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HCA300-50JMF
3" Air-Dielectric Coaxial Cable, Flame Retardant and Halogen Free (LS0H) Jacket

Rev : C | Rev date : 25 Mar 2024

3" low loss air dielectric cable; flame retardant/ halogen free jacket

RFS Technologies' air dielectric cables are air filled coaxial cables which consist of an inner conductor and an outer conductor. A dielectric helix is used to center the inner conductor to the outer conductor. Air dielectric cables have low attenuation and high power rating which make them perfect choice of high RF power transmission lines, such as in FM, TV and radar systems and networks. Air cables also have better flexibility and crush resistance than other solutions such as rigid lines.

FEATURES / BENEFITS

  • Low Attenuation
    The low attenuation of this coaxial cable results in highly efficient signal transfer in your RF system.
  • Complete Shielding
    The solid outer conductor of this coaxial cable creates a continuous RFI/EMI shield that minimizes system interference.
  • Low VSWR
    Standard and low VSWR versions of this coaxial cables contribute to low system noise.
  • Outstanding Intermodulation Performance
    Coaxial cable's solid inner and outer conductors virtually eliminate intermods. Intermodulation performance is also guaranteed by the state-of-the-art manufacturing process at the factory.
  • High Power Rating
    Low attenuation, outstanding heat transfer properties and temperature stabilized dielectric materials enable cable to provide long operating life at high transmit power levels.
  • Wide Range of Application
    Air cables are good choices for telecom, broadcasting, radar and HF defense applications.
  • Flame Retardant and Halogen Free (LS0H) Jacket
    Meet stringent requirements for indoor applications.


3" Air Dielectric Coaxial Cable

Technical features

Applications

ApplicationsTV & RadioHF DefenseCable Solutions

Structure

Cable TypeAir-Dielectric, Corrugated
Size3
Jacket OptionBlack
Inner Conductor Diameter mm (in)29.3 (1.15)
Inner Conductor MaterialCorrugated Copper Tube
Dielectric Diameter mm (in)63.5 (2.5)
Dielectric MaterialHelical Polyethylene Spacer
Outer Conductor Diameter mm (in)72.4 (2.85)
Outer Conductor MaterialCorrugated Copper
Jacket Diameter mm (in)76 (2.992)
Jacket MaterialPolyethylene, PE, Metalhydroxite Filling

Testing and Environmental

Fire PerformanceFlame Retardant, LS0H
Flame Retardant Jacket SpecificationsThe jacketing meets the testing requirements of Underwriters Laboratories UL 1666, and qualifies for the NEC CATVR type rating code (NEC Section 820-51(b) Type CATVR- NEC 1996)as well as IEC 60332-1
Installation Temperature °C(°F)-25 to 60 (-13 to 140)
Storage Temperature °C (°F)-70 to 85 (-94 to 185)
Operation Temperature °C(°F)-50 to 85 (-58 to 185)

Electrical Specifications

Impedance Ω50 +/- 0.5
Maximum Frequency GHz1.63
Velocity %96
Capacitance pF/m (pF/ft)66.6 (20.3)
Inductance uH/m (uH/ft)0.167 (0.051)
Peak Power Rating kW640
RF Peak Voltage Volts8000
Jacket Spark Volt RMS8000
Inner Conductor dc Resistance Ω/1000 m (Ω/1000 ft)0.39 (0.12)
Outer Conductor dc Resistance Ω/1000 m (Ω/1000 ft)0.16 (0.05)
Return Loss (VSWR) PerformanceTypical 20.8dB (1.2 VSWR) or better within the operation bands of most global frequency ranges. Premium also available. Contact factory for options in your specific frequency band.
Phase Stabilized

Phase stabilized and phase matched cables and assemblies are available upon request.

Temperature & PowerStandard

Mechanical Specifications

Cable Weight, Nominal kg/m (lb/ft)2.3 (1.55)
Minimum Bending Radius, Single Bendmm (in)270 (11)
Minimum Bending Radius, Repeated Bendsmm (in)760 (30)
Bending Moment Nm (lb-ft)145 (107)
Tensile Strength N (lb)1800 (405)
Recommended / Maximum Clamp Spacing m (ft)0.8 / 1.2 (2.75 / 4)

Attenuation @ 20°C (68°F) and Power Rating @ 40°C (104°F)

Frequency, MHzdB per 100mdB per 100ftPower, kW
0.5 0.03 0.01 596
1 0.04 0.01 421
1.5 0.05 0.02 343
2 0.06 0.02 297
10 0.13 0.04 132
20 0.18 0.06 92.30
30 0.22 0.07 74.90
50 0.29 0.09 57.40
88 0.39 0.12 42.80
100 0.42 0.13 40
108 0.44 0.13 38.40
150 0.52 0.16 32.20
174 0.56 0.17 29.80
200 0.61 0.18 27.70
300 0.75 0.23 22.20
400 0.88 0.27 19
450 0.94 0.29 17.80
500 1 0.31 16.80
512 1.01 0.31 16.60
600 1.11 0.34 15.20
700 1.21 0.37 13.90
800 1.30 0.40 13
824 1.33 0.40 12.70
894 1.39 0.42 12.10
900 1.40 0.43 12.10
925 1.42 0.43 11.90
960 1.45 0.44 11.60
1000 1.48 0.45 11.40
1250 1.69 0.52 10
1500 1.88 0.57 9.04
1700 2.03 0.62 8.39

Related Products

Product Type Model Number (click to access datasheet)
EIA Connector (O ring sealing version) 318EIA-HCA300-019
EIA Connector Kit (connector + coupling element) 318EIA-HCA300-019KT
EIA Connector Re-installation Kit 318EIA-HCA300-019RK
Cable Hanger Options CLAMP-300 (Butterfly)
Angle Member Adaptor ANGLE-CLPI (for butterfly hangers)
Grounding Kit GKFORM60-300
Hoisting Grip HOIST1-300L
Wall Feed Through Kit WF-300
Weather Proofing Kit WPFG-1
Dehydrator and Accessories BD Series

Note: More related products or options may be availabe but not listed here.

External Document Links

Notes