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Re: gEDA-user: PCB lib.



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From: Stephen Meier <smeier@MeierRippin.com>

IPC-SM-782A is 228 pages. It does contain documentation for TS-005 which 
is what "I think"  TO-263 has been renamed as.
Chad Robinson wrote:

> Stephen Meier wrote:
>
>> There is a document. I have a copy. But it is copyrighted and sold at 
>> http://www.ipc.org/ for $150.00
>>
>>
>> IPC-SM-782A "Surface Mount Design and Land Pattern Standard"
>
>
> How many elements does it describe? Is it a general standard that 
> describes land patterns for N-size components (e.g. for a 0.8 pitch 
> quad, this is what it should look like regardless of pin count) or 
> does it describe every component in detail?
>
> Frankly, I'm not sure it's worth the effort. What does everybody else 
> do regularly? Personally I spend a lot of time dealing with custom 
> components, like Hirose PCB connectors, special crystal/resonator 
> packages, etc. In Circuitmaker I have a library of dozens of these 
> things that I've put together over the years, that I'd be happy to 
> contribute. What I CAN'T stomach is making the footprints that I 
> haven't had to make, like the TO-263. Am I just not looking in the 
> right spot?
>
> Regards,
> Chad
>
>