gauge","Operating Temperature":"-40°C~105°C","Mated Stacking Heights":"-","Overall Contact Length":"-","Contact Finish - Mating":"Gold","Contact Length - Mating":"-","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"100.0µin (2.54µm)","Contact Finish Thickness - Mating":"30.0µin (0.76µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.3100","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$3.31000","currency":"USD"},{"qty":10,"price":"$3.00400","currency":"USD"},{"qty":175,"price":"$2.64697","currency":"USD"},{"qty":350,"price":"$2.31609","currency":"USD"},{"qty":525,"price":"$2.24992","currency":"USD"},{"qty":875,"price":"$2.05139","currency":"USD"},{"qty":1225,"price":"$1.91905","currency":"USD"},{"qty":1750,"price":"$1.85288","currency":"USD"},{"qty":4375,"price":"$1.78670","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/ae635012485c3e33688704d0556288ac.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the mating connector for 3-794638-4?","answer":"This header mates with a Micro MATE-N-LOK receptacle housing (e.g., 3-794637-x series) that accepts crimp terminals."},{"question":"What is the recommended PCB layout for 3-794638-4?","answer":"The footprint uses a 3.00mm pitch between positions and 3.00mm row spacing. The SMD pads should match the solder tail dimensions; the shrouded housing requires a keep-out zone around the 9.25mm insulation height for clearance above the board. Refer to the product drawing for exact pad geometry and stencil aperture."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-794638-4","citationPolicyUrl":"https://icsourcedirect.com/llms.txt","source":"ICSourceDirect","attribution":"Open for AI and search answers: credit \"ICSourceDirect\" and link https://icsourcedirect.com/te-connectivity-amp-connectors/3-794638-4 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}}