This is my first attempt to route a 4 layer board. But I was curious if routing signal traces under components like this is a good idea? Allowed? Or what?
These are 0603 components.
Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. It only takes a minute to sign up.Sign up to join this community
The answer as always is: it depends.
In general, if the PCB design rules allow it (i.e. you are not violating minimum spacing, etc.), you should be OK. There are a few other reasons to avoid doing so, however:
But if your signal and the component terminals are not sensitive nodes (i.e. a CMOS digital output under a decoupling capacitor), then you are probably fine.