Aluminums PCBs

Aluminum PCB (Aluminum-based Printed Circuit Board) is a type of metal core PCB (MCPCB) where the base layer is made of aluminum instead of traditional FR4. It is designed to efficiently dissipate heat away from critical components, extending product lifespan and maintaining performance.

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🔶 Advantages of Aluminum PCBs

  • Environmentally Friendly
    Aluminum substrates are recyclable, non-toxic, and easy to assemble, making them suitable for mass production.

  • Excellent Heat Dissipation
    Aluminum efficiently transfers heat away from sensitive components, reducing thermal stress and improving circuit board reliability during operation.

  • High Durability
    The ruggedness of aluminum ensures resistance to mechanical damage during manufacturing, shipping, and handling.

  • Lightweight
    Aluminum provides strength and elasticity while keeping overall product weight low, enhancing design flexibility.

  • Superior Mechanical Strength
    Aluminum PCBs offer better durability compared to fragile ceramic substrates, making them ideal for demanding environments.


🔶  Applications of Aluminum PCBs

  • Consumer Electronics
    Widely used in power and audio equipment such as input/output amplifiers, balanced amplifiers, preamplifiers, power amplifiers, and computer power supplies.

  • Telecommunications
    Applied in various communication power supplies, switching regulators, DC/AC converters, and filtering equipment.

  • Industrial Control
    Common in motor drive circuits and automation machinery.

  • Automotive Electronics
    Utilized in electronic igniters, rectifier bridges, and other automotive components requiring robust thermal management.

  • Lighting
    One of the largest markets for Aluminum PCBs, especially in LED lighting, energy-saving lamps, and other high-efficiency lighting solutions.

🔶 Technical Specifications

Quality Grade Standard IPC 2, IPC 3
Number of Layers 4 – 24 layers
Material Aluminum core (Domestic 1060), Copper core, FR4 covering
Maximum Board Size Max 450 mm × 600 mm
Final Board Thickness 0.4 mm – 5.0 mm
Copper Thickness 0.5 oz – 10.0 oz
Minimum Tracing / Spacing 4 mil / 4 mil
Minimum Drilling Hole Diameter 6 mil (≈0.15 mm)
Solder Mask Colors Green, Matte Green, Yellow, White, Blue, Purple, Black, Matte Black, Red
Silkscreen Colors White, Black
Surface Treatments Immersion Gold, OSP, Hard Gold, Immersion Silver, ENEPIG