1.85mm Female 4-Hole Flange Mount RF Connector – Field Replaceable, 5.64mm Hole Spacing, 0.30mm Pin Diameter

1.85mm Female 4-Hole Flange Mount RF Connector – Field Replaceable, Model 1.85-KFD6

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

High-Frequency Electrical Performance

The 1.85-KFD6 RF connector achieves VSWR ≤ 1.2 and insertion loss ≤ 0.06 √F(GHz) dB, 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’s 1.85 mm connectors for additional variants.

Material Construction and Contact Reliability

Fabricated from passivated stainless steel with gold-plated beryllium copper contacts, the 1.85-KFD6 connector 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 and REACH standards. Discover other modular designs in our field-replaceable connectors.

Flange Geometry and Mounting Precision

The 4-hole flange mount design with 5.64 mm hole spacing 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.

Applications and Custom Engineering Options

The 1.85-KFD6 4-hole flange mount RF connector 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.

For the corresponding male interface, see the mirror part: 1.85 mm Male 4-Hole Flange RF Connector – 0.30 mm Pin Diameter, Model 1.85-JFD6.