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Confused about the difference between PCBA and PCB? Read on to learn more!



Looking to buy pcba and you are confused about the difference between PCBA and PCB? If so, you’re not alone! Many people are unsure of the difference between these two products, but the truth is that it’s not as complicated as it seems. In this blog post, we’ll discuss the differences between PCBA and PCB, as well as their uses and benefits. Read on to learn more!

What is a PCB?

The Printed Circuit Board (PCB) is a base for electronic components such as capacitors, integrated circuits, resistors, etc. The board also connects all component parts.  

The Printed Circuit Board is of different sizes and shapes as they allow the flow of electrical signals throughout the board. They are of  basically two types, the single-sided PCB having a single layer and the double-sided PCB having two layers. 

With its primary function being to provide a mechanical structure and influence signal flow, you’ll find traces on the PCB. These traces are the conductive pathway.

The PCB protects the components from oxidation, heat, or electrostatic discharge. Little wonder components are covered with insulating materials called solder masks.  Aside from the solder mask, the copper plating is another protective element for the electrical components on the board. 

In summary, a PCB is a board made of non-conductive material that provides a mechanical structure for connecting and mounting components and contains conductive pathways that create an electrical circuit. It is these pathways that allow electricity to flow from one component to another, creating the circuitry necessary for any electronic device to function.

The differences between a PCB and a PCBA

A PCB, or Printed Circuit Board, is the base material used to create electronic circuits. It’s a flat board composed of a thin layer of conductive material, typically copper, and non-conductive material, usually fiberglass. It’s used to provide pathways for electrical signals in the form of small traces and large areas of copper foil.

PCBA, or Printed Circuit Board Assembly is that complete assembly. That is, the PCBA is no longer a bare board but has the components mounted. It  is the process of soldering components onto a PCB to build an electronic device. This process includes components such as capacitors, resistors, transistors, and integrated circuits that are connected by wires, traces, and soldered connections. 

The assembled PCBA is then tested to make sure all components are functioning properly.

Which one should you use for your project?

From the differences outlined in the above section, the PCB is an unfinished material and may not be suitable for a project. So you’ll turn to the complete material called the PCBA. 

The PCBA has all the components mounted on the board. As a result, it is fit to work in several electronic devices.  So for a working device, it has to be a PCBA. 

Now, it’s up to you to decide which type of PCBA board is best for your project. Consider the complexity and budget of your project before making a decision. If you’re still unsure, it’s always wise to seek advice from a qualified electronics engineer or technician.


The PCB is a bare board while the PCBA is a board on which all the components have been mounted. It is the PCBA that is applied in workable devices.