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HT77300F - 50 Ohm High Frequency RF Cable

HT77300F is a 50-Ohm microwave coaxial cable designed for high-frequency applications on the Ku band and X band. HT77300F microwave cables give you superior signal integrity, low insertion loss, less RF interference, and a robust yet easy-to-install design. These are designed to optimize performance and give system designers flexibility.

HT77300F Product Bulletin

HT77300F Burn Test Data

Cable Construction

  • Conductor: Silver-Plated Copper
  • Dielectric: PTFE
  • Shield #1: Silver-Plated Copper Flat Strip
  • Shield #2: Silver-Plated Copper Foil
  • Shield #3: Silver-Plated Copper Braid
  • Jacket: Extruded FEP, Olive Drab

Physical Data

  • Conductor:12 AWG Solid SPC
  • Temperature Range: -55/200°C
  • Outer Diameter: in (mm)0.30 (7.62)
  • Minimum Bend Radius: in (mm)1.50 (38.10)
  • Weight: lbs/100 ft (kg/100 m)8.80 (13.10)

Electrical Data

  • Impedance: ohms50
  • Capacitance: pF/ft (m)26.50 (86.90)
  • Velocity of Propagation: 77.00%
  • Time Delay: ns/ft (m)1.33 (4.36)
  • Shielding Effectiveness: dB/min-90
  • Dielectric Voltage Rating: (kV, RMS)6.50
  • DC Resistance: ohms/1000 ft (m)1.40 (4.60)


Frequency Nom/Max dB/100 ft Nom/Max (dB/100 m)
@12.0 GHz 19.5/21.5 (64.0/70.5)
@15.0 GHz 22.2/24.4 (72.8/80.1)
@18.0 GHz 24.7/27.2 (81.0/89.2)

Formula for Attenuation:
(K1 × √F(MHz) + (K2 × F(MHz))

K Values (nom loss):
K1 =0.15   K2 =0.000255

Spec Sheet Includes:

  • Assembly Loss at
  • Product Bulletin
  • Burn Test Data

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