{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3FA1-NMSJ-C04W0","brand":"Amphenol","brandSlug":"amphenol","productSlug":"3FA1-NMSJ-C04W0","canonicalUrl":"https://icsourcedirect.com/amphenol/3FA1-NMSJ-C04W0","factsUrl":"https://icsourcedirect.com/api/mcp/products/3FA1-NMSJ-C04W0","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol RF SMB, Fakra jack, female socket, 50 Ohm, 3 GHz, 1 port, free hanging, crimp termination, latch lock, RG-58 cable group.","salesMarkdown":"The Amphenol RF 3FA1-NMSJ-C04W0 is an SMB/Fakra jack (female socket) in a free-hanging, in-line body — no PCB footprint to worry about. It's a crimp-termination connector built for RG-58 and its variants (58A, 58B, 58C, 141, 303, LMR-195, Belden B7806A, 9907), so if you're terminating a standard 50-ohm coax run this is the right shell. The latch-lock fastening means it snaps onto a mating Fakra plug and holds without a threaded coupling ring — quicker to mate in a harness assembly, but you trade the vibration-proof torque of a threaded interface. The 50 Ohm impedance and 3 GHz maximum frequency tell you this is a signal-path connector for RF up through low microwave bands — think cellular, GPS, or telematics antenna feeds, not base-station backhaul above 3 GHz. The 100 mating cycles are typical for a Fakra latch-lock design; if your application needs frequent disconnect/reconnect in the field, that's enough for several years of service but not for daily plug/unplug cycles. The Code M feature designation is a Fakra keying code — it ensures the jack only mates with a Code M plug, preventing cross-mating with other Fakra colour codes in a multi-connector harness. The orange/pastel housing colour matches the Code M standard, so you can visually verify the keying before you snap it together. ## Crimp Termination — No Soldering Required That means you need a crimp tool with the correct die for the RG-58 cable OD and the centre pin size — no soldering iron, no heat shrink. For a field install, that's faster and more repeatable than solder, provided you have the right tool. The cable group includes RG-58 and LMR-195, which have slightly different dielectric diameters; verify your cable's centre conductor and jacket OD against the crimp barrel dimensions in the manufacturer's installation instruction before you commit the crimp.","metaTitle":"3FA1-NMSJ-C04W0 Amphenol RF SMB Fakra Jack, 50 Ohm, 3 GHz","metaDescription":"3FA1-NMSJ-C04W0 Amphenol RF SMB Fakra jack, female socket, 50 Ohm, 3 GHz max, crimp termination for RG-58 cable. Active production, sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["RF / Coaxial Connectors"],"specifications":{"Mfr":"Amphenol RF","Series":"-","Package":"Tray","Features":"Code M","Includes":"-","Impedance":"50Ohm","Body Finish":"Tin","Cable Group":"RG-58, 58A, 58B, 58C, 141, 303, LMR-195, Belden B7806A, 9907","Body Material":"Zinc Die Cast","Housing Color":"Orange, Pastel","Mating Cycles":"100","Mounting Type":"Free Hanging (In-Line)","Connector Type":"Jack, Female Socket","Fastening Type":"Latch Lock","Insertion Loss":"-","Product Status":"Active","Connector Style":"SMB, Fakra","Frequency - Max":"3 GHz","Number of Ports":"1","lifecycle_stage":"unknown","Mounting Feature":"-","Ingress Protection":"-","Shield Termination":"Crimp","Base Product Number":"3FA1-NMSJ","Contact Termination":"Crimp","Dielectric Material":"Polytetrafluoroethylene (PTFE)","Operating Temperature":"-40°C~85°C","Center Contact Plating":"Gold","Center Contact Material":"Brass"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.4645","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/3FA1-NMSJ-C04W0/alternatives.json"},"ai":{"faq":[{"question":"Is 3FA1-NMSJ-C04W0 compatible with RG-58 cable?","answer":"Yes, the 3FA1-NMSJ-C04W0 is listed for RG-58, 58A, 58B, 58C, 141, 303, LMR-195, Belden B7806A, and 9907 cable groups."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/3FA1-NMSJ-C04W0","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/3FA1-NMSJ-C04W0 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}}