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Old 02-28-2006, 05:16 PM   #1
Chris1992
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Default Standardised PCB labelling?

I know a bit of the standardised PCB labelling letters (C is capacitor, L is inductor, U is IC) but does anyone know where I can find a more complete listing? Thanks
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Old 03-08-2006, 11:26 AM   #2
AK0R
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Default Re: Standardised PCB labelling?

The component labels are more properly called reference designators. The base standard is ANSI Y32.16-1975 (reaffirmed 1989). This was the basis for IEEE STD 315-1975 (reaffirmed 1988). Because these are not easy to find, the following link has all the relevant information:

http://www.aqeds.com/support/rot/rot_ref_des.asp

Note that this does not prevent manufacturers from creating their own RefIDs based on the standard (e.g., Abit's use of EC for electrolytic capacitors).
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