8
votes
1answer
238 views

What are the advantages of larger SMD pads at the ends of a SOIC land pattern?

I was looking at this NXP TSSOP8 footprint and was wondering why the end pads were 0.600 mm, and the non-end pads were 0.450 mm. What advantages does this have?
3
votes
4answers
4k views

Footprints for SMD electrolytic capacitors

Does Altium Designer Summer 09 has footprints for SMD electrolytic capacitors? If so, where can I find them? I've noticed the dimensions of these type of capacitors are given in diameter x height. ...
10
votes
2answers
3k views

The “right” 0805 footprint land pattern

My PCB design software comes with some libraries that include some common components, like chip resistors and capacitors. I have noticed, however, that the footprint land pattern for the 0805 ...