Blocking 5V and allowing 3.3V to pass

Community PCB Design
1

Hello,

I have two options to apply power to a board 3.3V or 5V. I need to block the 5V power on a line and allow the 3.3V to pass, what can I do?

Thanks!

2

This is a continuation of the thread started here:

posting.php?mode=reply&f=20&t=21595

Let’s only continue the discussion in the original thread.

/mike