Re: [PEDA] TO-263 and TO-220 footprints?

[Hamid Wasti]

John A. Ross [Design] wrote:
Personally I never liked to use footprints I have not optimised for the
process they will go through, but that's me. 

Actually, let me put it a different way: Can you afford to use a 
footprint out of a library?  If the footprint is incorrect, you can 
easily loose several thousand dollars in having to turn the board, not 
to mention the market cost of the delay.

I have been there, done that, got burned to the tune of over $10K by a 
bad footprint in the Protel library back in version 2.8 days.  Since 
then, I have never used a single footprint that I did not design myself. 
It is just as quick to design it yourself as it is to take someone 
else's footprint and check it thoroughly.

Hamid

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