{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"31-219-RFX","brand":"Amphenol","brandSlug":"amphenol","productSlug":"31-219-RFX","canonicalUrl":"https://icsourcedirect.com/amphenol/31-219-RFX","factsUrl":"https://icsourcedirect.com/api/mcp/products/31-219-RFX","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol RF BNC to BNC adapter, 31-219-RFX, straight, jack to jack, female to female, 50 Ohm impedance, 4 GHz max frequency, 500 mating cycles, gold-plated phosphor bronze center contacts, nickel-plated brass body, PTFE dielectric, free hanging in-line.","salesMarkdown":"## BNC Barrel Coupler for 50 Ohm Signal Paths The Amphenol RF 31-219-RFX is a straight BNC-to-BNC adapter, joining two female BNC jacks back-to-back. It is a same-series barrel coupler — use it to extend a cable run, join two cables, or convert a male connector on a panel to a female bulkhead interface. The body is nickel-plated brass, the center contacts are gold-plated phosphor bronze, and the dielectric is PTFE.","metaTitle":"31-219-RFX Amphenol RF BNC to BNC Adapter, 50 Ohm, 4 GHz","metaDescription":"31-219-RFX BNC jack to jack adapter, female to female, 50 Ohm, 4 GHz max, 500 mating cycles, gold center contacts. Active production, sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["RF / Coaxial Connectors"],"specifications":{"Mfr":"Amphenol RF","Style":"Straight","Series":"-","Package":"Bulk","Features":"-","Includes":"-","Impedance":"50Ohm","Body Finish":"Nickel","Adapter Type":"Jack to Jack","Body Material":"Brass","Center Gender":"Female to Female","Mating Cycles":"500","Mounting Type":"Free Hanging (In-Line)","Adapter Series":"BNC to BNC","Fastening Type":"Bayonet Lock, Bayonet Lock","Insertion Loss":"-","Product Status":"Active","Conversion Type":"Same Series","Frequency - Max":"4 GHz","lifecycle_stage":"unknown","Mounting Feature":"-","Ingress Protection":"-","Base Product Number":"31-219","Dielectric Material":"Polytetrafluoroethylene (PTFE)","Operating Temperature":"-65°C~165°C","Center Contact Plating":"Gold","Center Contact Material":"Phosphor Bronze","Convert To (Adapter End)":"BNC Jack, Female Socket","Convert From (Adapter End)":"BNC Jack, Female Socket"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.9600","stockQuantity":21,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"Is 31-219-RFX male or female?","answer":"The 31-219-RFX is a female-to-female adapter — both ends are BNC jacks with female center sockets. It joins two male BNC connectors or extends a cable run."},{"question":"What is the impedance of 31-219-RFX?","answer":"The 31-219-RFX is a 50 Ohm adapter, standard for BNC video, telecom, and instrumentation signal paths."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/31-219-RFX","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/amphenol/31-219-RFX when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-23T20:41:44.623Z","lastPublished":"2026-07-23T20:41:44.623Z","indexable":true}}