Aluminum PCB
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Aluminum PCB

An aluminum PCB, also known as an aluminum-based PCB or metal core PCB (MCPCB), is a type of printed circuit board that has a base layer made of aluminum instead of the conventional FR4 (fiberglass-reinforced epoxy) material.

Aluminum PCBs are known for their excellent thermal conductivity, which makes them suitable for applications that generate a significant amount of heat or require efficient heat dissipation. The aluminum base layer acts as a heat sink, helping to spread and dissipate heat away from heat-generating components on the PCB.


It's worth noting that aluminum PCBs are more expensive than traditional FR4 PCBs due to the material cost, specialized manufacturing processes, and limited availability. Therefore, they are typically used in specific applications where thermal management is critical or where the benefits of aluminum outweigh the increased cost.

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Key features and advantages of aluminum PCBs include:

Thermal Management: The high thermal conductivity of aluminum makes it an ideal choice for applications with high-power components or those that are sensitive to heat. It helps to reduce the operating temperature of the PCB, improving the reliability and lifespan of electronic components.

Lightweight and Durable: Aluminum PCBs are lightweight yet sturdy, making them suitable for applications where weight and space are critical factors. They offer good mechanical strength and resistance to vibrations, making them suitable for use in automotive, aerospace, and other demanding environments.

Excellent Heat Spreading: The aluminum base layer allows for efficient heat spreading across the board, reducing localized hotspots and improving overall thermal management. This can contribute to better system performance and increased overall system reliability.

Electrical Isolation: Despite the aluminum base layer, aluminum PCBs still provide electrical isolation between traces and components. The base layer is usually coated with an insulating layer, typically a thin layer of thermally conductive dielectric material.

LED Lighting Applications: Aluminum PCBs are commonly used in LED lighting applications, as LEDs generate heat during operation. By using aluminum PCBs, the heat generated by the LEDs can be effectively dissipated, preventing premature failure and ensuring stable performance.


The following are the advantages and characteristics of our Aluminum PCBs:

Superior Heat Dissipation: Aluminum PCBs are renowned for their impressive heat dissipation capabilities. Our boards can effectively dissipate heat, reducing the need for additional cooling mechanisms. Studies show that Aluminum PCBs can handle heat up to 10 times more efficiently than standard PCBs.

High Mechanical Durability: With their robust aluminum base, our Aluminum PCBs offer exceptional mechanical strength and stability. They are resistant to breakage and can withstand high mechanical stress, making them suitable for rugged applications.

Excellent Electrical Insulation: Despite their high thermal conductivity, Aluminum PCBs also provide excellent electrical insulation. Our boards ensure that your circuits are not only cool but also safe from electrical interference and short-circuits.

Environmentally Friendly: Aluminum is a non-toxic, recyclable material, making our Aluminum PCBs an environmentally friendly choice. They align with global efforts towards sustainability and green manufacturing practices.

Cost-Effective: Due to their inherent heat dissipation capabilities, Aluminum PCBs often reduce the need for additional cooling systems, thereby saving costs. They also offer high durability, leading to fewer replacements and repair costs over time.

Versatile Applications: Our Aluminum PCBs are versatile and find applications in LED lighting systems, power supplies, automotive systems, and high-frequency circuits. Their ability to handle high power and temperature conditions make them a preferred choice in these sectors.

Quality GradeStandard IPC 2
Number of Layers4 - 24layers
Order Quantity1pc - 10000+pcs
Build Time2days - 5weeks
MaterialAluminum core (Domestic 1060), Copper core, FR4 covering
Board SizeMin 6*6mm | Max 610*610mm
Board Thickness0.8mm - 5.0mm
Copper Weight (Finished)0.5oz - 10.0oz
Min Tracing/Spacing4mil/4mil
Solder Mask SidesAs per the file
Solder Mask ColorGreen, White, Blue, Black, Red, Yellow
Silkscreen SidesAs per the file
Silkscreen ColorWhite, Black, Yellow
Surface FinishHASL - Hot Air Solder Leveling
Lead Free HASL - RoHS
ENIG - Electroless Nickle/Immersion Gold - RoHS
Min Annular Ring4mil
Min Drilling Hole Diameter6mil
Other TechniquesCountersink holes
Screw holes

The following is about the specific application of Aluminum PCBs in various fields:

LED Lighting: Our Aluminum PCBs are widely used in LED lighting due to their superior heat dissipation properties. They ensure the longevity and reliability of LEDs, which generate significant heat during operation.

Power Supplies: In power supply units and regulators, our Aluminum PCBs provide excellent thermal management, ensuring the stable operation of power electronics, even under high load conditions.

Automotive Systems: Within the automotive industry, Aluminum PCBs are employed in high-power devices such as engine and battery control systems, headlights, and interior LED lights. Their ruggedness and heat resistance make them ideal for this challenging environment.

Consumer Electronics: In devices such as power amplifiers and high-power transistors, Aluminum PCBs offer excellent thermal management, reducing the risk of overheating and ensuring reliable performance.

Computer Hardware: High-performance computer components like CPUs and GPUs produce a lot of heat. Our Aluminum PCBs are used in these applications due to their excellent heat dissipation capabilities, contributing to the overall lifespan and performance of these components.

Renewable Energy Systems: In solar panels and other renewable energy systems, Aluminum PCBs are used for their durability, heat dissipation, and eco-friendly properties. They ensure the systems' long-term performance and reliability.

Q: Why are Aluminum PCBs used in LED applications?

A: Aluminum PCBs are used in LED applications due to their excellent thermal conductivity. As LEDs generate significant heat, our Aluminum PCBs help effectively dissipate this heat, ensuring the longevity and brightness of the LED.

Q: How does the Aluminum PCB improve electrical insulation?

A: The Aluminum PCB features a dielectric layer between the circuit layer and the metal base. This layer provides excellent electrical insulation, preventing any short circuits or electrical interference, while the aluminum base enhances heat dissipation.

Q: Are Aluminum PCBs more expensive than traditional PCBs?

A: While the initial cost of Aluminum PCBs may be higher, they often prove to be more cost-effective in the long run due to their superior heat dissipation, durability, and reduced need for additional cooling systems.

Q: What is the maximum operating temperature of an Aluminum PCB?

A: The maximum operating temperature of an Aluminum PCB can vary based on design factors, but generally, they can withstand high temperatures exceeding 100°C. Please consult with our team for specifications related to your particular application.

Q: Can Aluminum PCBs be used in outdoor applications?

A: Yes, Aluminum PCBs are suitable for outdoor applications. They are resistant to harsh weather conditions and offer excellent heat dissipation, making them ideal for outdoor lighting, renewable energy systems, and more.


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