{"id":5867,"date":"2024-02-20T12:10:43","date_gmt":"2024-02-20T12:10:43","guid":{"rendered":"https:\/\/mechanc.com\/?post_type=product&#038;p=5867"},"modified":"2026-08-11T15:12:39","modified_gmt":"2026-08-11T15:12:39","slug":"3-5mm-female-solder-rf-connector-4-hole-flange-stub-terminal-3-5-kfd37","status":"publish","type":"product","link":"https:\/\/mechanc.com\/de\/produkt\/3-5mm-female-solder-rf-connector-4-hole-flange-stub-terminal-3-5-kfd37\/","title":{"rendered":"HF-Steckverbinder 3,5 mm, Buchse, 4-Loch-Flanschmontage \u2013 L\u00f6tanschluss, Lochabstand 8,64 mm, Stiftdurchmesser 1,27 mm, Stub-Anschluss"},"content":{"rendered":"<h2>3.5mm Female 4-Hole Flange Mount RF Connector \u2013 Model 3.5-KFD37<\/h2>\n<p>The <strong>3.5 mm female 4-hole flange mount RF connector<\/strong> with a 1.27 mm pin and 8.64 mm hole spacing is designed for high-precision microwave instrumentation, calibration kits, and broadband test fixtures requiring robust mechanical performance. The <strong>solder attachment with stub terminal<\/strong> provides a secure and low-resistance connection for stable signal transmission.<\/p>\n<h3>Electrical Characteristics and Signal Fidelity<\/h3>\n<p>Operating with <strong>50 \u03a9 impedance<\/strong>, <strong>VSWR \u2264 1.1<\/strong>, and insertion loss \u2264 0.06 \u221aF(GHz) dB, the <strong>3.5-KFD37 connector<\/strong> delivers exceptional return-loss performance up to 26.5 GHz. It ensures accurate phase response and repeatable electrical stability for metrology-grade applications. Explore similar precision interfaces within the <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/3-5mm-connectors\/\">3.5 mm connector range<\/a>.<\/p>\n<h3>Material Construction and Standards Compliance<\/h3>\n<p>Manufactured from passivated stainless steel and featuring gold-plated beryllium copper contacts, this connector ensures low contact resistance, excellent durability, and long mechanical life. Each component is <strong>REACH and RoHS compliant<\/strong>, conforming to international safety and environmental standards. For comparable solutions, review our <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/flange-mount-connectors\/\">flange-mount connector<\/a> selection.<\/p>\n<h3>Mechanical Integration and Application Design<\/h3>\n<p>The <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/4-hole-flange-mount\/\">4-hole flange mount<\/a> structure with 8.64 mm spacing offers reliable mechanical retention and precise alignment on panels and enclosures. The stub terminal solder configuration simplifies integration in high-frequency circuits while maintaining exceptional stability. Discover more professional-grade designs in our <a href=\"https:\/\/www.mechanc.com\/rf-connectors\/\">RF connector catalog<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>3.5mm Female 4-Hole Flange Mount RF Connector \u2013 Model 3.5-KFD37 The 3.5 mm female 4-hole flange mount RF connector with a 1.27 mm pin and 8.64 mm hole spacing is designed for high-precision microwave instrumentation, calibration kits, and broadband test fixtures requiring robust mechanical performance. The solder attachment with stub terminal provides a secure and 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