{"id":5980,"date":"2024-02-20T12:30:33","date_gmt":"2024-02-20T12:30:33","guid":{"rendered":"https:\/\/mechanc.com\/?post_type=product&#038;p=5980"},"modified":"2026-08-11T15:13:59","modified_gmt":"2026-08-11T15:13:59","slug":"sma-female-4-hole-flange-rf-connector-0-38mm-pin-diameter-sma-kfd15","status":"publish","type":"product","link":"https:\/\/mechanc.com\/zh-hans\/product\/sma-female-4-hole-flange-rf-connector-0-38mm-pin-diameter-sma-kfd15\/","title":{"rendered":"SMA \u6bcd\u5934 4\u5b54\u6cd5\u5170\u5b89\u88c5\u5c04\u9891\u8fde\u63a5\u5668 \u2013 \u73b0\u573a\u53ef\u66f4\u6362\uff0c\u5b54\u8ddd 5.64mm\uff0c\u9488\u5f84 0.38mm"},"content":{"rendered":"<h2>SMA Female 4-Hole Flange Mount Field-Replaceable RF Connector \u2013 Model SMA-KFD15<\/h2>\n<p>The <strong>SMA female 4-hole flange mount RF connector<\/strong> with a 0.38 mm pin and 5.64 mm hole spacing is designed for high-frequency laboratory instrumentation and broadband communication systems. The <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/field-replaceable-connectors\/\">field-replaceable interface<\/a> allows precise replacement and consistent impedance matching over repeated usage.<\/p>\n<h3>Electrical Response and Broadband Range<\/h3>\n<p>Delivering <strong>50 \u03a9 impedance<\/strong>, <strong>VSWR &lt; 1.08<\/strong>, and insertion loss &lt; 0.06\u221aF(GHz) dB, the <strong>SMA-KFD15 connector<\/strong> supports stable performance up to 18 GHz. Its low-loss design ensures excellent signal fidelity in precision RF calibration applications. View more models in the <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/sma-connectors\/\">SMA connector range<\/a>.<\/p>\n<h3>Material Properties and Global Compliance<\/h3>\n<p>Manufactured from stainless steel with gold-plated beryllium copper contacts, this connector guarantees strong conductivity and mechanical longevity. Each product is <strong>REACH and RoHS compliant<\/strong> for sustainable production. Discover further options in our <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/flange-mount-connectors\/\">flange-mount connector<\/a> selection.<\/p>\n<h3>Mechanical Design and Application Fit<\/h3>\n<p>The <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/4-hole-flange-mount\/\">4-hole flange mount<\/a> layout (5.64 mm spacing) provides rigid fastening and precise alignment for compact analyzer and network calibration systems. The connector\u2019s mechanical accuracy ensures repeatable, phase-stable performance. Visit the <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/\">RF connector catalog<\/a> for related SMA interfaces.<\/p>\n<h3>Matching Male Version<\/h3>\n<p>Use with the <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/sma-male-4-hole-flange-rf-connector-0-38mm-pin-diameter-sma-jfd15\/\">SMA male 4-hole flange mount RF connector \u2013 Model SMA-JFD15<\/a> for consistent broadband connectivity and long-term impedance stability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SMA Female 4-Hole Flange Mount Field-Replaceable RF Con 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