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Coaxial Cables (RF)

Image Part Number Description / PDF Quantity Rfq
9059C BK002

9059C BK002

Alpha Wire

CABLE COAXIAL RG59 22AWG 500'

4
M4182 BK001

M4182 BK001

Alpha Wire

CABLE COAXIAL RG6 18AWG 1000'

0
9438 WH033

9438 WH033

Alpha Wire

CABLE MICRO COAX 38AWG 328.1'

19
1000680080

1000680080

Woodhead - Molex

32 AWG 85 OHM TWINAX, 1'

0
8262 0101000

8262 0101000

Belden

CABLE COAX RG-58A/U 20 AWG 1000'

1
M17/176-00002-250

M17/176-00002-250

Remington Industries

M17/176-00002 TWINAX CABLE (SHIE

44
1000680107

1000680107

Woodhead - Molex

29.5 AWG 100 OHM SHIELDED PAIR,

0
C1178.21.01

C1178.21.01

General Cable

CABLE COAXIAL RG58A 20AWG 1000'

317000
LMR-LW400

LMR-LW400

Times Microwave Systems

STANDARD CABLE, ALUMINUM BRAID,

0
LMR-LW400-DB

LMR-LW400-DB

Times Microwave Systems

STANDARD CABLE, ALUMINUM BRAID,

0
9174 BK002

9174 BK002

Alpha Wire

CABLE COAXIAL RG174 26AWG 500'

3
9062AC BK002

9062AC BK002

Alpha Wire

CABLE COAXIAL RG62A 22AWG 500'

9
C5822.41.01

C5822.41.01

General Cable

CABLE COAXIAL RG6 18AWG 100'

7
C5785.46.01

C5785.46.01

General Cable

CABLE COAXIAL RG6 18AWG 5000'

0
LMR-195

LMR-195

Times Microwave Systems

CABLE LMR-195 BLACK PE 500'

17
0026A0024-9X

0026A0024-9X

TE Connectivity Aerospace Defense and Marine

CABLE TWINAXIAL 26AWG FEET

5634
9174 BK005

9174 BK005

Alpha Wire

CABLE COAXIAL RG174 26AWG 100'

10024
9059B BK001

9059B BK001

Alpha Wire

CABLE COAXIAL RG59B 23AWG 1000'

1
83265 009500

83265 009500

Belden

CABLE COAX 30 AWG 500'

23
C1188.21.01

C1188.21.01

General Cable

CABLE COAXIAL RG58A 20AWG 1000'

830000

Coaxial Cables (RF)

1. Overview

RF coaxial cables are cylindrical transmission lines composed of concentric conductors separated by dielectric materials. They enable efficient high-frequency signal transmission (typically above 100 kHz) with excellent noise immunity. These cables serve as critical infrastructure in telecommunications, broadcasting, aerospace, and test measurement systems where signal integrity is paramount.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Rigid Coaxial CableMetallic outer conductor, fixed geometryFixed installations in broadcast transmitters
Semi-Rigid CableFormable but not bendable after installationMicrowave ovens, aerospace systems
Flexible Coaxial CableMulti-stranded conductors for bendingTest equipment, mobile communications
Low-Loss Foam DielectricPTFE foam dielectric reduces signal loss5G base stations, satellite links
Triaxial CableDouble shielding for EMI protectionMedical imaging equipment

3. Structure and Composition

Typical construction includes four layers:

  1. Central Conductor: Solid or stranded copper/aluminum for signal transmission
  2. Dielectric Insulator: PTFE, polyethylene, or foam materials maintaining uniform impedance
  3. Shielding Layer: Braided copper/aluminum with foil wrap (85-100% coverage)
  4. Outer Jacket: UV-resistant PVC or plenum-rated materials for environmental protection

4. Key Technical Parameters

ParameterTypical RangeSignificance
Characteristic Impedance50 , 75 standardsMatches system impedance to prevent reflections
Attenuation0.1-10 dB/100ft @1GHzDetermines maximum transmission distance
Frequency RangeDC to 40 GHz (typical)Defines usable bandwidth
VSWR1.1:1 to 2.0:1Measures impedance matching quality
Power Handling500W to 5kW peakLimits maximum operational power

5. Application Fields

  • Telecommunications: 5G infrastructure, fiber-wireless integration
  • Broadcasting: TV/radio transmission lines
  • Military/Aerospace: Radar systems, avionics
  • Test & Measurement: Oscilloscope probes, signal analyzers
  • Industrial IoT: Sensor network backbones

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
CommScopeFSJ1-50ALow-loss foam dielectric, 0-18GHz
AmphenolRG-58UGeneral-purpose 50 cable
Times MicrowaveLMR-400Weather-resistant, 0-6GHz
Huber+SuhnerRFS1000Heliax rigid line for base stations
HuaweiRF-355G massive MIMO solution

7. Selection Guidelines

Key considerations:

  • Frequency Requirements: Match cable's usable range with system operating frequency
  • Environmental Conditions: Outdoor cables require UV protection and temperature resistance (-40 C to +85 C)
  • Bending Radius: Minimum bend radius specification (typically 10 cable diameter)
  • Connectivity: Ensure compatibility with connectors (N-type, SMA, BNC)
  • Cost vs Performance: Balance loss characteristics against budget constraints

8. Industry Trends

Current development directions include:

  • High-Frequency Optimization: Supporting 6G terahertz band exploration
  • Nanodielectric Materials: Graphene-enhanced insulation for lower loss
  • Miniaturization: 0.8mm outer diameter cables for wearable devices
  • Smart Cables: Integrated sensors for real-time condition monitoring
  • Environmental Compliance: Halogen-free flame retardant (HFFR) jacket materials
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