On Sat, Mar 10, 2012 at 7:16 AM, Werner Almesberger <wer...@almesberger.net>wrote:
> > > 3) item 44, 120uF. current it's in dia. 5.00mm, too bigger for routing. > > And a bit too tall for mounting under the PCB ;-) Hmm, tricky. There's > a tantalum cap that's only a bit more expensive but a lot smaller: > Yeah, a bit tall. Sizes in bigger 5.30mm x 5.30mm. > > http://search.digikey.com/us/en/products/F930J157KBA/493-4112-1-ND/2529839 > > Unfortunately its ESR of 900 mOhm is a bit nasty. yeah. > This one is 50% more > expensive but has a nicer ESR of 70 mOhm: > > > http://search.digikey.com/us/en/products/T520B157M006ATE070/399-4732-1-ND/1001103 I'd prefer to go for this. Smaller size in 3.50mm x 2.80mm and less few cents. > > > And for a few extra cents, you get 45 mOhm: > > > http://search.digikey.com/us/en/products/T520B157M006ATE045/399-4733-1-ND/1001104 yeah, good spec but extras. So four capacitors: C259, C260, C267, C269 changed to Tantalum Cap 150uF, 70.0 mOhm. Agreed ? - adam
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