{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"903-367P-51A2","brand":"Amphenol","brandSlug":"amphenol","productSlug":"903-367P-51A2","canonicalUrl":"https://icsourcedirect.com/amphenol/903-367P-51A2","factsUrl":"https://icsourcedirect.com/api/mcp/products/903-367P-51A2","rawCanonicalId":null},"summary":{"shortDescription":"Amphenol SMB plug, female socket, 50 Ohm, 4 GHz, snap-on, RG-316, nickel body, gold center contact, solder contact, crimp shield, 500 mating cycles, bulk.","salesMarkdown":"## SMB Snap-On Plug for RG-316 — 50 Ohm, 4 GHz The 903-367P-51A2: The snap-on fastening gives quick mate/unmate in tight panel spaces, while the nickel-plated zinc alloy body and gold-plated beryllium copper centre contact handle the RF path with insertion loss held to 0.6 dB across the band. The 4 GHz frequency ceiling is the practical limit for this connector in a 50 Ohm path — above that the snap-on interface and PTFE dielectric start to introduce mismatch loss. For the cable assembly shop, the 500 mating cycles mean this plug is rated for repeated test or field-service connections without degrading the gold-on-beryllium-copper contact. ## Cable Compatibility and Termination Checklist This plug is built for RG-316 cable. The right-angle cable exit keeps the connector profile low where the cable needs to route parallel to the panel face. The 142194 is a brass-body SMB plug with gold plating instead of the 903-367P-51A2's nickel finish, and it ships in a bag with an additional heat shrink tube. Both are 50 Ohm, 4 GHz, snap-on, female-socket plugs with 500 mating cycles and 0.6 dB insertion loss. The 142194 also covers RG-174, 188, and LMR-100 cable groups, making it a broader cable-range alternative if the build uses multiple coax types. For a strict RG-316-only BOM, the 903-367P-51A2 is the direct fit.","metaTitle":"Amphenol 903-367P-51A2 SMB Plug, 50 Ohm, 4 GHz, RG-316","metaDescription":"Amphenol 903-367P-51A2 SMB plug, female socket, 50 Ohm, 4 GHz max, for RG-316 cable. Includes connector, end cap, ferrule. Active, sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["RF / Coaxial Connectors","RF Cable Assemblies"],"specifications":{"Mfr":"Amphenol RF","Series":"-","Package":"Bulk","Features":"-","Includes":"3 pcs - 1 Connector, 1 End Cap, 1 Ferrule","Impedance":"50Ohm","Body Finish":"Nickel","Cable Group":"RG-316","Body Material":"Zinc Alloy","Housing Color":"Silver","Mating Cycles":"500","Mounting Type":"Free Hanging (In-Line), Right Angle","Connector Type":"Plug, Female Socket","Fastening Type":"Snap-On","Insertion Loss":"0.6dB","Product Status":"Active","Connector Style":"SMB","Frequency - Max":"4 GHz","Number of Ports":"1","lifecycle_stage":"unknown","Mounting Feature":"-","Ingress Protection":"-","Shield Termination":"Crimp","Base Product Number":"903-367P","Contact Termination":"Solder","Dielectric Material":"Polytetrafluoroethylene (PTFE)","Operating Temperature":"-65°C~165°C","Center Contact Plating":"Gold","Center Contact Material":"Beryllium Copper"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.0100","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/903-367P-51A2/alternatives.json"},"ai":{"faq":[{"question":"Is 903-367P-51A2 compatible with RG-316?","answer":"Yes, the 903-367P-51A2 is specifically designed for RG-316 cable. The kit includes the connector, end cap, and ferrule for that cable group."},{"question":"What tools are required to install 903-367P-51A2?","answer":"A standard crimp tool with the correct die for RG-316 ferrule size is needed for the shield termination, plus a soldering iron for the centre contact. No special proprietary tooling is required."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/amphenol/903-367P-51A2","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/903-367P-51A2 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}}