{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"919-104P-51AX","brand":"Amphenol","brandSlug":"amphenol","productSlug":"919-104P-51AX","canonicalUrl":"https://icsourcedirect.com/amphenol/919-104P-51AX","factsUrl":"https://icsourcedirect.com/api/mcp/products/919-104P-51AX","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol RF MCX plug, male pin, 50 Ohm, 6 GHz, right-angle, crimp shield, solder contact, snap-on, gold body, 500 mating cycles, bulk, includes 4 pcs.","salesMarkdown":"The 919-104P-51AX: The 0.1 dB insertion loss at 6 GHz is a tight spec — it tells you the impedance match through the interface is held close to 50 Ohm across the band, so the signal sees a clean transition from cable to connector. This plug terminates to RG-174, RG-188, RG-188A, RG-316, LMR-100, and M17/119-RG174 cables — all 50 Ohm, small-diameter coax types commonly used in short-run RF interconnects. The shield is crimped, the centre contact is soldered. The right-angle body keeps the cable run parallel to the panel face, which helps in enclosures where a straight plug would hit the lid. That means Amphenol RF is not actively developing this part for new projects, and the procurement window may be limited. There is no official successor listed in the record, so if you are qualifying a replacement, you will need to evaluate a functionally similar MCX plug from the same family against your cable group and frequency requirements. ## Mating Cycles and Field Service The gold body finish and gold-plated centre contact resist corrosion in humid or lightly corrosive environments, which helps maintain contact resistance over those cycles. The snap-on fastening gives a positive tactile lock; you hear and feel the click when the plug seats into the jack.","metaTitle":"Amphenol RF 919-104P-51AX MCX Plug, 50 Ohm, 6 GHz, NRND","metaDescription":"Amphenol RF 919-104P-51AX MCX plug, male pin, 50 Ohm, 6 GHz max, 0.1 dB insertion loss. Snap-on fastening, right-angle, crimp shield, solder contact.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["RF / Coaxial Connectors"],"specifications":{"Mfr":"Amphenol RF","Series":"-","Package":"Bulk","Features":"-","Includes":"4 pcs - 1 Connector, 1 End Cap, 1 Ferrule, 1 Insulator","Impedance":"50Ohm","Body Finish":"Gold","Cable Group":"RG-174, 188, 188A, 316, LMR-100, M17/119-RG174","Body Material":"Beryllium Copper","Housing Color":"Gold","Mating Cycles":"500","Mounting Type":"Free Hanging (In-Line), Right Angle","Connector Type":"Plug, Male Pin","Fastening Type":"Snap-On","Insertion Loss":"0.1dB","Product Status":"Not For New Designs","Connector Style":"MCX","Frequency - Max":"6 GHz","Number of Ports":"1","lifecycle_stage":"unknown","Mounting Feature":"-","Ingress Protection":"-","Shield Termination":"Crimp","Base Product Number":"91910","Contact Termination":"Solder","Dielectric Material":"Polyoxymethylene (POM) Acetal, Polytetrafluoroethylene (PTFE)","Operating Temperature":"-40°C~85°C","Center Contact Plating":"Gold","Center Contact Material":"Brass"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$13.3500","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/7ce7e556729764cefe11b5bcd9dd149b.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is 919-104P-51AX obsolete?","answer":"The 919-104P-51AX is listed as NRND (Not Recommended for New Designs). It is not formally discontinued, but it is not intended for new projects."},{"question":"What is the impedance of 919-104P-51AX?","answer":"The impedance is 50 Ohm nominal, matched to the cable group and the MCX interface. The 0.1 dB insertion loss at 6 GHz confirms the impedance match is tight across the band."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/919-104P-51AX","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/919-104P-51AX 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}}