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Common Myths That Surround PCB Design

Printed circuit boards are designed and manufactured every day by experts who have developed the skills that are needed. Over time, there have been some myths that have been created surrounding this area which new PCB designers tend to take as facts.

Here, we are going to debunk some of the common myths about PCB design. Keep reading if you’d like to find out more.

The Electrical Schematic Is The Hard Part

While creating an electrical schematic for a printed circuit board can be difficult, it is important to note that there are still other tricky elements of the design process once this is complete. Many people believe that once the schematic has been completed that the rest is simple, but this is not true. Designers need to create a board design based on the schematic, but they also need to work on other things such as the heat dissipation and signal loss.

Components Can Be Placed Anywhere

One of the biggest myths that surround PCB design is that components can be placed almost anywhere, and the PCB will still be effective. There are many considerations that need to be made about the placement of components such as their height and proximity to other components. For this reason, it is simply not true that components can be placed anywhere on the board.

Datasheets Are Always Accurate

While you might want to trust the data sheet that comes along with your chosen components when designing your board, you need to remember that this is a common myth. Libraries often come with discrepancies and so you need to spend some time checking that the size of your pin or orientation of it is correct. If you don’t check this early on, then you could find that you need to spend more time revising your design later on.

You Should Group Similar Parts

The final common myth that surrounds PCB design is the idea that similar parts should be grouped together on the PCB. This is not true as there should be more consideration made onto the correct function of the circuit rather than similar parts being grouped together. The idea is to limit the distance that the signal needs to travel instead of trying to group similar parts together. Try to place your parts logically and this will help out a lot.


It is important that you know about the common myths that surround PCB design to help you to decipher which aren’t true and which are. Myths can cause problems for PCB designers who aren’t very experienced and end up making some mistakes due to them. Now that you know that components need to be carefully placed according to the schematic and that similar parts don’t need to be grouped together; you can create an effective design.

Make sure to use our tips for designing PCBs and don’t fall for the myths that people have created about this type of design.

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