What is aluminum core pcb?

An aluminum core PCB (printed circuit board) is a type of circuit board that has a core made of aluminum.
This core is usually sandwiched between layers of copper and other materials to create a complete circuit board.

Andwin provide thermal pad metal core PCB for customer, email us now for you PCB quote,
Email is : mcpcb@andwinmcpcb.com

What Is aluminum core pcb?

The aluminum core helps to dissipate heat generated by the components on the board, making it ideal for high-power and high-temperature applications.

Aluminum core PCBs are commonly used in LED lighting, power supplies, automotive electronics, and other applications where heat dissipation is critical. They are also known as metal core PCBs or MCPCBs.

Types of aluminum core pcb

  1. Single-sided aluminum core PCB:
    This type of PCB has a single layer of copper on one side of the aluminum core.
  2. Double-sided aluminum core PCB:
    This type of PCB has copper layers on both sides of the aluminum core.
  3. Multilayer aluminum core PCB:
    This type of PCB has multiple layers of copper and other materials on top of the aluminum core.
  4. Hybrid aluminum core PCB:
    This type of PCB combines aluminum core with other materials like FR4 or ceramic to achieve specific electrical and thermal properties.
  5. High-frequency aluminum core PCB:
    This type of PCB is designed for high-frequency applications and has a specialized structure to minimize signal loss and interference.
  6. Thermal conductive aluminum core PCB:
    This type of PCB has a high thermal conductivity and is designed to dissipate heat quickly and efficiently.
  7. Metal-backed aluminum core PCB:
    This type of PCB has a metal backing, usually made of copper or aluminum, to provide additional heat dissipation and mechanical support.

aluminum core pcb is used in a variety of applications, including:

Aluminum core PCBs are used in a wide range of applications where high thermal conductivity and heat dissipation are required. Some common applications include:

  1. LED lighting:
    Aluminum core PCBs are widely used in LED lighting applications due to their ability to dissipate heat from the LED chips, which can generate a lot of heat.
  2. Power supplies:
    Aluminum core PCBs are used in power supply applications where high power densities are required, as they can handle high temperatures and dissipate heat effectively.
  3. Automotive electronics:
    Aluminum core PCBs are used in automotive electronics, such as engine control units, due to their ability to withstand high temperatures and harsh environments.
  4. Computer and telecommunications equipment:
    Aluminum core PCBs are used in computer and telecommunications equipment, such as servers and routers, where high thermal conductivity is required to dissipate the heat generated by the components.
  5. Medical equipment:
    Aluminum core PCBs are used in medical equipment, such as MRI machines, where high thermal conductivity is required to dissipate the heat generated by the components.

Multilayer metal core pcb

Multilayer MCPCB could layout more circuit, the MCPCB smaller much.

This arrangement is made so that the heat can dissipate through the metal core and transmit to the chassis.

Most of the LED or analog devices are populated with considerably larger boards.
The surface of the boards finishes by dissipating the heat.

While using the MCPCBs, it is obliged to take proper caution because it is constructed with some complex and complicated metal layers laminated with FR4 based on glass material. 

The chemistry for lamination differs while the board is fabricated.
If the board is bonded properly then there might be voids below the lamination and caution is necessary.

The dissipated fixture of heat is anticipated from the metal core which is needed to be defined and designed carefully.

aluminum core pcb material

Aluminum core PCB material, also known as aluminum PCB or metal core PCB, is a type of printed circuit board that has a layer of aluminum as its base material. The aluminum core provides excellent heat dissipation, making it ideal for applications that require high thermal conductivity, such as LED lighting, power supplies, and automotive electronics.

The aluminum core PCB material consists of three layers: a thin layer of copper on top, a layer of aluminum in the middle, and a layer of dielectric material on the bottom. The copper layer is used for the circuitry, while the aluminum layer acts as a heat sink to dissipate the heat generated by the components.

Aluminum core PCBs are typically more expensive than traditional FR4 PCBs due to the cost of the aluminum material and the specialized manufacturing process required. However, they offer superior thermal performance and can handle higher power densities, making them a popular choice for high-performance applications.

