PCB & PCBA Manufacturer
Aluminum PCB | Metal Core PCB for Superior Thermal Management
Why Choose Aluminum PCBs?
For over two decades, Aluminum PCBs have been the industry standard for applications requiring efficient heat management, such as LED lighting, power equipment, and automotive systems. The key advantages include:
Superior Heat Dissipation: The aluminum core efficiently draws heat away from critical components, improving performance and extending product lifespan.
Enhanced Mechanical Strength: The rigid aluminum base provides dimensional stability and reduces the risk of board warping.
Cost-Effective Thermal Solution: Compared to active cooling (fans) or complex ceramic substrates, Aluminum PCBs offer a reliable and economical way to manage heat.
What is an Aluminum PCB?
An Aluminum PCB (also known as Aluminum Core PCB or Aluminum Backed PCB) is a type of Metal Core PCB (MCPCB) . Unlike standard FR4 boards, it uses an aluminum base layer combined with a thermally conductive dielectric layer and a copper circuit layer. This unique structure provides exceptional thermal dissipation, making it the go-to solution for high-power and thermally demanding applications.
Aluminum Core Material Specifications
The performance of an Aluminum PCB is largely determined by its dielectric layer. Below are the standard specifications for our aluminum core materials:
| Property | Performance Index |
|---|---|
| Thermal Conductivity | > 0.8 W/m·K |
| Thermal Resistance | < 1.2 °C/W |
| Peel Strength | 1.8 N/mm |
| Breakdown Voltage | > 2 kVDC |
| Insulation Resistance | > 1 x 10^9 Ω |
| Dielectric Constant (1 MHz) | 4 |
| Dissipation Factor | 0.03 |
| Combustibility | UL94 V-0 |
Our Aluminum PCB Manufacturing Capabilities
We produce high-quality Aluminum PCBs with full-feature capabilities and a Free DFM Check to ensure your design is production-ready.
| Feature | Capability | |
|---|---|---|
| Quality Grade | IPC Class 2 (Class 3 available for high-reliability) | |
| Number of Layers | 1 – 24 layers | |
| Order Quantity | 1 piece (prototype) to 10,000+ pieces (volume) | |
| Lead Time | 2 days (quick-turn) to 5 weeks (complex builds) | |
| Material Options | Aluminum core (Domestic 1060), Copper core, FR4 cover layer | |
| Board Size | Min 6mm x 6mm | Max 610mm x 610mm |
| Board Thickness | 0.8mm – 5.0mm | |
| Finished Copper Weight | 0.5oz – 10.0oz | |
| Min Trace/Spacing | 4mil / 4mil | |
| Solder Mask Colors | Green, White, Blue, Black, Red, Yellow | |
| Silkscreen Colors | White, Black, Yellow | |
| Surface Finishes (RoHS) | HASL, Lead-Free HASL, ENIG | |
| Min Annular Ring | 4mil | |
| Min Drilling Diameter | 6mil | |
| Special Techniques | Countersink holes, Screw holes |
Common Applications for Aluminum PCBs
Thanks to their thermal performance and mechanical stability, Aluminum PCBs are ideal for:
LED Products: High-brightness LED lighting (street lights, automotive headlamps, grow lights).
Power Electronics: Power supplies, power conversion equipment.
Automotive: Motor controllers, ignition systems, regulator modules.
Industrial: Motor drives, high-current rectifiers.
Get Your Aluminum PCB Project Started
To receive a free, no-obligation quotation for your Aluminum PCB project, please submit your Gerber files and specifications through our online order system. Our engineering team will perform a DFM review and respond promptly. For designs with unique requirements (e.g., special core materials, tight tolerances), contact us directly for a rapid consultation.
Start your PCB project with a trusted manufacturer.
We support fast prototyping, small batches, and large-scale production with consistent quality.
Send us your BOM, Gerber files, or project requirements and get a fast, accurate quotation from our engineering team.
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