{"id":8214,"date":"2024-11-07T08:35:34","date_gmt":"2024-11-07T08:35:34","guid":{"rendered":"https:\/\/mechanc.com\/?post_type=product&p=8214"},"modified":"2026-08-11T15:40:23","modified_gmt":"2026-08-11T15:40:23","slug":"sma-female-solder-rf-connector-4-hole-flange-stub-terminal-sma-kfd39","status":"publish","type":"product","link":"https:\/\/mechanc.com\/ja\/product\/sma-female-solder-rf-connector-4-hole-flange-stub-terminal-sma-kfd39\/","title":{"rendered":"SMA \u30e1\u30b9 4\u7a74\u30d5\u30e9\u30f3\u30b8\u30de\u30a6\u30f3\u30c8 RF \u30b3\u30cd\u30af\u30bf \u2013 \u306f\u3093\u3060\u4ed8\u3051\u3001\u7a74\u9593\u9694 8.64mm\u3001\u30d4\u30f3\u5f84 0.4mm\u3001\u30b9\u30bf\u30d6\u7aef\u5b50"},"content":{"rendered":"

SMA Female 4-Hole Flange Mount RF Connector \u2013 Solder Attachment, Model SMA-KFD39<\/h2>\n

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

Electrical Performance and Signal Stability<\/h3>\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

Material Quality and Compliance<\/h3>\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

Applications and Mounting Flexibility<\/h3>\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

Explore SMA Connector Solutions<\/h3>\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 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