{"id":4348,"date":"2024-02-20T01:44:16","date_gmt":"2024-02-20T01:44:16","guid":{"rendered":"https:\/\/mechanc.com\/?post_type=product&p=4348"},"modified":"2026-08-11T14:54:28","modified_gmt":"2026-08-11T14:54:28","slug":"1-85mm-female-4-hole-flange-rf-connector-0-30mm-pin-diameter-1-85-kfd2","status":"publish","type":"product","link":"https:\/\/mechanc.com\/de\/produkt\/1-85mm-female-4-hole-flange-rf-connector-0-30mm-pin-diameter-1-85-kfd2\/","title":{"rendered":"HF-Steckverbinder 1,85 mm, Buchse, 4-Loch-Flanschmontage \u2013 vor Ort austauschbar, Lochabstand 8,64 mm, Stiftdurchmesser 0,30 mm"},"content":{"rendered":"

1.85mm Female 4-Hole Flange Mount RF Connector \u2013 Field Replaceable, Model 1.85-KFD2<\/h2>\n

The 1.85 mm female 4-hole flange mount RF connector<\/strong> with 8.64 mm hole spacing<\/strong> and a 0.30 mm pin diameter<\/strong> provides reliable high-frequency interconnection for precision measurement and microwave instrumentation. Rated for 50 \u03a9 impedance<\/strong> and operation up to 67 GHz<\/strong>, the 1.85-KFD2 ensures stable, low-loss performance in demanding test-bench and production environments. Browse the complete RF connector range<\/a> from Mechanc.<\/p>\n

Electrical Interface Performance<\/h3>\n

The 1.85-KFD2 RF connector<\/strong> achieves VSWR \u2264 1.2<\/strong> and insertion loss \u2264 0.06 \u221aF(GHz) dB<\/strong>, ensuring minimal reflection and consistent impedance control through the full operating bandwidth. The precision 1.85 mm interface guarantees clean signal transitions, essential for calibration ports, network analyzers, and millimeter-wave modules. For additional variants, visit our 1.85 mm connectors<\/a>.<\/p>\n

Material Specification and Conductivity<\/h3>\n

Manufactured from passivated stainless steel<\/strong> with gold-plated beryllium copper contacts<\/strong>, the 1.85-KFD2 connector<\/strong> combines robust mechanical integrity with excellent electrical conductivity. Precision machining maintains concentric alignment and minimizes contact resistance, delivering reliable performance across repeated connect\u2013disconnect cycles. See Mechanc\u2019s precision-built field-replaceable connectors<\/a>.<\/p>\n

Mounting Configuration and Alignment<\/h3>\n

The 4-hole flange mount design<\/a> ensures balanced torque distribution and secure attachment on instrument panels. Its 8.64 mm mounting pattern<\/strong> enables accurate positioning and repeatable reference-plane alignment, crucial for laboratory-grade calibration systems and high-density integration modules.<\/p>\n

Applications and Engineering Customization<\/h3>\n

The 1.85-KFD2 4-hole flange mount RF connector<\/strong> is commonly used in frequency-extension heads, precision analyzers, and RF calibration standards operating to 67 GHz. Mechanc provides tailored engineering options, including modified flange geometries, alternate materials, and surface-finish adjustments to meet specialized design or environmental requirements.<\/p>\n

For the corresponding male interface, see the mirror part: 1.85 mm Male 4-Hole Flange RF Connector \u2013 0.30 mm Pin Diameter, Model 1.85-JFD2<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

1.85mm Female 4-Hole Flange Mount RF Connector \u2013 Field Replaceable, Model 1.85-KFD2 The 1.85 mm female 4-hole flange mount RF connector with 8.64 mm hole spacing and a 0.30 mm pin diameter provides reliable high-frequency interconnection for precision measurement and microwave instrumentation. Rated for 50 \u03a9 impedance and operation up to 67 GHz, the 1.85-KFD2 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