{"id":5940,"date":"2024-02-20T12:28:55","date_gmt":"2024-02-20T12:28:55","guid":{"rendered":"https:\/\/mechanc.com\/?post_type=product&#038;p=5940"},"modified":"2026-08-11T15:13:32","modified_gmt":"2026-08-11T15:13:32","slug":"sma-female-4-hole-flange-rf-connector-0-38mm-pin-diameter-sma-kfd9","status":"publish","type":"product","link":"https:\/\/mechanc.com\/ko\/product\/sma-female-4-hole-flange-rf-connector-0-38mm-pin-diameter-sma-kfd9\/","title":{"rendered":"SMA \uc554 4\ud640 \ud50c\ub79c\uc9c0 \ub9c8\uc6b4\ud2b8 RF \ucee4\ub125\ud130 \u2013 \ud604\uc7a5 \uad50\uccb4\ud615, \ud640 \uac04\uaca9 6.35mm, \ud540 \uc9c1\uacbd 0.38mm"},"content":{"rendered":"<h2>SMA Female 4-Hole Flange Mount Field-Replaceable RF Connector \u2013 Model SMA-KFD9<\/h2>\n<p>The <strong>SMA female 4-hole flange mount RF connector<\/strong> with a 0.38 mm pin and 6.35 mm hole spacing provides superior mechanical precision and repeatable electrical performance in broadband testing environments. Its <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/field-replaceable-connectors\/\">field-replaceable design<\/a> allows easy servicing while preserving electrical alignment and stability.<\/p>\n<h3>Electrical Characteristics and Frequency Behavior<\/h3>\n<p>Rated for <strong>50 \u03a9 impedance<\/strong>, <strong>VSWR &lt; 1.08<\/strong>, and insertion loss &lt; 0.06\u221aF(GHz) dB, the <strong>SMA-KFD9 connector<\/strong> ensures excellent low-loss performance from DC to 18 GHz. It minimizes reflection and maintains high return loss across repeated use. Discover similar interfaces in our <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/sma-connectors\/\">SMA connector catalog<\/a>.<\/p>\n<h3>Material Structure and Compliance Certification<\/h3>\n<p>Constructed from passivated stainless steel with gold-plated beryllium copper contacts, this connector provides exceptional durability and electrical stability. Each unit is <strong>REACH and RoHS compliant<\/strong>, fulfilling global industry requirements. View other models within our <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/flange-mount-connectors\/\">flange-mount connector<\/a> range.<\/p>\n<h3>Mechanical Integration and Assembly Layout<\/h3>\n<p>The <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/4-hole-flange-mount\/\">4-hole flange mount<\/a> footprint (6.35 mm spacing) provides secure mechanical support and easy integration into compact RF test assemblies. Its structure ensures phase repeatability and vibration resistance. Check the <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/\">RF connector catalog<\/a> for complementary SMA designs.<\/p>\n<h3>Complementary Male Connector<\/h3>\n<p>Pair with the <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/sma-male-4-hole-flange-rf-connector-0-38mm-pin-diameter-sma-jfd9\/\">SMA male 4-hole flange mount RF connector \u2013 Model SMA-JFD9<\/a> to ensure precise gender pairing and phase-matched broadband performance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SMA Female 4-Hole Flange Mount Field-Replaceable RF Connector \u2013 Model SMA-KFD9 The SMA female 4-hole flange mount RF connector with a 0.38 mm pin and 6.35 mm hole spacing provides superior mechanical precision and repeatable electrical performance in broadband testing environments. Its field-replaceable design allows easy servicing while preserving electrical alignment and stability. Electrical Characteristics 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