2-Layer 2 W/mK Thermal Conductivity 1.65mm Aluminum Metal Core MCPCB ENIG

2-Layer 2 W/mK Thermal Conductivity 1.65mm Aluminum Metal Core MCPCB ENIG

As a high-performance thermal-focused printed circuit board tailored for industrial and high-power electronic applications, this double-sided sandwich aluminum core PCB is engineered to resolve the inherent thermal management limitations of standard FR-4 PCBs, making it the ideal choice for power supply modules, LED lighting systems, automotive electronic control units, and industrial driver circuits.

Built with premiumaluminum base material and a symmetric sandwich structure, it delivers exceptional heat dissipation efficiency, stable electrical insulation, and long-term operational durability, complying with strict industrial manufacturing standards and quality control benchmarks.

Designed for low-voltage, high-current circuit layouts, this Metal Core PCB eliminates thermal buildup risks in continuous operation scenarios, with fully verified performance parameters and strict dimensional accuracy.

1. PCB Construction Details

The following table outlines the critical manufacturing parameters. Strict adherence to these specifications ensures mechanical stability and electrical integrity under high thermal stress.

2. Definition of Metal Core Printed Circuit Board (MCPCB)

A Metal Core Printed Circuit Board (MCPCB), commonly known as an Insulated Metal Substrate (IMS) orthermal PCB, is a specialized circuit board designed specifically to address thermal management challenges in high-power electronic applications.

Unlike conventional PCBs that rely on FR-4 glass epoxy as the base material with poor thermal conductivity, MCPCBs replace the standard insulating core with a highlythermally conductive metal base –aluminum is the most widely used for cost-performance balance, while copper is adopted for ultra-high heat dissipation demands.

The metal core acts as an integrated heat sink, efficiently drawing heat away from heat-generating components such as LEDs, power ICs, and switching transistors, and dissipating it to the external environment. This prevents component overheating, performance degradation, and premature failure, making MCPCBs indispensable for compact, high-power designs where large external heat sinks are not feasible, striking an optimal balance between electrical insulation, mechanical stability, and thermal conductivity.

3. Double-Sided Sandwich Aluminum Core vs. Double-Sided Single-Sided Aluminum Core

To understand the value proposition of this product, one must distinguish between the two common structures of multi-layer aluminum boards.

2-Layer Metal Core PCB Stack Up

Double-Sided Sandwich Aluminum Core PCB Stack Up

Conclusion

This Double-Sided Aluminum Core PCB is the optimal choice for engineers looking to maximize power density in a compact form factor (68x54mm). By utilizing a symmetrical stackup with >2 W/mK thermal conductivity and a high-quality ENIG finish, we ensure that your high-power designs remain cool, stable, and reliable under continuous operation. The absence of silkscreen and the use of 100% electrical testing guarantee a high-quality, professional-grade substrate ready for automated assembly lines.