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Can I use a hot glue to cover a PCB board to insulate it and prevent it from damage?

I want to DIY PCB board at home, but raw material is limited. Can I hot glue to cover a PCB board? Is it advisable to do that?

Not recommend. There are two proper methods to coat a PCB.

  1. The first is via a conformal coating.
  2. The other is potting epoxy.
  • Depending on your electronics casework, you may be able to fill with with non-conductive epoxy.
  • You have to be concerned about any cabling.
  • Once potted, your gear is unrepairable. You have to watch out for connectors.
  • If they will with epoxy, they won’t work any longer.
  • If the PCB is depending on cooling via the case, you can try heat-conducting, electrically insulating potting epoxy.

#PCB Manufacturing

https://www.youtu.be/vr34HkBPAcw?si=d-xOTm1ZQ8F5F3fb

Picture of Oliver Smith

Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.
Picture of Oliver Smith

Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.

What Others Are Asking

Are SMT components bad for high voltage applications?

Many assembly factories are asking for SMT jobs, while I think through hole would be a better option for a high voltage application. Before the high voltage project is started, we need to make a call on SMT or Through hole parts. Is there a study on this?

Oliver Smith November 22, 2023
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