1.85mm Female 2-Hole Flange Mount RF Connector – Field Replaceable, 9mm Hole Spacing, 0.23mm Pin Diameter

1.85mm Female 2-Hole Flange Mount RF Connector – Field Replaceable, Model 1.85-KFD11

The 1.85 mm female 2-hole flange mount RF connector with 9 mm hole spacing and a 0.23 mm pin diameter provides high-precision connectivity and mechanical reliability for compact high-frequency systems. Designed for 50 Ω impedance and operation up to 67 GHz, the 1.85-KFD11 delivers low-loss, phase-stable performance in metrology and measurement environments. Explore Mechanc’s full RF connector catalog.

Electrical Precision and Signal Integrity

The 1.85-KFD11 RF connector achieves VSWR ≤ 1.2 and insertion loss ≤ 0.06 √F(GHz) dB, ensuring accurate impedance matching and minimal return loss throughout the 67 GHz range. Its precision-machined 1.85 mm interface guarantees consistent electrical contact and repeatable measurements in calibration and frequency-extension applications. Discover our 1.85 mm connectors.

Mechanical Design and Mounting Configuration

The 2-hole flange mount design with 9 mm hole spacing provides a compact, secure mounting footprint ideal for precision analyzers and modular assemblies. The symmetrical geometry maintains torque balance and stable reference-plane alignment under repeated mechanical stress or temperature cycling.

Material Engineering and Surface Treatment

Manufactured from passivated stainless steel and featuring a gold-plated beryllium-copper contact, the 1.85-KFD11 connector offers excellent conductivity and resistance to corrosion. High-accuracy machining ensures coaxial alignment and consistent mating performance. All components are RoHS and REACH compliant. View other modular designs in our field-replaceable connectors.

Applications and Custom Engineering Options

The 1.85-KFD11 2-hole flange mount RF connector is suitable for microwave analyzers, calibration ports, and test fixtures requiring compact, high-stability interfaces. Mechanc provides customization services including flange re-sizing, plating alternatives, and non-magnetic materials tailored to specific RF or environmental conditions.

For the corresponding male interface, see the mirror part: 1.85 mm Male 2-Hole Flange RF Connector – 0.23 mm Pin Diameter, Model 1.85-JFD11.