Is conformal coating necessary onto the PCB assembly?

I noticed that most PCB and components on it are conformal coating. Is that a necessary process for all the PCB in other field? What are they for?

september 19, 2023

Depends.

-Most commercial products do not have a conformal coating.

-PCBs of Industrieel, especially military, may need additional protection from moisture and dust.

Manufacture of the PCBs may leave moisture in the fiberglass substrate. That would cause slippy operation towards units. The solution is to bake out the blank PCBs before soldering the parts on and spraying on a conformal coating to seal the analog electronics / PCB. Then calibrate the unit a few days later.

#PCB Assembly #Industrial

Olivier Smit

Oliver is een ervaren elektronica-ingenieur met kennis van PCB-ontwerp, analoge circuits, ingebedde systemen, en prototyping. Zijn diepgaande kennis omvat schematisch vastleggen, firmware-codering, simulatie, indeling, testen, en probleemoplossing. Oliver blinkt uit in het omzetten van projecten van concept naar massaproductie met behulp van zijn elektrische ontwerptalenten en mechanische vaardigheden.

Olivier Smit

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Is conformal coating necessary onto the PCB assembly?

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Wat anderen vragen

How can I connect my small PCB with sensor to the bigger PCB?

What are primary and secondary sides of PCB?

Wat gaat er mis als het op een hogere temperatuur wordt bewaard of over de houdbaarheidsdatum heen is??

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