Benefits Of aluminum core pcb

Aluminum core PCBs are commonly used in high-power LED lighting, automotive, and aerospace industries. They are also used in power electronics,

such as power supplies, motor controllers, and inverters, where high thermal conductivity is required to dissipate heat generated by high power components.

Applications Of aluminum core pcb

The technology of the metal core PCB is ideal for its applications that generate immense heat and have difficulty being cool down using conventional fans or other cooling methods.

MCPCBs play an integral role to achieve a high illumination with fewer requirements than LEDs require.
The fabrication process of metal core PCB is helpful for the applications
Since the MCPCBs are most often used in LED technologies for producing a certain illumination the light-emitting diodes releases the heat in applications like:

– General lighting
– Automotive systems
– Industrial, telecom, power supplies, and high voltage regulators types of power converters
– Photovoltaic
– Street safety lightings and streetlights
– Backlight applications

Military and aerospace are another two other sectors appropriate to utilize the benefits of metal core PCBs in their applications.

These sectors are quite sensitive and need to endure frequent thermal cycling, limits of temperature and humidity, along with repeated mechanical shocks.

The MCPCB deals according to the operational requirements only if better structural veracity and thermal conductivity enabling withstanding greater shocks.

The higher the conductivity of thermal, the better it is for the temperature distribution throughout the boards as it ensures a uniform for thermal cycling.

It also stops forming hot spots before near to the active components.
Other than these, MCPCB works great in solar panels and motion control applications.

The combination of a metal core with HDI PCB technology can create an advanced circuit technology including microwave RF PCB, flex PCB, and rigid-flex PCBs.

As the demand for PCBs is high due to the remarkable benefits, the metal core PCB is the most widely used one among all the others.

It ensures high circuitry density, thermal management, and enhanced reliability for enhanced performance.

Thermal conductivity of 2 Layers thermal Pad MPCB

Thermal pad area is 385 W/m.k

Capability of Metal core PCB

Metal core PCB Capability
ItemTechnical specification
Board thicknessMaximum (mm)3.05.0
Panel sizeMaximum (mm)600×1170/
Layer countAluminum PCB1-8L10 L
Copper PCB1-8L10 L
Iron PCB1/
ceramics PCB1-2/
Thermal ConductivityAluminum PCB(w/m.k)0.8 to 12
Copper PCB(w/m.k)2.0-378/
ceramics PCB(w/m.k)24
DrillingMinimum drill diameter (mm)1.00.8
2 Layer ALPCB Via0.3/
MaterialChao Shun(CCAF)(China)Yes/
Hua Dian(China)Yes/
Chin Shi(TaiWan)Yes/
ITEQ(Tai Wan)Yes/
Other brand per customerYes/
Final finishingHASL Lead FreeYes/
Immersion SilverYes/
Immersion Tin/YES

2 Layers direct thermal path copper core pcb application

2 Layers direct thermal path copper core pcb are designed to dissipate heat generated by high-power LEDs,
which helps to increase the lifespan of the LED and improve its performance.
The aluminium base acts as a heat sink, which absorbs and dissipates the heat generated by the LED.

The 2 Layers direct thermal path copper core pcb is made by laminating a thin layer of copper onto an copper substrate.
The copper layer is then etched to create the circuit pattern.
2 Layers direct thermal path copper core pcb for LED lighting applications are available in various sizes and thicknesses, depending on the specific requirements of the application.
They are also available in single-sided, double-sided, and multi-layered configurations.

About Andwin MCPCB

Andwin Ciurcuits MCPCB davision  set up on Feb. 2006.
Focus on  providing metal core PCB for customer
In LED field and power supply field.
We can meet all your MCPCB manufacturing needs,
From single-sided Aluminum to 
complex multilayered metal clad substrate PCBs
And from prototype through production.

The following is a list of the services and products 

We offer:
• Metal Core PCB
• Thermal PAD MCPCB
• Aluminum PCB
• Copper based PCB
• Double sided Aluminum PCB

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