{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1-1971839-4","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"1-1971839-4","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1-1971839-4","factsUrl":"https://icsourcedirect.com/api/mcp/products/1-1971839-4","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity AMP Connectors 1-1971839-4, a 4-position single-row shrouded header, 0.098\" (2.50mm) pitch, through-hole solder termination, silver-plated copper alloy contacts, locking ramp, UL94 V-0 natural nylon housing, -40°C to 120°C.","salesMarkdown":"## Board-to-Wire Header for Confined Spaces The 1-1971839-4 is a 4-position, single-row shrouded header from TE Connectivity's 2.50 mm pitch board-to-wire family. The -40°C to 120°C operating range covers automotive under-hood and industrial cabinet duty without derating. ## Footprint and Routing Fit Through-hole mounting with a 0.114\" (2.90mm) post length — the solder tail protrudes enough for a solid wave-solder fillet on a standard 1.6mm board. The 0.516\" (13.11mm) insulation height leaves clearance for a mating receptacle above the board surface. A board guide feature further assists alignment if the header is near a board edge or other tall components. Silver-plated contacts on a copper alloy base carry the current without the contact resistance drift seen in tin at elevated temperature.","metaTitle":"1-1971839-4 TE Connectivity Header, 4-Position, 2.50mm Pitch","metaDescription":"TE Connectivity AMP Connectors 1-1971839-4 header, 4 circuits, 0.098\" (2.50mm) pitch, shrouded, silver-plated contacts, locking ramp. Active production.","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":"-","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":"Active","Voltage Rating":"-","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Insulation Color":"Natural","Insulation Height":"0.516\\\" (13.11mm)","Ingress Protection":"-","Base Product Number":"1971839","Insulation Material":"Polyamide (PA), Nylon","Number of Positions":"4","Row Spacing - Mating":"-","Contact Finish - Post":"Silver","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":"Silver","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":"$0.4401","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/ac59346deb8bfa5fdc0de7a5b402ccad.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Where can I buy 1-1971839-4 and what is the lead time?","answer":"No stock-holding claim is made — lead time is quoted per order."},{"question":"What is the compatible mating connector for TE 1-1971839-4?","answer":"The 1-1971839-4 mates with a 2.50mm pitch crimp receptacle housing that accepts tab contacts. The locking ramp on this header engages with the corresponding latch on the receptacle. Confirm the circuit count and contact orientation with the mating half before committing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/1-1971839-4","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/1-1971839-4 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}}