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WeiYuanDa's heavy copper PCBs feature copper thickness from 3 oz up to 10 oz, providing exceptional current-carrying capacity and superior thermal dissipation. These thick copper PCBs are essential for power-intensive applications in automotive, industrial, and high-reliability sectors. As a trusted heavy copper PCB manufacturer, WeiYuanDa delivers precision copper prototype boards and production solutions that empower the next generation of high-power designs.
A heavy copper PCB features a copper layer thickness of 3 ounces (approximately 105 micrometers) or more, with a maximum of up to 10 ounces. Its core characteristics include:
Thick Copper Design
Copper layers ranging from 3 to 10 ounces, increasing current-carrying capacity.
Substrate and Process
Utilizes FR4 substrate, with surface treatments such as ENIG or OSP.
Efficient Heat Conduction
Copper boasts a thermal conductivity of approximately 401 W/m·K, enabling rapid heat dissipation.
Structural Flexibility
Supports single-sided, double-sided, or multilayer boards.
Compared to conventional PCBs, heavy copper PCBs offer significant advantages:
High Current Support: Thick copper layers reduce resistance, easily handling high currents.
Excellent Heat Dissipation: Rapid heat conduction protects components and extends service life.
Ultra-High Reliability: Resists high temperatures and mechanical stress, ensuring stable operation.
Design Efficiency: Reduces the need for additional heat dissipation components, simplifying design.
Power Equipment: Ensures reliable power delivery for inverters, UPS systems, and other high-current devices.
Automotive Electronics: Supports electric vehicle battery management systems and motor drive circuits with superior thermal performance.
Industrial Control: Powers heavy machinery, automation systems, and power distribution boards efficiently.
Renewable Energy: Improves the efficiency and reliability of solar inverters and other clean energy converters.
Aerospace: Provides robust and dependable performance for critical power modules in aerospace applications.
With excellent current-handling capacity, heat dissipation, and mechanical stability, heavy copper PCBs are essential across high-power sectors, from automotive and industrial equipment to renewable energy and aerospace. Choosing a trusted heavy copper PCB manufacturer ensures your boards meet the highest performance and reliability standards.
