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AMPHENOL RF 312315RFX TNC Connector

Amphenol's TNC connectors, like the 31-2315-RFX, are miniature, threaded weatherproof units developed in the late 1950s. Featuring a constant 50 Ω impedance and operating from DC to 11 GHz, they are ideal for commercial applications such as antennas, base stations, cable assemblies, and WLAN networks. The threaded coupling interface ensures stability in vibration-intensive environments, and reverse polarity options prevent mismating. These connectors typically utilize die cast and molded components, offering a cost-effective solution for a wide range of applications.

Authorized Distributors
Part No:31-2315-RFX
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.72
Buy/RFQ:
Part No:31-2315-RFX
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4.72
Buy/RFQ:

AMPHENOL RF 312315RFX TNC Connector Specifications:

  • Electrical Impedance: 50 Ω nominal
  • Frequency Range: DC - 11 GHz
  • VSWR: 1.3 max. @ DC - 11 GHz (straight)
  • RF Leakage: 60 dB minimum @ 3 GHz
  • Voltage Rating: ≥ 500 V peak (depending on cable)
  • Contact Resistance: {'center contact': '≤ 1.5 mΩ', 'outer contact': '≤ 0.2 mΩ', 'braid to body': '≤ 0.1 mΩ'}
  • Insulation Resistance: 5,000 MΩ minimum
  • Insertion Loss: maximum 0.18 dB @ 9 GHz
  • Dielectric Withstanding Voltage: 1,500 Vrms (at sea level)
  • Mechanical Mating: 7/16 threaded coupling (MIL-STD-348)
  • Coupling Torque: 4.1 / 6.1 in-lbs (46 / 69 N-cm), recommended
  • Coupling Nut Retention Force: 101 lbs (450N) min.
  • Braid/Jacket Cable Affixment: Hex crimp or screw-threaded clamps
  • Durability (Matings): 500 cycles minimum
  • Environmental Temperature Range: -65°C to +165°C
  • Weatherproof: crimp: w/ heat shrink tubing, clamp: w/ gasket
  • Hermetic Seals: Helium leak test, 2 x 10^8 cc/sec.
  • Thermal Shock: MIL-STD-202, method 107, cond. B
  • Moisture Resistance: MIL-STD-202, method 106
  • Corrosion: MIL-STD-202, method 101, cond. B
  • Vibration: MIL-STD-202, method 204, cond. B
  • Mechanical Shock: MIL-STD-202, method 213, cond. G
  • Altitude: MIL-STD-202, method 105, cond. C
  • Material Male Contact: Brass, gold plated
  • Material Female Contact: Beryllium copper or phosphor bronze, silver or gold plated
  • Material Crimp Ferrule: Copper or brass, nickel plated
  • Material Other Metal Parts: Brass, nickel plated (except M39012 silver plated)
  • Material Insulator: PTFE, copolymer of styrene, glass TFE (hermetically sealed)
  • Material Gasket: Silicone or synthetic rubber

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Frequently Asked Questions

Where can I buy AMPHENOL RF 312315RFX?

You can click on the BUY or RFQ button to purchase 312315RFX from an authorized AMPHENOL RF distributor.

How do I troubleshoot issues or seek technical support for part 312315RFX?

You can download the 312315RFX datasheet or visit the AMPHENOL RF website for support.

Who is the manufacturer of 312315RFX?

AMPHENOL RF

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