Re: gEDA-user: Looking for footprint of 1808

[hiroshi <hiroshi-atMUNGEDsoupacific_dot_com>]

Thnsk Dan !

Now I will make a footprint and put into my project.

Hiroshi


Dan McMahill wrote:

> hiroshi wrote:
>
>> Is ther anybody wha has footprint of 1808 ?
>> I can not find the sizes.
>> Thanks
>> Hiroshi
>>
>>
>
> From IPC-7351, a nominal condition for a CAPC4520X168N footprint (4.5 
> mm x 2.03mm x 1.68 mm) you'd have
>
> pad X = 2.30 mm
> pad Y = 1.20 mm
> pad spacing = 4.30 mm
>
> If you orient the part with pin 1 on the left and 2 on the right, pad 
> X is the vertical pad dimension and pad Y is the horizontal dimension. 
> pad spacing is the center-to-center spacing.
>
> For CAPC4620X203N (4.57 mm x 2.03 mm x 2.03 mm) they give
> X = 2.50, Y = 1.30, C = 4.30mm
>
> You can download the land pattern viewer from www.pcblibraries.com. 
> It's a good source for figuring out good sizes.
>
> Hope this helps.
>
> -Dan
>
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