PCB Color: Which is better for you?

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pcb color

There are many different PCB colors being used by manufacturers. Some of the most common include blue PCBs and green PCBs. Which is better for your project? Which is more widely used? 

Although both types of printed circuit boards have very similar properties, there are some key differences that might help you decide which one would be best for your particular project. Keep reading to find out more about these options, their pros, cons, and other details you’ll want to know before deciding which one is right for you.

Blue PCB

Blue PCBs are also sometimes referred to as the blue board. These types of printed circuit boards are typically manufactured with a copper-clad core, which is a thin layer of copper that is commonly found inside printed circuit boards.

Blue PCBs are great for applications where higher strength is needed, such as controlling heavy machinery. Because they have a thicker and denser layer of copper, they can handle much more physical stress than other types of printed circuit boards. And they’re great for applications where a large amount of current is needed. These boards operate at higher voltages, which allow a higher current to flow through them.

You can also find these boards with several different coatings, like a tin finish or a conformal coating. These coatings have different properties and might be ideal for your specific needs. These boards are typically a light blue color, but they can also come in a wide range of other colors. They can also be found in different thicknesses, ranging from 1/16” to 1/4”. Blue PCBs are best for high-power applications, heavy machinery, and when a higher level of physical strength is needed.

blue pcbs
blue pcb (source: Expreview)

Green PCB

Green PCBs are also sometimes referred to as the green board. Green PCBs are great for low-power applications, like simple electronics. They also work great for simple wiring applications and are typically easy to manufacture with a low cost. Green PCBs are typically a dark green color and are single-sided, which means that only one side of the printed circuit boards is covered in copper. These boards typically don’t handle high voltages and don’t handle much current, which is why they’re great for low-power applications. These boards are also typically very thin, ranging from .031” to .062”. Green PCBs are best for low-power applications, simple wiring, and when a low manufacturing cost is desired.

green pcb

Black PCB

The black pcb boards are created with a higher percentage of carbon compared with their standard counterparts, which makes them better suited for high-frequency applications. Due to the fact that they are more conductive, they are often used to distribute power within electronic products. Black pcb boards often have higher resistance, making them less efficient than standard pcb boards; however, they have better voltage regulation, which makes them ideal for high-frequency applications. They are often used in power supplies, switched-mode power supplies (SWPS), high-voltage applications, and power-supply rectifiers. Black pcb boards can also be used in high-current applications, such as heaters, electric heaters, and other applications that require a high amount of current.

black pcb
black pcb


A red color pcb board can be used for a variety of applications, including making electrical connections or for mounting and securing components. Red is a popular color for pcb boards because it is easy to see and stands out from other colors. When choosing a red color pcb board, it is important to consider the size, shape, and thickness of the board, as well as the number of layers.

red pcb
red pcb (source: Expreview)

PCB Blue vs Green

About blue and green pcbs, some key differences might help you decide which one would be best for your particular project. These include:

– Physical strength – Blue PCBs are typically stronger than green PCBs, which is helpful if the board needs to withstand a lot of physical stress or if it needs to withstand a lot of heat.

– Current capacity – Blue PCBs typically have a higher current capacity than green PCBs. This means that they can handle more current, which is helpful if your circuit requires a large amount of power.

– Copper thickness – Blue PCBs typically have a thicker layer of copper than green PCBs, which is helpful if you need a high amount of current or if you need to withstand a high amount of heat.

– Special coatings – Blue PCBs are sometimes available with a tin finish or a conformal coating. Green PCBs are not typically available with these special coatings.

Which is better for your project?

Ideally, you should use whichever printed circuit board is best for your specific project. No one PCB is better than the other, because each one has its strengths and weaknesses.

If you need a board that is easier to manufacture, a green PCB is likely your best bet. If you need a board with a high amount of current or a high amount of physical strength, then a blue PCB would be better for your project.

If you aren’t sure which printed circuit board would be best for your project, you can typically get helpful advice from the manufacturer of the printed circuit boards. They can let you know which type of board would be best for your specific application.



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Aidan Taylor
Aidan Taylor

I am Aidan Taylor and I have over 10 years of experience in the field of PCB Reverse Engineering, PCB design and IC Unlock.


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