{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"4-1971817-4","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"4-1971817-4","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/4-1971817-4","factsUrl":"https://icsourcedirect.com/api/mcp/products/4-1971817-4","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors header, order code 4-1971817-4, 4 positions, single row, 2.50 mm pitch, tin-plated mating contacts, through-hole solder termination, shrouded - 4 wall, locking ramp, UL94 V-0.","salesMarkdown":"## Board-to-wire header, 4 circuits, 2.50 mm pitch The 4-1971817-4 is a 4-circuit, single-row header from TE Connectivity AMP Connectors, part of the 1971817 base series. It mates with a board-to-cable/wire receptacle and uses a locking ramp for retention. Tin-plated mating contacts, through-hole solder termination, and a shrouded 4-wall housing rated UL94 V-0. Operating temperature range is -40°C to 120°C. ## Production status — obsolete TE Connectivity AMP Connectors lists the 4-1971817-4 as Obsolete. The header carries a Board Guide and Glow Wire Compliant feature.","metaTitle":"4-1971817-4 TE Connectivity Header, 4-Pos 2.50mm, Obsolete","metaDescription":"TE Connectivity AMP Connectors 4-1971817-4 header, 4 positions, single row, 2.50 mm pitch, tin-plated contacts, through-hole solder termination.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Pin Headers, Sockets & Housings"],"specifications":{"Mfr":"TE Connectivity AMP Connectors","Style":"Board to Cable/Wire","Series":"-","Package":"Tube","Features":"Board Guide, Glow Wire Compliant","Shrouding":"Shrouded - 4 Wall","Termination":"Solder","Applications":"General Purpose","Contact Type":"Tab","Contact Shape":"Rectangular","Mounting Type":"Through Hole","Connector Type":"Header","Fastening Type":"Locking Ramp","Number of Rows":"1","Pitch - Mating":"0.098\\\" (2.50mm)","Product Status":"Obsolete","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Insulation Color":"Natural","Insulation Height":"0.610\\\" (15.49mm)","Ingress Protection":"-","Base Product Number":"1971817","Insulation Material":"Polyamide (PA), Nylon","Number of Positions":"4","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.114\\\" (2.90mm)","Current Rating (Amps)":"-","Operating Temperature":"-40°C ~ 120°C","Mated Stacking Heights":"-","Overall Contact Length":"-","Contact Finish - Mating":"Tin","Contact Length - Mating":"-","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":"$0.4800","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/81dcaea936cbce3182d7c21b33e4d22a.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/4-1971817-4/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 4-1971817-4 and how do I get a price?","answer":"The 4-1971817-4 is orderable through independent surplus channels."},{"question":"What is the closest pin-compatible alternative to 4-1971817-4 in this Pin Headers, Sockets & Housings family?","answer":"The functional replacement may require a different package and pinout."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/4-1971817-4","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/4-1971817-4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T15:54:58.690Z","lastPublished":"2026-07-20T15:54:58.690Z","indexable":true}}