{"id":4378,"date":"2024-02-20T01:46:20","date_gmt":"2024-02-20T01:46:20","guid":{"rendered":"https:\/\/mechanc.com\/?post_type=product&p=4378"},"modified":"2026-08-11T14:54:49","modified_gmt":"2026-08-11T14:54:49","slug":"1-85mm-female-4-hole-flange-rf-connector-0-30mm-pin-diameter-1-85-kfd6","status":"publish","type":"product","link":"https:\/\/mechanc.com\/ja\/product\/1-85mm-female-4-hole-flange-rf-connector-0-30mm-pin-diameter-1-85-kfd6\/","title":{"rendered":"1.85mm \u30e1\u30b9 4\u7a74\u30d5\u30e9\u30f3\u30b8\u30de\u30a6\u30f3\u30c8 RF \u30b3\u30cd\u30af\u30bf \u2013 \u73fe\u5834\u4ea4\u63db\u53ef\u80fd\u3001\u7a74\u9593\u9694 5.64mm\u3001\u30d4\u30f3\u5f84 0.30mm"},"content":{"rendered":"

1.85mm Female 4-Hole Flange Mount RF Connector \u2013 Field Replaceable, Model 1.85-KFD6<\/h2>\n

The 1.85 mm female 4-hole flange mount RF connector<\/strong> with 5.64 mm hole spacing<\/strong> and a 0.30 mm pin diameter<\/strong> provides high-stability, low-loss signal transmission for precision microwave systems. Engineered for 50 \u03a9 impedance<\/strong> and frequency operation up to 67 GHz<\/strong>, the 1.85-KFD6 guarantees reliable electrical performance and repeatable measurements in advanced test and instrumentation setups. Explore Mechanc\u2019s full line of RF connectors<\/a>.<\/p>\n

High-Frequency Electrical Performance<\/h3>\n

The 1.85-KFD6 RF connector<\/strong> achieves VSWR \u2264 1.2<\/strong> and insertion loss \u2264 0.06 \u221aF(GHz) dB<\/strong>, ensuring superior impedance consistency and minimal return loss throughout the 67 GHz bandwidth. Its precision-machined female interface supports tight phase control and low reflection, ideal for calibration modules, metrology systems, and analyzer extensions. See Mechanc\u2019s 1.85 mm connectors<\/a> for additional variants.<\/p>\n

Material Construction and Contact Reliability<\/h3>\n

Fabricated from passivated stainless steel<\/strong> with gold-plated beryllium copper contacts<\/strong>, the 1.85-KFD6 connector<\/strong> ensures excellent mechanical endurance and electrical continuity. Precision surface finishing preserves concentricity and maintains low contact resistance even after numerous connection cycles. All components comply with RoHS<\/strong> and REACH<\/strong> standards. Discover other modular designs in our field-replaceable connectors<\/a>.<\/p>\n

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

The 4-hole flange mount design<\/a> with 5.64 mm hole spacing<\/strong> provides compact yet rigid integration for analyzers, switch modules, and test fixtures. The optimized hole pattern enhances torque balance and maintains precise reference-plane alignment under repeated assembly or thermal variation conditions.<\/p>\n

Applications and Custom Engineering Options<\/h3>\n

The 1.85-KFD6 4-hole flange mount RF connector<\/strong> is widely used in W-band frequency-extension systems, calibration standards, and precision analyzers demanding repeatable, low-VSWR interfaces. Mechanc offers tailored configurations such as flange modifications, alternative platings, and non-magnetic material options to meet specific environmental or mechanical 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-JFD6<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

1.85mm Female 4-Hole Flange Mount RF Connector \u2013 Field Replaceable, Model 1.85-KFD6 The 1.85 mm female 4-hole 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