The SMA female 4-hole flange mount RF connector<\/strong> with a 0.4 mm pin and 8.64 mm hole spacing provides a robust solder attachment<\/strong> interface for precision RF systems. Operating from DC to 18 GHz at 50 \u03a9 impedance<\/strong>, this connector ensures low-loss and stable signal transmission across a wide range of commercial and laboratory-grade applications.<\/p>\n With VSWR \u2264 1.08<\/strong> and insertion loss \u2264 0.06 \u221aF(GHz) dB<\/strong>, the SMA female solder flange connector<\/strong> delivers excellent impedance matching and minimal reflection. The 0.4 mm center pin guarantees accurate alignment and consistent electrical performance in broadband circuits.<\/p>\n Constructed from stainless steel with gold-plated beryllium copper contacts, the SMA female flange connector<\/strong> provides high conductivity, wear resistance, and durability under repeated connections. It is fully REACH and RoHS compliant<\/strong>, ensuring environmentally safe materials and long-term reliability.<\/p>\n The 8.64 mm 4-hole flange design supports easy installation in 4-hole flange mount RF assemblies<\/a> used in amplifiers, communication analyzers, and precision test instruments. The solder attachment ensures a secure, vibration-resistant electrical interface.<\/p>\n Mechanc\u2019s SMA RF connector<\/a> series includes solder, crimp, and field-replaceable models engineered for optimal performance and mechanical reliability. Discover additional options in our RF Connector Catalog<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":" SMA Female 4-Hole Flange Mount RF Connector \u2013 Solder Attachment, Model SMA-KFD39 The SMA female 4-hole flange mount RF connector with a 0.4 mm pin and 8.64 mm hole spacing provides a robust solder attachment interface for precision RF systems. Operating from DC to 18 GHz at 50 \u03a9 impedance, this connector ensures low-loss and 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Performance and Signal Stability<\/h3>\n
Material Quality and Compliance<\/h3>\n
Applications and Mounting Flexibility<\/h3>\n
Explore SMA Connector Solutions<\/h3>\n