{"id":4355,"date":"2024-02-20T01:44:49","date_gmt":"2024-02-20T01:44:49","guid":{"rendered":"https:\/\/mechanc.com\/?post_type=product&p=4355"},"modified":"2026-08-11T14:54:34","modified_gmt":"2026-08-11T14:54:34","slug":"1-85mm-female-4-hole-flange-rf-connector-0-23mm-pin-diameter-1-85-kfd3","status":"publish","type":"product","link":"https:\/\/mechanc.com\/de\/produkt\/1-85mm-female-4-hole-flange-rf-connector-0-23mm-pin-diameter-1-85-kfd3\/","title":{"rendered":"HF-Steckverbinder 1,85 mm, Buchse, 4-Loch-Flanschmontage \u2013 vor Ort austauschbar, Lochabstand 6,35 mm, Stiftdurchmesser 0,23 mm"},"content":{"rendered":"

1.85mm Female 4-Hole Flange Mount RF Connector \u2013 Field Replaceable, Model 1.85-KFD3<\/h2>\n

The 1.85 mm female 4-hole flange mount RF connector<\/strong> with 6.35 mm hole spacing<\/strong> and a 0.23 mm pin diameter<\/strong> provides exceptional electrical precision and mechanical reliability for broadband test and measurement systems. Operating from DC to 67 GHz<\/strong> with a 50 \u03a9 impedance<\/strong>, the 1.85-KFD3 is designed for metrology-grade performance and repeatable connections in high-frequency applications. View the full selection of RF connectors<\/a> by Mechanc.<\/p>\n

Electrical Performance and Impedance Control<\/h3>\n

The 1.85-KFD3 RF connector<\/strong> ensures VSWR \u2264 1.2<\/strong> and insertion loss \u2264 0.06 \u221aF(GHz) dB<\/strong>, providing excellent return-loss characteristics and stable phase response across its entire frequency range. The precision-machined 1.85 mm interface minimizes signal reflection, guaranteeing high measurement accuracy in analyzers, calibration systems, and network modules. Learn more about Mechanc\u2019s 1.85 mm connectors<\/a>.<\/p>\n

Mechanical Durability and Material Integrity<\/h3>\n

Constructed from passivated stainless steel<\/strong> with gold-plated beryllium copper contacts<\/strong>, the 1.85-KFD3 connector<\/strong> offers both conductivity and structural endurance. Each component is precisely machined to maintain concentric alignment and ensure consistent impedance through repeated mating cycles. All materials are fully RoHS<\/strong> and REACH<\/strong> compliant. See our range of field-replaceable connectors<\/a>.<\/p>\n

Flange Geometry and Mounting Stability<\/h3>\n

The 4-hole flange mount design<\/a> with 6.35 mm hole spacing<\/strong> enables secure panel installation and precise reference-plane positioning. Its compact geometry provides high mechanical stability while minimizing stress on solder joints and flange screws, making it ideal for precision modules and instrument front-ends.<\/p>\n

Applications and Engineering Flexibility<\/h3>\n

The 1.85-KFD3 4-hole flange mount RF connector<\/strong> is widely used in vector network analyzers, calibration standards, and frequency-extension systems where accuracy and longevity are essential. Mechanc supports customization options such as alternative flange dimensions, plating variations, and non-magnetic materials tailored to customer specifications.<\/p>\n

For the corresponding male interface, see the mirror part: 1.85 mm Male 4-Hole Flange RF Connector \u2013 0.23 mm Pin Diameter, Model 1.85-JFD3<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

1.85mm Female 4-Hole Flange Mount RF Connector \u2013 Field Replaceable, Model 1.85-KFD3 The 1.85 mm female 4-hole flange mount RF connector with 6.35 mm hole spacing and a 0.23 mm pin diameter provides exceptional electrical precision and mechanical reliability for broadband test and measurement systems. Operating from DC to 67 GHz with a 50 \u03a9 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