{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"31-242","brand":"Amphenol","brandSlug":"amphenol","productSlug":"31-242","canonicalUrl":"https://icsourcedirect.com/amphenol/31-242","factsUrl":"https://icsourcedirect.com/api/mcp/products/31-242","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol 31-242 BNC plug, male pin, 50 Ohm, 4 GHz, bayonet lock, free-hanging, crimp/solder termination, gold centre contact, kit includes 5 pieces.","salesMarkdown":"## BNC Plug Kit for RG-179 and RG-187 Cables The 31-242: This kit includes five pieces: one connector body, one centre contact, one ferrule, one insulator, and one sleeve — everything needed to terminate a cable in one order. The cable group is specified for RG-179, 179A, 179B, 187, 187A, Belden 9221, and M17/94-RG179. That 75-Ohm-looking RG-179 is actually a 50-Ohm variant in this context; the 31-242 is built for 50 Ohm systems, not 75 Ohm video lines. ## Termination and Assembly Notes Shield termination is crimp; the centre contact can be crimped or soldered. The ferrule crimps over the cable braid, the insulator centres the pin, and the sleeve threads over the assembly. Rated voltage is 500 V, which is more than the signal levels on a typical 50 Ohm line — the limit is the cable, not the connector.","metaTitle":"31-242 BNC Plug, 50 Ohm, 4 GHz, RG-179 Cable Kit","metaDescription":"31-242 BNC plug, male pin, 50 Ohm, 4 GHz max, 0.2 dB insertion loss. Kit includes connector, contact, ferrule, insulator, sleeve.","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":"5 pcs - 1 Connector, 1 Contact, 1 Ferrule, 1 Insulator, 1 Sleeve","Impedance":"50Ohm","Body Finish":"Nickel","Cable Group":"RG-179, 179A, 179B, 187, 187A, Belden 9221, M17/94-RG179","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":"31-242","Contact Termination":"Crimp or Solder","Dielectric Material":"Polytetrafluoroethylene (PTFE)","Operating Temperature":"-65°C~165°C","Center Contact Plating":"Gold","Center Contact Material":"Brass"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$13.0700","stockQuantity":21,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/92b172f61303f7c8fa99c18ab59bb8b4.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the impedance of the 31-242?","answer":"The 31-242 is a 50 Ohm connector, confirmed by the specified impedance rating."},{"question":"What parts are included in the 31-242 kit?","answer":"The kit includes 5 pieces: one connector body, one centre contact, one ferrule, one insulator, and one sleeve — everything needed to terminate one cable end."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/31-242","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/31-242 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}}