Screaming Circuits: It's Not Just Planes and Passives

It's Not Just Planes and Passives

Tombstoning uneven route 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.

The scenario in the image on the right can do a lot of damage to manufacturerability 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?


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