RF Industries · Connectors

RF Industries RFU-621 Mini UHF Male to UHF Female 50 Ohm RF Connector Adapter

EhubAmerica SKU
RFU-621

$17.85

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Overview

What it is and who it is for

The RF Industries RFU-621 is a straight RF coaxial adapter that converts a Mini UHF male interface to a UHF female SO-239 interface, enabling seamless integration between equipment and cables that use these two common connector standards. Built with a nickel-plated body, gold-plated contact pin, and PTFE dielectric insulation, the RFU-621 delivers reliable electrical performance and signal integrity at a 50-ohm impedance matched to standard RF coaxial systems. Its compact, straight-configuration form factor makes it well suited for use in two-way radio, amateur radio, and broader RF communication installations where interface conversion is required without introducing unnecessary bulk or cable routing complexity.

Key features & benefits

  • Mini UHF Male to UHF Female SO-239 Conversion — Provides a direct, straight-configuration interface bridge between Mini UHF male connectors and UHF female SO-239 ports, eliminating the need for adapter cables in space-constrained installations.
  • 50-Ohm Impedance Matched — Designed to the 50-ohm impedance standard common to RF coaxial systems, helping to maintain consistent signal transmission and minimize reflections at the connector junction.
  • Nickel-Plated Body Construction — The nickel-plated outer body provides corrosion resistance and durable mechanical protection suited for repeated connection cycles in professional RF environments.
  • Gold-Plated Contact Pin — Gold plating on the contact pin promotes low-resistance electrical continuity and long-term connection reliability, resisting oxidation over the service life of the adapter.
  • PTFE Dielectric Insulation — Polytetrafluoroethylene dielectric material offers excellent electrical insulating properties and thermal stability, contributing to consistent RF performance across operating conditions.
  • Compact Form Factor — At 1.3 in wide and 0.8 in in both depth and height, and weighing only 0.32 oz, the RFU-621 adds minimal size and mass to any RF assembly or panel connection.

Specifications

Technical specifications

General
Brand RF Industries
Model RFU-621
Adapter Type Straight Adapter
Connectivity
Connector Configuration Mini UHF Male to UHF Female (SO-239)
RF
Impedance 50 Ohm
Assembly Mode Straight
Hardware
Body Plating Nickel
Pin Contact Plating Gold
Dielectric Material PTFE
Physical
Depth 0.8 in
Width 1.3 in
Height 0.8 in
Weight 0.32 oz