The IPC standard takes the IEEE 315-1975 as the baseline. That's the
earliest source I know of which clearly calls for DS.
In the past I have used D, LD, LED.
On Thu, Aug 1, 2013 at 9:15 AM, Gebhardt, Bill <[log in to unmask]>wrote:
> Referring to IPC-2612-1, Appendix A: DS is for display, lamp or light
> emitting diode.
>
> Best regards,
>
> B-)
>
> Bill Gebhardt, C.I.D. +
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> -----Original Message-----
> From: DesignerCouncil [mailto:[log in to unmask]] On Behalf Of Jack
> Olson
> Sent: Thursday, August 01, 2013 8:34 AM
> To: [log in to unmask]
> Subject: [DC] Informal Poll
>
> Just out of curiosity, what Reference Designator (or "Class Designation
> Letter", for you purists!) are you using for an *LED*?
>
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