[chbot] SMD packages

[Michael Field]

I've been using the Eagle Library that goes with Seeed Studio's Open 
Parts Library -see http://www.seeedstudio.com/wiki/Open_parts_library

I then order my parts with those that match the package used in the OPL, 
and they are pretty common and inexpensive. I've only been caught out 
once - a low cost LED from Element 14 wasn't really 0603, but slightly 
wider.

It is just a shame that the actual $75 OPL kits 
(http://www.seeedstudio.com/depot/open-parts-library-p-1560.html) aren't 
available at the moment...

Mike


On 1/03/2014 9:21 a.m., Marshland Engineering wrote:
> I started to look for pad sizes
>
> Hmmm not so easy
>
> These are in mm for 0805 for reflow ovens
>
> Vishay  Pad size 1.1x1.4 with a .65 space between pads.
> Tyco     Pad size  1.3x1.2 with a 1 mm between pads
>
> Actual size 1.25x0.5 and 1.1 mm spacing.
>
> So it looks like I best design my own pads as the Tyco one gives me 
> more clearance to run tracks under the component.
>
> Cheers Wallace
>
>
>
>
>
>
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