We use a 3 digit prefix to describe what the item is.  For example:

825-?: PC Board Assembly
213-?: Bare PC Board
670-?: Schematic

My regards,
Steve Smith
Project Engineer
Staco Energy Products Co.
"Your tailored power solutions provider"



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-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of William Noel
Sent: Thursday, June 28, 2012 5:53 AM
To: [log in to unmask]
Subject: [TN] Board design numbering schemes

Hello - I am currently working with a small start-up on getting their numerous board designs configured.  I have been stressing the importance of numbering their board designs with a numbering scheme of some type (schematic: "Dwg number - AANNN-NN"  pcb: "Dwg number - AANNN-NN"  pcb assy: "Dwg number - AANNN-NN"  parts list: "Dwg number - AANNN-NN")  I have always preferred "non-intelligent" schemes but I've seen alot of companies tend to build some intelligence into their schemes.  Does anyone have any suggestions on numbering schemes?  I've reviewed IPC-D-325 but their doesn't appear to be any suggestions in there.  Thanks in advance for any help.

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