{"id":8221,"date":"2024-11-07T08:38:01","date_gmt":"2024-11-07T08:38:01","guid":{"rendered":"https:\/\/mechanc.com\/?post_type=product&#038;p=8221"},"modified":"2026-08-11T15:40:28","modified_gmt":"2026-08-11T15:40:28","slug":"sma-female-solder-rf-connector-4-hole-flange-stub-terminal-sma-kfd40e","status":"publish","type":"product","link":"https:\/\/mechanc.com\/ja\/product\/sma-female-solder-rf-connector-4-hole-flange-stub-terminal-sma-kfd40e\/","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 8.63mm\u3001\u30d4\u30f3\u5f84 1.27mm\u3001\u30b9\u30bf\u30d6\u7aef\u5b50"},"content":{"rendered":"<h2>SMA Female 4-Hole Flange Mount RF Connector \u2013 Solder Attachment, Model SMA-KFD40E<\/h2>\n<p>The <strong>SMA female 4-hole flange mount RF connector<\/strong> with a 1.27 mm pin and 8.63 mm hole spacing is a precision-built component designed for <strong>solder attachment<\/strong> in compact and high-reliability RF systems. Operating from DC to 18 GHz with a <strong>50 \u03a9 impedance<\/strong>, it ensures outstanding electrical stability and consistent mechanical alignment across a wide frequency range.<\/p>\n<h3>High-Stability Electrical Performance<\/h3>\n<p>Featuring <strong>VSWR \u2264 1.08<\/strong> and insertion loss \u2264 <strong>0.06 \u221aF(GHz) dB<\/strong>, the <strong>SMA-KFD40E flange-mount connector<\/strong> minimizes reflection and insertion losses, ensuring reliable power transfer and signal integrity. Its 1.27 mm center pin provides accurate mating and optimal conductivity for precision RF assemblies.<\/p>\n<h3>Materials and Compliance<\/h3>\n<p>Machined from stainless steel with a gold-plated beryllium-copper contact, the <strong>SMA-KFD40E RF connector<\/strong> combines corrosion resistance, mechanical durability, and long-term electrical reliability. It fully meets <strong>REACH and RoHS compliance<\/strong> standards, making it suitable for aerospace, defense, and telecom environments.<\/p>\n<h3>Mechanical Design and Application Range<\/h3>\n<p>The 8.63 mm <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/4-hole-flange-mount\/\">4-hole flange mount design<\/a> enables secure installation on test fixtures, amplifiers, and microwave modules. Its solder attachment interface ensures a robust, vibration-resistant connection ideal for systems requiring precise RF performance.<\/p>\n<h3>Explore SMA Connector Options<\/h3>\n<p>Mechanc\u2019s <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/sma-connectors\/\">SMA RF connector<\/a> range includes flange-mount, cable-mount, and field-replaceable designs optimized for performance and repeatability. For additional frequency-specific solutions, explore our complete <a href=\"https:\/\/mechanc.com\/product-category\/rf-connectors\/\">RF Connector Catalog<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SMA Female 4-Hole Flange Mount RF Connector \u2013 Solder Attachment, Model SMA-KFD40E The SMA female 4-hole flange 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