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Electronics Forum / CAD / August 2005Surface Mount Outlines
I am in the process of creating an AutoCAD library of SMT components. Can anyone point me to a good source of outline drawings with dimensions (including pads) that I can use as a reference? Better yet, does anyone know of a source, preferrably free, of AutoCAD blocks of SMT components? Thanks in Advance >I am in the process of creating an AutoCAD library of SMT components. Can > anyone point me to a good source of outline drawings with dimensions > (including pads) that I can use as a reference? Better yet, does anyone > know of a source, preferrably free, of AutoCAD blocks of SMT components? > > Thanks in Advance Google 'IPC-7351' Dave > I am in the process of creating an AutoCAD library of SMT components. Can > anyone point me to a good source of outline drawings with dimensions > (including pads) that I can use as a reference? Better yet, does anyone > know of a source, preferrably free, of AutoCAD blocks of SMT components? > > Thanks in Advance rip em from a library in a circuit cad program, eagle has a whole lotta smt layouts in the free version, just go into the editor and export, or go by coordinates and manual copy.  SignatureUsing Opera's revolutionary e-mail client: http://www.opera.com/mail/ Hello Jim, > rip em from a library in a circuit cad program, eagle has a whole lotta > smt layouts in the free version, just go into the editor and export, or > go by coordinates and manual copy. But I suggest to still verify them against manufacturer data sheets. Eagle libraries are AFAIK gathered in a voluntary contribution fashion so there could be inconsistencies. Data sheets almost always contain the recommended foot prints and then you have a company like TI or National behind that recommendation. Regards, Joerg http://www.analogconsultants.com > Hello Jim, > [quoted text clipped - 9 lines] > > Regards, Joerg eagle is a good source, not of neccessity a great one, it'll be accurate most of the time, and besides, a good source was asked for. SignatureUsing Opera's revolutionary e-mail client: http://www.opera.com/mail/ > Hello Jim, > [quoted text clipped - 7 lines] > recommended foot prints and then you have a company like TI or National > behind that recommendation. Wrong. Eagle libraries are made by a full-time employee at CadSoft (the Librarian) who does nothing else but make footprints. >> Hello Jim, >> [quoted text clipped - 12 lines] > Wrong. Eagle libraries are made by a full-time employee at CadSoft (the > Librarian) who does nothing else but make footprints. yeh, i forgot about that, one of the dudes that makes em showed up on the cadsot news server a ew times. SignatureUsing Opera's revolutionary e-mail client: http://www.opera.com/mail/ Hello Henk, >>But I suggest to still verify them against manufacturer data sheets. >>Eagle libraries are AFAIK gathered in a voluntary contribution fashion [quoted text clipped - 4 lines] > Wrong. Eagle libraries are made by a full-time employee at CadSoft (the > Librarian) who does nothing else but make footprints. Sorry, but that is not so. Take a look at who the authors are: http://www.cadsoft.de/cgi-bin/download.pl?page=/home/cadsoft/html_public/downloa d.htm.en&dir=pub/userfiles/libraries Regards, Joerg http://www.analogconsultants.com |
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