Naming Convention for PTH Headers

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   I found duplicate names in PTH connectors using the Footprint Naming Convention.

The W identifier does not distinguish between circular or square Lead Shape, this create the same footprint name for different connectors; eg, 
HDRV2W65P254_2X1_508X254H945 could have:
- a 0.65mm square lead shape and hole of 1.12mm, or 
- a 0.65mm circular lead shape and hole of 0.85mm

   It would be interesting to specify the Lead Shape in W identifier?

 Thank you very much.

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vgalindo Members Profile Send Private Message Find Members Posts Add to Buddy List New User Joined: 16 Mar 2015 Status: Offline Points: 4	Post Options Post Reply Quote vgalindo Report Post Thanks(0) Quote Reply Topic: Naming Convention for PTH Headers Posted: 30 Apr 2015 at 12:35am
	I found duplicate names in PTH connectors using the Footprint Naming Convention. The W identifier does not distinguish between circular or square Lead Shape, this create the same footprint name for different connectors; eg, HDRV2W65P254_2X1_508X254H945 could have: - a 0.65mm square lead shape and hole of 1.12mm, or - a 0.65mm circular lead shape and hole of 0.85mm It would be interesting to specify the Lead Shape in W identifier? Thank you very much.



Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 05 Jan 2012 Location: San Diego, CA Status: Online Points: 5954	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 30 Apr 2015 at 5:13am
	Please start using the new IPC-7351C Footprint Naming Convention for all connectors. MfrName_MfrPartNumber
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Mattylad Members Profile Send Private Message Find Members Posts Add to Buddy List Advanced User Joined: 02 Jun 2012 Location: Lancashire UK Status: Offline Points: 152	Post Options Post Reply Quote Mattylad Report Post Thanks(0) Quote Reply Posted: 15 May 2015 at 1:15pm
	Has C been released\published yet?

Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 05 Jan 2012 Location: San Diego, CA Status: Online Points: 5954	Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 15 May 2015 at 1:32pm
	IPC-7351C is deep in development. Our next meeting is Monday morning. It will go out to the entire 1-13 Land Pattern sub-committee next week for review and feedback. It will go through final Executive Committee approval in September at SMTA in Rosemont, IL and then head out for 30-day ballot vote with the 1-13 Land Pattern sub-committee. Then the new Guideline will go into type setting for first article proof and then in February 2016 production should begin. The IPC-7351C Guideline is 90% written but the last 10% will take a couple months and the evaluation and editing / approval phase also takes a couple months. Voting could take 90 days if it doesn't pass on the 1st vote.
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