SMA Jack (Female) to UHF Jack (Female) Adapter, DC-300MHz VSWR 1.20

SMA Jack (Female) to UHF Jack (Female) Adapter | Straight Design | Screw-Lock | Brass Body

The ROSNOL AD-A2U25A/H3-H3 is a precision RF adapter designed for low-frequency applications requiring secure and reliable connectivity. Operating from DC to 300 MHz with a 50-ohm impedance, it achieves VSWR ≤ 1.20 and insertion loss ≤ 0.05√F (GHz) dB. Electrical specifications include insulation resistance ≥ 5 GΩ, center contact resistance ≤ 3 mΩ (SMA side) and ≤ 5 mΩ (UHF side), and outer contact resistance ≤ 2 mΩ (SMA side) and ≤ 5 mΩ (UHF side). Mechanical integrity is ensured through screw-lock coupling on both ends, axial contact captivation ≥ 27 N, and ≥ 500 mating cycles for dependable durability.

Constructed with brass bodies for corrosion resistance, the adapter incorporates phosphor bronze contacts plated with gold over nickel-phosphorus underplating. PTFE insulators provide excellent dielectric properties, ensuring stable performance across a temperature range of -65°C to +165°C.

ROSNOL’s precision-engineered RF adapters deliver reliable performance across a wide range of RF and microwave systems. Designed to meet the stringent demands of high-frequency signal transmission, ROSNOL adapters offer a cost-effective alternative to products from leading European and American brands. All ROSNOL RF components are manufactured in ISO 9001-certified facilities and fully comply with RoHS and REACH regulations, ensuring global environmental and safety standards. Customization services for materials, plating, and mechanical design are available to support specialized interconnect requirements.