What is aluminum pcb led?

Aluminum PCB LED refers to a type of printed circuit board (PCB) that is made of aluminum material and is designed to be used with LED lights.
Aluminum PCBs are known for their excellent thermal conductivity, which makes them ideal for use with high-power LED lights that generate a lot of heat.

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

What Is aluminum pcb led?

The aluminum material helps to dissipate the heat away from the LED, which helps to prolong the life of the LED and improve its performance.
Aluminum PCB LED is commonly used in applications such as automotive lighting, street lighting, and industrial lighting.

Types of aluminum pcb led

There are several types of aluminum substrate light-emitting diodes (LEDs), including:

  1. Single-layer aluminum substrate LED:
    This type of LED has a single layer of aluminum substrate and is commonly used in low-power applications.
  2. Double-layer aluminum substrate LED:
    This type of LED has two layers of aluminum substrate and is used in medium-power applications.
  3. Multilayer aluminum substrate LED:
    This type of LED has multiple layers of aluminum substrate and is used in high-power applications.
  4. Metal core printed circuit board (MCPCB) LED:
    This type of LED has a metal core, typically made of aluminum, with a layer of insulation and a layer of copper on top.
    It is used in high-power applications where heat dissipation is critical.
  5. Flexible aluminum substrate LED
    : This type of LED has a flexible aluminum substrate and is used in applications where the LED needs to be bent or shaped.
  6. Ceramic substrate LED:
    This type of LED has a ceramic substrate, typically made of aluminum oxide, and is used in high-power applications where thermal conductivity is important.

Materials for Aluminum Substrate Light Emitting Diodes

Aluminum substrate light emitting diodes (LEDs) typically require the following materials:

  1. Aluminum substrate:
    The substrate is the base material on which the LED is built. Aluminum is a popular choice due to its high thermal conductivity and low cost.
  2. Epitaxial layers:
    These are thin layers of semiconductor material that are grown on the aluminum substrate. The epitaxial layers determine the electrical and optical properties of the LED.
  3. P-type and N-type dopants:
    These are impurities that are added to the epitaxial layers to create regions of positive and negative charge.
    This creates a p-n junction, which is the basis of LED operation.
  4. Metal contacts:
    These are used to connect the LED to an external circuit. Typically, a thin layer of metal such as gold or silver is deposited on the top and bottom of the LED.
  5. Encapsulation material:
    This is a protective layer that covers the LED and provides mechanical and environmental protection. Common encapsulation materials include epoxy and silicone.
  6. Optical materials:
    These are used to enhance the light output of the LED. For example, a phosphor coating can be added to convert blue light into white light.
  7. Packaging materials:
    These are used to package the LED into a usable form, such as a surface-mount device or a through-hole package. Packaging materials can include plastic, ceramic, or metal.

Applications Of aluminum pcb led

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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