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January 2000

DesignerCouncil@IPC.ORG

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Subject:
From:
Jack Olson <[log in to unmask]>
Reply To:
DesignerCouncil E-Mail Forum.
Date:
Mon, 10 Jan 2000 10:22:12 -0800
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Something I overheard this morning got me wondering...

Have any of you been around long enough to know why a diode would have a
designator of CR? What does the CR mean?

What does the U mean on an Integrated Circuit?

Is the K on relays arbitrary since R is used by resistors?

Does anyone really use P anymore for plugs?
(everything I've seen lately is J on connectors, no matter if it is a socket
or a plug)

What do you use for submodules or subassemblies?

Not really important, I was just curious....

Jack

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