{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"031-5558-RFX","brand":"Amphenol","brandSlug":"amphenol","productSlug":"031-5558-RFX","canonicalUrl":"https://icsourcedirect.com/amphenol/031-5558-RFX","factsUrl":"https://icsourcedirect.com/api/mcp/products/031-5558-RFX","rawCanonicalId":null},"summary":{"shortDescription":"BNC plug, male pin, 50 Ohm, 4 GHz, crimp termination, bayonet lock, free hanging, 1 port, 500 mating cycles, gold center contact, nickel body, -65°C~165°C","salesMarkdown":"## 50 Ohm BNC Plug for RG-6 Coax — Crimp Termination, 4 GHz The 031-5558-RFX terminates to RG-6, RG-54, RG-143, RG-212, Belden 1152A, 89248, and 9290 with a crimp-on shield and center contact — one order covers the connector body, contact, and ferrule as a 3-piece kit. ## Cable Fit and Termination Reality This plug fits RG-6, 6A, 54, 143, 212, Belden 1152A, 89248, and 9290 cables. Verify your cable jacket OD and dielectric diameter against the ferrule bore before ordering.","metaTitle":"031-5558-RFX BNC Plug, 50 Ohm, 4 GHz, Crimp Termination","metaDescription":"031-5558-RFX BNC plug, male pin, 50 Ohm impedance, 4 GHz max, crimp termination for RG-6/6A/54/143/212. 500 mating cycles. 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","Series":"-","Package":"Bulk","Features":"-","Includes":"3 pcs - 1 Connector, 1 Contact, 1 Ferrule","Impedance":"50Ohm","Body Finish":"Nickel","Cable Group":"RG-6, 6A, 54, 143, 212, Belden 1152A, 89248, 9290","Body Material":"Brass","Housing Color":"Silver","Mating Cycles":"500","Mounting Type":"Free Hanging (In-Line)","Connector Type":"Plug, Male Pin","Fastening Type":"Bayonet Lock","Insertion Loss":"0.2dB","Product Status":"Active","Voltage Rating":"500 V","Connector Style":"BNC","Frequency - Max":"4 GHz","Number of Ports":"1","lifecycle_stage":"unknown","Mounting Feature":"-","Ingress Protection":"-","Shield Termination":"Crimp","Base Product Number":"031-55","Contact Termination":"Crimp","Dielectric Material":"Polyoxymethylene (POM) Acetal","Operating Temperature":"-65°C~165°C","Center Contact Plating":"Gold","Center Contact Material":"Brass"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.9592","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/031-5558-RFX/alternatives.json"},"ai":{"faq":[{"question":"What cable groups does 031-5558-RFX fit?","answer":"It fits RG-6, RG-6A, RG-54, RG-143, RG-212, Belden 1152A, 89248, and 9290 coaxial cables. The ferrule and center contact are sized for those specific cable dielectrics and jacket ODs."},{"question":"What is the impedance of 031-5558-RFX?","answer":"The characteristic impedance is 50 Ohm, standard for BNC RF interconnects. The crimp termination and POM dielectric maintain that impedance through the connector body."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/031-5558-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/031-5558-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}}