Coaxial Cables

Name: Coaxial Cables
SKU: 1000003
Price: 13.89 USD
Availability: InStock

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Coaxial Cable Specification Table:

Parameter	Details
Conductor Material	Copper (solid or stranded), copper-clad steel (CCS)
Dielectric Insulation	Polyethylene (PE), foam polyethylene, or PTFE (Teflon)
Outer Conductor (Shielding)	Braided copper, aluminum, or foil
Outer Jacket Material	PVC (Polyvinyl Chloride), PE (Polyethylene), or LSZH (Low Smoke Zero Halogen)
Impedance	50 ohms (for data transmission, radio) or 75 ohms (for TV, cable, CCTV)
Frequency Range	Typically from 1 MHz to several GHz depending on cable type
Attenuation	Varies by frequency and cable type; usually measured in dB per 100 feet
Voltage Rating	Typically between 300V and 500V, depending on the application
Shielding Effectiveness	60% to 95% coverage, depending on the shield type and application
Temperature Rating	-20°C to 80°C (varies based on jacket material)
Standards Compliance	Meets international standards such as RG (Radio Guide) or MIL-C-17 for military applications

Common Coaxial Cable Types and Applications:

Cable Type	Impedance	Application
RG-6	75 ohms	Used for cable TV, satellite TV, CCTV
RG-59	75 ohms	Used for short-distance video transmission, CCTV
RG-11	75 ohms	Used for long-distance cable TV or internet
RG-58	50 ohms	Used for data, RF transmission, amateur radio
RG-213	50 ohms	Used for high-power signal transmission, military
LMR-400	50 ohms	Used for wireless communication, antenna systems

Key Features:

Conductor:The central conductor is usually made of copper for excellent signal transmission, though copper-clad steel (CCS) is used for higher strength and durability in certain applications.
Dielectric Insulation:This layer surrounds the conductor and provides electrical insulation. Foam polyethylene or solid PE is common for flexibility and low attenuation.
Shielding:Coaxial cables have a braided shield or foil shield to block electromagnetic interference (EMI). Higher shielding percentages (e.g., 95%) are used in high-performance applications.
Impedance:75 ohm cables are typically used for video and TV applications, while 50 ohm cables are standard for data, radio frequency (RF) communication, and wireless systems.
Frequency Range:Coaxial cables support a wide frequency range, making them suitable for both low-frequency TV signals and high-frequency satellite communications.

Common Sizes and Attenuation (Loss in dB/100 feet at 1 GHz):

Cable Type	Outer Diameter	Attenuation
RG-6	6.9 mm (0.27 in)	5.65 dB/100 ft
RG-59	6.1 mm (0.24 in)	10.5 dB/100 ft
RG-11	10.3 mm (0.41 in)	3.9 dB/100 ft
RG-58	4.95 mm (0.195 in)	10.6 dB/100 ft
LMR-400	10.29 mm (0.405 in)	3.9 dB/100 ft

Applications:

Television (TV) Transmission:Coaxial cables are widely used to connect televisions to antennas, cable boxes, and satellite systems.
Data Transmission:50-ohm cables like RG-58 and LMR-400 are used in radio frequency transmission for wireless networks and telecommunications.
CCTV and Surveillance:RG-6 and RG-59 cables are commonly used for closed-circuit television (CCTV) and other short-range video applications.
Internet Access:Coaxial cables are often used by internet service providers for high-speed data transmission.

Summary:

Coaxial cables are a popular choice for signal transmission in television, internet, radio, and CCTV applications due to their excellent shielding and ability to support high-frequency signals. The key to choosing the right coaxial cable is matching the impedance and attenuation characteristics with the specific application needs.

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