PCB Footprint Libraries ?

Tenson · 15th March 2010, 10:05 PM

Hi

I recently started learning how to design PCBs and using Google found the programs 'TinyCAD' and 'FreePCB'. It seem though that FreePCB comes with a very limited set of packages in the footprint libraries. For example there bare no transformers, or bridge rec's etc..

Where can a get a competent set of footprints to start designing with?

stoc005 · 15th March 2010, 10:17 PM

I use ExpressPCB. It is footprint challenged as well but a new footprint is easy to create. I make sure I'm on a .010 grid and snap is on. .010 works for english or metric (.040~=1mm) components, in most cases.
Both of those should have something that you can start with in the download package. Any bizarre parts.....make your own footprint.

jcx · 15th March 2010, 10:27 PM

if you can deal with the demo/evaluation limitations Eagle has very extensive part libraries

http://www.cadsoftusa.com/freeware.htm

so extensive that KiCad (unlimited, open source) users developed a import function

FAQ - KiCad

marce · 16th March 2010, 12:11 PM

Have a look at the PCBMATRIX site and IPC-7351 standards for footprints.
I would also consider going metric as PCB design is changing from imperial (thousands of an inch) to hard metric.

15th March 2010, 10:05 PM	#1
Tenson diyAudio Member Join Date: Feb 2006 Location: Kent	PCB Footprint Libraries ? Hi I recently started learning how to design PCBs and using Google found the programs 'TinyCAD' and 'FreePCB'. It seem though that FreePCB comes with a very limited set of packages in the footprint libraries. For example there bare no transformers, or bridge rec's etc.. Where can a get a competent set of footprints to start designing with?

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15th March 2010, 10:17 PM	#2
stoc005 diyAudio Member Join Date: Feb 2007 Location: Midwest in the USA	I use ExpressPCB. It is footprint challenged as well but a new footprint is easy to create. I make sure I'm on a .010 grid and snap is on. .010 works for english or metric (.040~=1mm) components, in most cases. Both of those should have something that you can start with in the download package. Any bizarre parts.....make your own footprint.

15th March 2010, 10:27 PM	#3
jcx diyAudio Member Join Date: Feb 2003 Location: ..	if you can deal with the demo/evaluation limitations Eagle has very extensive part libraries http://www.cadsoftusa.com/freeware.htm so extensive that KiCad (unlimited, open source) users developed a import function FAQ - KiCad

16th March 2010, 12:11 PM	#4
marce diyAudio Member Join Date: Jun 2007 Location: Blackburn, Lancs	Have a look at the PCBMATRIX site and IPC-7351 standards for footprints. I would also consider going metric as PCB design is changing from imperial (thousands of an inch) to hard metric.

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