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Kan ik een hete lijm gebruiken om een ​​printplaat te bedekken om deze te isoleren en te voorkomen dat deze beschadigd raakt??

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?

Niet aan te raden. Er zijn twee goede methoden om een ​​PCB te coaten.

  1. De eerste is via een conforme coating.
  2. De andere is epoxy oppotten.
  • Afhankelijk van uw elektronicabehuizing, 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-productie

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

Picture of Olivier Smit

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.
Picture of Olivier Smit

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.

Wat anderen vragen

Is aluminium foil a good substitute for kapon tape when soldering?

I want to desolder a tiny surface mount button from the motherboard of a phone. There are a lot of similarly tiny components surrounding it that I do not want to damage with heat from the soldering iron. Can I use aluminium foil in lieu of kapton tape to protect these components?

Olivier Smit december 5, 2023

How much larger should a plated-through hole be than lead diameter to get good solder wetting?

I’m designing a new PCB where I have a whack of connectors that have to line up with the metalwork. There are some problematic connectors. All 4 pins are round. I want to have the holes as small as possible while allowing for good solder adhesion over the full length of the pin. I’m looking for guidance on how much clearance around the component lead I should have in order to get good solder wetting and adhesion.

Olivier Smit december 4, 2023
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