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420300
HiQuality 300 ohm, foam filled, ribbon, TV twin-lead. 0.88% velocity factor

Starting at: $19.95

BUXCOMM Part Number:      420300
High Quality, 300 ohm, foam filled, ribbon (HDTV twin-lead).
Velocity Factor, 0.88 %  
2 Conductors, of 7 strands each equal AWG: 20
Nominal Impedance: 300 ohms
Important Note:
  PE foam will not absorb moisture. The foam-filler improves velocity factor to .88 for increased efficiency, and reduces the losses in this wire.  Employed in High-definition antenna feed-line, folded-dipole, and compact dipole antenna construction.
Foam-filled , 300 ohm twin-lead is used as a high-quality feedline, lead-in, for HDTV antennas.

BUXCOMM Part Number: 420300

Conductor AWG (Strand): 20 (7/28)
Attenuation: MHz db/100 FT

100 1.2
300 2.6
500 3.6
700 4.3
900 4.8

Nominal Impedance (in ohms)  300
RF Velocity Factor free space: 0.88%
Nominal temperature range: -20°C to +60°C
Nominal outside diameter:  .145 x .400

Jacket cover is resistant to Ultraviolet Rays
Foam PE will not absorb moisture


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