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ketan View Drop Down
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Joined: 29 Sep 2012
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ketan Quote  Post ReplyReply Direct Link To This Post Topic: Footprint Libraries
    Posted: 29 Sep 2012 at 9:16am
Hi,
 
I need footprints for all the general componants like through-hole resistors for 1/4W, 1/2W, 1W and 5W and capacitors 10UF, 100UF, 1000UF Radial Lead and DIP package IC's and general commonly used audio amplifier IC's like TDA 2030.
 
Can someone please share these footprints?  It will be very much helpful to me and many other people I feel.
 
Thanking all of you in advance.
 
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Tom H View Drop Down
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Joined: 05 Jan 2012
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Points: 5718 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 29 Sep 2012 at 9:28am
I take for granted that you use OrCAD Layout.
 
We can help provide you 10's of thousands of library parts for OrCAD Layout using the PCB Footprint Expert. Download it here for free - www.pcblibraries.com
 
Install it and start building OrCAD Layout library parts.
 
 
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budnoel View Drop Down
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Points: 17 		Post Options Post Options   Thanks (0) Thanks(0)   Quote budnoel Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2013 at 6:53am
Hello - What is the recommended symbol origin for connectors?  I've been using pin 1 for both SMT and PTH.  Our engineers would prefer body center for the SMT but some of our connectors are difficult to determine where the body center is located.  I've included an example.
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Tom H View Drop Down
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Points: 5718 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2013 at 7:32am
Pin 1 is the most common 1st.
 
In the middle of a single row is 2nd.
 
In the component body center is 3rd.
 
The new "Package Designer" coming out this weekend in V2013 allows you to create the above footprint in a snap and you can relocate the origin anywhere you like.
 
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ketan View Drop Down
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Joined: 29 Sep 2012
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ketan Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2013 at 8:18am
Thanks Tom,
 
Let's see how it helps me. I am using ORCAD Layout and if something helping for making footprints its good I'm downloading the demo software from your website and let's see how its useful I will  post my experience here.
 
Thanks again!
 
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jameshead View Drop Down
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Joined: 20 Mar 2012
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Points: 576 		Post Options Post Options   Thanks (1) Thanks(1)   Quote jameshead Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2013 at 9:06am
If it's a surface-mount connector then I'll always put the footprint origin in the centre-of-body.

If it's a through-hole connector then I look at the connector type and what it's going to be connected to.

If it's going to be a board-to-board connector then usually I will go for the centre-of-body since it makes things more straight forward when positioning opposing connectors on different boards.

If it's a screw terminal or wire-to-board connector then I will go for pin 1.

I find it useful sometimes when I put the origin on pin 1 to also put a marker on the "placement layer" (or what a PADS user would call layer 20) for the centre-of-body of the component as well - but make it visibly different from the normal component origin marker - to give me something to pick up on "snap" and place at a specific position.  Since I work on a metric grid it helps with components with connections on a 2.54mm pitch, on those "grey-area" components that may end up being board-to-board in some cases.
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Tom H View Drop Down
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Points: 5718 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2013 at 12:27pm
Our PCB Footprint Expert "Lite" has an interface to OrCAD Layout.
 
Check it out and let us know how it works for you. We take suggestions for improvements even from those who never purchase from us.
 
Here are the import instructions -
 
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sundar View Drop Down
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Points: 14 		Post Options Post Options   Thanks (0) Thanks(0)   Quote sundar Quote  Post ReplyReply Direct Link To This Post Posted: 09 Sep 2013 at 10:10pm
I need footprint for QFN 56 pin 8X8mm 0.5 pitch
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Nick B View Drop Down
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Points: 1908 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Nick B Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 2013 at 1:21pm
Have you tried the Library Expert Lite? It's available from our main webpage, or via the Download link at the top (banner).
 
Nick
 
Stay connected - follow us! X - LinkedIn
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saravananjsrs View Drop Down
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Points: 1 		Post Options Post Options   Thanks (0) Thanks(0)   Quote saravananjsrs Quote  Post ReplyReply Direct Link To This Post Posted: 19 Dec 2013 at 8:17am
please sent all tda ic st microelectronics foot prints including tda7483,tda7560 and KIA6210
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