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RG225 Coax

RG200 Cable - RG299 Cable

RG225 Coax

RG 225 Coaxial Cable

RG225 Cable

What is RG225 Cable?

RG225 coax is a 50 ohm, flexible, radio frequency coaxial cable used in direct burial applications. This cable’s construction starts with an inner conductor insulated with a cable core and topped with an outer conductor that has both an inner and outer braid. This coax cable is then topped with a vapor barrier and fiberglass braid jacket. In addition, RG 225 u cable is rated to MIL-DTL-17 specifications.

RG 225 Coaxial Cable Construction and Specifications:

  • Conductor: Silver Covered Copper
  • Conductor Stranding: 7/0.0312
  • Cable Core: Type F-1
  • Cable Core diameter: 0.285 in. ± 0.005 in.
  • Outer conductor: 34 AWG silver-covered copper wire, double braid
  • Overall diameter: 0.360 in.
  • Inner Braid: 24 carriers, 6 ends, 16.6±10% Picks/inch
  • Outer Braid: 24 carriers, 7 ends, 15.4 ± 10% Picks/inch
  • Vapor barrier: Two wraps of .005 inch ± .001 by 1-inch polytetrafluoroethylene tape, approx. lay of 24 turns per foot and a 50 percent overlap over the outer conducting braid.
  • Jacket: Type V double braid per MIL-C-17
  • Jacket diameter: 0.430 in.
  • Min Temperature: -55°C
  • Max Temperature: 200°C
  • Max Operating Voltage (vms): 5,000

Electrical Specifications and Engineering Information:

  • Continuous working voltage: 3,700 V rms, maximum
  • Velocity of propagation: 69.0 percent, nominal
  • Characteristic impedance: 50 ± 2 ohms
  • Attenuation: 5 dB per 100 feet maximum at 400 MHz
  • Capacitance: 32.4 pF per foot, maximum
  • Inner conductor properties -
  • DC resistance (maximum at 20°C): 0.173 ohm per 100 feet, maximum.
  • Elongation: 25 percent, minimum

Mil-Spec Equivalent:

  • Military Specification: MIL-C-17
  • Mil Spec Equivalent Use: M17/86-00001
Part Number Conductor StrandingNom. Dia. of Cond.Dielectric (in)Nom. O.D. (in)Nom. Imp.Approx LBS/MFTNom. Cap. (pF/ft)
RG225 7/.0312 0.0936 0.285 0.360 50 180 32.4