Mini-UHF Connectors
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Mini-UHF Connectors

Compact threaded RF connectors offering UHF-sized performance in smaller spaces

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Overview

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Amphenol RF’s Mini‑UHF series delivers the legacy UHF interface in a miniaturized 3/8-24 threaded format, optimized for tight-space applications without sacrificing signal capabilities. These connectors maintain excellent RF performance up to 2.5 GHz while reducing size, weight, and cost—making them ideal for installations in portable, embedded, and broadcast systems.

With both cable plug and jack options, plus PCB and panel mountable receptacles, Mini‑UHF connectors offer versatile integration paths and reliable, threaded coupling to ensure stable connectivity in compact environments.

Features and Benefits
  • Miniaturized 3/8-24 thread: Provides UHF-style reliability in a smaller footprint
  • Broad RF capability: Operates from DC to 2.5 GHz, supporting cellular, broadcast, and wireless applications
  • Multiple mounting options: Available in crimp cable plugs/jacks and PCB/panel-mounted versions for design flexibility
  • Low-cost die-cast bodies: Economical and lightweight designs using molded insulators and PTFE for durability and heat resistance
  • Threaded coupling: Secure connections resistant to vibration and signal degradation
Key Technical Details
  • Impedance: 50 Ω nominal, matching standard RF systems
  • Frequency Range: DC to 2.5 GHz, making it suitable for wireless and RF distribution
  • Voltage Rating: Continuous 335 VRMS, dielectric withstand up to 1,000 VRMS
  • Material & Insulation: Nickel-plated brass body, PTFE insulators ensure longevity and thermal stability
  • Mating Mechanism: Threaded 3/8-24 interface offers a robust mechanical connection
Applications
  • Cellular base station test and monitoring
  • Portable radio and wireless communication devices
  • Broadcast systems where space and weight are at a premium
  • PC/LAN equipment and embedded IoT modules
  • Antenna connections in UAVs, vehicles, and instrumentation

Explore our Mini-UHF line with cable plug and jack versions, PCB/panel receptacles, and threaded adapters for interfacing with UHF, SMA, TNC, and FME connectors. For customized cable assemblies or ruggedized configurations, contact our technical team to tailor solutions for your compact RF systems.

Specifications

Mini-UHF Connectors

Electrical

Impedance 50 Ohm
Frequency Range DC - 2.5 GHz
Voltage Rating 335 Volts RMS Continuous
Dielectric Withstanding Voltage 1000 VRMS Max
VSWR (Return Loss)
DC - 2.5 GHz
 1.25 (-19 dB) Max
Insulation Resistance 5000 MΩ Min

Environmental

Temperature Range −55°C to +85°C

Mechanical

Mating Cycles 500 Min
Coupling Mechanism Threaded
Mating Torque, Min Working Hand-Tighten

Note: These characteristics are typical and may not apply to all connectors.
Connector configurations may affect performance.

Interface Dimensions

Plug
Jack

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