Description
The UHF series (SO-239) remains the standard for high-power HF and VHF applications due to its ruggedness and ease of use. This female variant features a 2-hole rectangular flange, providing a secure mechanical mounting solution with a smaller footprint than traditional 4-hole versions. This design is particularly advantageous for high-density equipment panels, small-form-factor radio enclosures, and custom antenna distribution boxes where mounting space is at a premium but physical stability is still required.
Manufactured with a heavy-duty nickel-plated brass body, the connector provides exceptional durability and a reliable ground path. The center contact features a large solder pot, designed for direct termination of internal chassis wires, ensuring a low-resistance and high-power handling connection. Equipped with PTFE (Teflon) insulation, this connector maintains its electrical properties under high temperatures and high-voltage conditions, making it suitable for transmitters, amplifiers, and high-wattage antenna tuners.
Key Technical Advantages
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Space-Saving 2-Hole Flange: Provides a secure, anti-rotation mount using only two fasteners, making it ideal for compact panels where space constraints prevent the use of a 4-hole square flange.
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High Power Capability: Specifically engineered to handle high RF power levels across the HF and VHF spectrum, a hallmark of the UHF interface.
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Direct Solder Termination: The robust solder cup simplifies the internal wiring process and provides a permanent, vibration-proof electrical connection.
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Rugged Mechanical Construction: The nickel-plated brass body and threaded interface (5/8-24) ensure long-term reliability even with heavy-duty PL-259 cable assemblies.
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Superior Thermal Stability: High-grade PTFE dielectric ensures the connector remains stable during high-power transmission and within high-temperature equipment environments.
Key Features
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Interface Type: UHF Female (SO-239 Jack) with 50-Ohm nominal impedance.
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Mounting Configuration: 2-Hole Rectangular Panel Mount (Flange).
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Termination Method: Solder Pot for internal center conductor connection.
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Premium Materials: Nickel-plated brass body with high-performance PTFE dielectric.
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Common Application: Radio chassis rear panels, custom RF enclosures, portable base stations, and VHF marine radios.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm (Nominal) |
| Frequency Range | DC – 300 MHz (Performance to 500 MHz) |
| Body Material | Brass (Nickel Plated) |
| Contact Material | Brass or Phosphor Bronze (Silver/Gold Plated) |
| Dielectric | PTFE (Teflon) |
| Coupling Mechanism | Threaded (5/8-24 UNEF) |
| Operating Temp | -40°C ~ +125°C |
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