3.5mm Female 4-Hole Flange Mount RF Connector – Solder Attachment, 8.64mm Hole Spacing, 1.27mm Pin Diameter, Stub Terminal

3.5mm Female 4-Hole Flange Mount RF Connector – Model 3.5-KFD37

The 3.5 mm female 4-hole flange mount RF connector with a 1.27 mm pin and 8.64 mm hole spacing is designed for high-precision microwave instrumentation, calibration kits, and broadband test fixtures requiring robust mechanical performance. The solder attachment with stub terminal provides a secure and low-resistance connection for stable signal transmission.

Electrical Characteristics and Signal Fidelity

Operating with 50 Ω impedance, VSWR ≤ 1.1, and insertion loss ≤ 0.06 √F(GHz) dB, the 3.5-KFD37 connector delivers exceptional return-loss performance up to 26.5 GHz. It ensures accurate phase response and repeatable electrical stability for metrology-grade applications. Explore similar precision interfaces within the 3.5 mm connector range.

Material Construction and Standards Compliance

Manufactured from passivated stainless steel and featuring gold-plated beryllium copper contacts, this connector ensures low contact resistance, excellent durability, and long mechanical life. Each component is REACH and RoHS compliant, conforming to international safety and environmental standards. For comparable solutions, review our flange-mount connector selection.

Mechanical Integration and Application Design

The 4-hole flange mount structure with 8.64 mm spacing offers reliable mechanical retention and precise alignment on panels and enclosures. The stub terminal solder configuration simplifies integration in high-frequency circuits while maintaining exceptional stability. Discover more professional-grade designs in our RF connector catalog.