1.85mm Female 4-Hole Flange Mount RF Connector – Field Replaceable, 8.64mm Hole Spacing, 0.23mm Pin Diameter

1.85mm Female 4-Hole Flange Mount RF Connector – Field Replaceable, Model 1.85-KFD1

The 1.85mm female 4-hole flange mount RF connector with 8.64 mm hole spacing and a 0.23 mm pin diameter provides precise electrical continuity and mechanical integrity for high-frequency measurement systems. Designed for 50 Ω impedance and frequencies up to 67 GHz, the 1.85-KFD1 ensures consistent low-loss signal transmission for advanced microwave and millimeter-wave applications. Explore the full range of RF connectors from Mechanc.

High-Frequency Electrical Accuracy

The 1.85-KFD1 RF connector achieves VSWR ≤ 1.2 and insertion loss ≤ 0.06 √F(GHz) dB, ensuring reliable impedance matching and excellent return loss up to 67 GHz. The precision-cut 1.85 mm interface maintains phase stability, making it ideal for calibration modules, test adapters, and analyzer systems where ultra-low reflection is essential. Learn more about our 1.85mm connectors.

Precision Engineering and Material Integrity

Fabricated from passivated stainless steel with gold-plated beryllium copper contacts, the 1.85-KFD1 connector combines superior conductivity with exceptional mechanical durability. Tight machining tolerances guarantee stable contact alignment and repeatable electrical performance under high-frequency cycling. All materials are RoHS and REACH compliant. For maintainable precision systems, explore our field-replaceable connectors.

4-Hole Mount Design and Structural Performance

The 4-hole flange mount configuration provides robust mechanical attachment and consistent alignment across demanding setups. Its 8.64 mm hole spacing allows secure installation on instrumentation panels and RF modules while maintaining precise reference-plane positioning, critical for repeatable measurements and calibration standards.

Applications and Custom Adaptations

The 1.85-KFD1 4-hole flange mount RF connector is widely used in vector network analyzers, frequency-extension units, and high-frequency test benches where mechanical stability and signal fidelity must coexist. Custom options include modified flange geometries, alternative plating finishes, and non-magnetic materials for specialized laboratory or production requirements.

For the corresponding male interface, see the mirror part: 1.85mm Male 4-Hole Flange RF Connector – 0.23 mm Pin Diameter, Model 1.85-JFD1.