It’s Not Just Planes and Passives

Planes can cause problems with passives, but it’s not just planes. Uneven traces — a big one on one side and a little one on the other side — can cause just about as many problems too.

Tombstoning uneven  route

The scenario in the image above can do a lot of damage to manufacturability and reliability.The problems get worse as the parts get smaller. You can end up with a cold solder joint on the right side or tombstoning. And cold solder joints are worse than cold oatmeal.

Duane Benson
Planes can hurt, but what about Euclids?

1 thought on “It’s Not Just Planes and Passives

  1. So what is the solution? A wider trace for a short length on the other side of the passive?

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