>> tantalums are polarized. You can use them for your MAX232.
>
> Oh, huh, I've never looked at them that closely.  I'll be darned if
> there's not a little plus sign on them.  Huh. :)  That does explain
> things... :)

The tantalums have built-in reverse polarity indication. If you see a 
red flame ball about 20 cm diameter scorching everything around then it 
means you put it in backwards. The overvoltage indication is similar but 
has a shorter delay.

Peter
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist