Stock code: 601677
Stock code: 601677
Aluminum sheet for PCB, as a critical material in the field of electronic circuit boards, plays an indispensable role in 5G communications, new energy vehicles, and consumer electronics due to its lightweight properties, high thermal conductivity, and electromagnetic shielding capabilities. With increasing industry demands for heat dissipation efficiency and structural strength, selecting the right aluminum alloy has become a key concern for engineers and procurement specialists. This article analyzes the best choices for PCB aluminum substrates from three perspectives: material properties, application scenarios, and selection logic, helping businesses achieve efficient thermal management and cost control.
Compared to traditional FR-4 epoxy boards, aluminum substrates offer three significant advantages:
– Efficient Heat Dissipation: Aluminum’s thermal conductivity is over 10 times that of FR-4, allowing rapid heat transfer from components to heat sinks, preventing localized overheating.
– Structural Support: Aluminum substrates can replace some metal brackets, reducing assembly steps and improving device shock resistance.
– EMI Shielding: The aluminum layer effectively blocks high-frequency signal interference, ensuring circuit stability.
These substrates have become essential in high-power applications such as LED lighting and power modules.
With 99.6% purity, 1060 aluminum is known for its low cost and ease of processing, making it suitable for low-power circuits with minimal strength requirements, such as LED strips and small power adapters. Surface oxidation treatment enhances corrosion resistance and extends service life.
Manganese-added 3003 aluminum improves tensile strength by 20% while maintaining thermal conductivity, making it ideal for medium-power devices like industrial controllers and automotive electronics. Its corrosion resistance outperforms pure aluminum, suiting outdoor or humid environments.
Magnesium-enriched 5052 aluminum combines high strength and corrosion resistance, often used in high-frequency circuits or high-vibration environments, such as aerospace electronics and base station RF modules. Anodizing further enhances insulation and aesthetics.
Heat-treated 6061-T6 aluminum excels in hardness and fatigue resistance, fitting high-power-density applications like EV battery management systems and high-power LED driver boards. Its weldability and machinability support complex structural designs.
Devices like phone chargers and Bluetooth earbuds prioritize heat dissipation and thinness, favoring 1060 or 3003 sheets with CNC machining for precision.
Equipment such as PLCs and inverters endure vibration and high temperatures, requiring 5052 or 6061-T6 for reliability, paired with insulating coatings for safety.
Battery thermal management demands exceptional thermal and corrosion resistance. 6061-T6 sheets, formed via stamping, integrate cooling fins and mounting holes to streamline assembly.
5G base station RF modules need EMI shielding. Anodized 5052 sheets meet both shielding and heat dissipation needs.
As a leader in China’s aluminum processing industry, Mingtai Aluminum has specialized in PCB-grade aluminum sheets for over 20 years, offering full-series alloys (1060, 3003, 5052, 6061-T6). ISO 9001-certified products support custom thickness (0.3-6.0mm), surface treatments (anodizing, sandblasting), and mold processing, with lead times as short as 5 days. From lab prototypes to mass production, Mingtai provides end-to-end technical support to accelerate R&D and reduce costs. Choose Mingtai’s aluminum sheet for PCB to elevate your circuit design in efficiency and reliability!
By matching alloy types to applications, the value of aluminum substrates is maximized. Whether pursuing ultimate thermal performance or harsh-environment adaptability, scientific selection is key to product competitiveness.
