1.85mm Female 4-Hole Flange Mount RF Connector – Field Replaceable, 8.64mm Hole Spacing, 0.30mm Pin Diameter

1.85mm Female 4-Hole Flange Mount RF Connector – Field Replaceable, Model 1.85-KFD2

The 1.85 mm female 4-hole flange mount RF connector with 8.64 mm hole spacing and a 0.30 mm pin diameter provides reliable high-frequency interconnection for precision measurement and microwave instrumentation. Rated for 50 Ω impedance and operation up to 67 GHz, the 1.85-KFD2 ensures stable, low-loss performance in demanding test-bench and production environments. Browse the complete RF connector range from Mechanc.

Electrical Interface Performance

The 1.85-KFD2 RF connector achieves VSWR ≤ 1.2 and insertion loss ≤ 0.06 √F(GHz) dB, ensuring minimal reflection and consistent impedance control through the full operating bandwidth. The precision 1.85 mm interface guarantees clean signal transitions, essential for calibration ports, network analyzers, and millimeter-wave modules. For additional variants, visit our 1.85 mm connectors.

Material Specification and Conductivity

Manufactured from passivated stainless steel with gold-plated beryllium copper contacts, the 1.85-KFD2 connector combines robust mechanical integrity with excellent electrical conductivity. Precision machining maintains concentric alignment and minimizes contact resistance, delivering reliable performance across repeated connect–disconnect cycles. See Mechanc’s precision-built field-replaceable connectors.

Mounting Configuration and Alignment

The 4-hole flange mount design ensures balanced torque distribution and secure attachment on instrument panels. Its 8.64 mm mounting pattern enables accurate positioning and repeatable reference-plane alignment, crucial for laboratory-grade calibration systems and high-density integration modules.

Applications and Engineering Customization

The 1.85-KFD2 4-hole flange mount RF connector is commonly used in frequency-extension heads, precision analyzers, and RF calibration standards operating to 67 GHz. Mechanc provides tailored engineering options, including modified flange geometries, alternate materials, and surface-finish adjustments to meet specialized design or environmental 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-JFD2.