PCB-ontwerp

Waarom zitten er tranen op de PCB-pads??

There are primarily two reasons to use teardrops:

  1. It avoids a pocket (where the trace meets the pad) that could collect acid from the PCB etching process which would later do bad things.
  2. It reduces mechanical & thermal stress resulting in less hairline cracks in the trace.

That being said, in professionally made PCB’s teardrops are rarely needed. It’s almost more of an aesthetic thing than a solution to a real problem. I’ve done many boards with and without teardrops and I have yet to notice a difference. In my opinion, they are more trouble than they are worth.

Lees verder: De essentiële gids voor PCB-sporen: De basis begrijpen

#PCB-ontwerp

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.

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