Rated Power of Coaxial Cable

·Definition and Importance of Rated Power
Rated power refers to the maximum power that a coaxial cable can safely and normally transmit signals. Exceeding this limit can cause overheating and performance degradation, reducing system reliability. Therefore, understanding the appropriate rated power is essential for long-term stable operation.
·Thermal Resistance and Electrical Constraints of Coaxial Cables
The rated power of a coaxial cable is determined by its thermal resistance and power loss. The heat generated by power loss must be dissolved from the cable surface, and the equilibrium temperature must not exceed the thermal resistance limit of the insulator or outer conductor, nor exceed the safety temperature for security purposes.
·Basic factors determining rated power (frequency, insulator, outer conductor)
As frequency increases, power loss and heat generation also increase. Additionally, heat dissipation performance varies depending on the insulator’s heat resistance temperature, the outer conductor’s structure, and the usage environment. Therefore, all these factors must be comprehensively considered when determining rated power.
In future articles, we will introduce the rated power of our coaxial cables.