For Cases, pads, etc., you can also refere to: New Surface Mount Design and Land Pattern Standard The "official" text for device farms.
ciao Carlo, I2GOQ --- Mer 12/5/10, Lorenzo <lomar...@tin.it> ha scritto: Da: Lorenzo <lomar...@tin.it> Oggetto: [kicad-users] Re: Module Library madness A: kicad-users@yahoogroups.com Data: Mercoledì 12 maggio 2010, 18:19 > pcb-fpw is open source, so it would be possible to modify add it to the kicad > suite .. seems to be > written in java-bloat.. No, it's buggy plain C with GTK :P It actually contains a lot of hardwired size, too:P > The separate names for a cap and resistor 0805 package is silly Actually it isn't... a ceramic cap has round plating, a chip resistor is an attached foil... I presume the mechanical properties are different (indeed the pads are different, too) > The M,N,and L are for most, Nominal and least -- describes most compromises > folks would run into.. You forgot Proportional for THT, too... and the Nominal one is good for 90% of the production projects, IMHO... > One thing to point out is these case sizes originate in metric - the imperial > notation is approximate. *Most* case size originate in metric:D