SMA Female 4-Hole Flange Mount RF Connector – Field Replaceable, 6.35mm Hole Spacing, 0.51mm Pin Diameter

SMA Female 4-Hole Flange Mount Field-Replaceable RF Connector – Model SMA-KFD11

The SMA female 4-hole flange mount RF connector with a 0.51 mm pin and 6.35 mm hole spacing is engineered for laboratory instruments, communication modules, and broadband calibration assemblies. Its field-replaceable construction ensures consistent performance and quick maintenance without affecting system calibration.

Electrical Specifications and Operating Range

Delivering 50 Ω impedance, VSWR < 1.08, and insertion loss < 0.06√F(GHz) dB, the SMA-KFD11 connector provides reliable low-loss signal transmission up to 18 GHz. It supports stable impedance and minimal phase drift in precision RF test setups. Explore other configurations in our SMA connector range.

Material Composition and Compliance

Constructed from stainless steel with gold-plated beryllium copper contacts, this connector ensures strong mechanical endurance, corrosion resistance, and repeatable mating cycles. All parts are REACH and RoHS compliant, meeting international regulatory standards. See more under flange-mount connectors.

Mounting Interface and Integration

The 4-hole flange mount geometry (6.35 mm spacing) provides secure installation and reliable alignment for modular test fixtures and communication assemblies. Its precision fit supports long-term use and easy panel mounting. Visit the RF connector catalog for similar models.

Complementary Male Connector

Pair with the SMA male 4-hole flange mount RF connector – Model SMA-JFD11 for broadband matching and high-accuracy signal transfer.