Hi all
I've "always" just used the "standard" crystal package that we all know
and love(?), you know, the oval-ish can with the two legs.  But the board
I'm designing (for the 4th time) is a bit limited in space, so I'm
investigating smaller options.

I've come across on alibaba some SMD crystals of various sizes; is there a
limit to how small you can go?

I'm using a PIC24FJ64, intending running a 20MHz oscillator.  I've found
for example 2025 packages, which seems extremely small, other 3225
packages, 5032 packages...  is there such a thing as too small, as in it
won't work with the PIC?  I'd probably be happy enough with 5032, that's
roughly half the size of my current through-hole can.

Anything to watch out for when using these, design considerations,
capacitor values (currently 22pF)...?

Any input appreciated
Thanks
Lee

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