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Series Diode SOT23 Pin Naming

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acmenet View Drop Down
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    Posted: 12 Mar 2015 at 6:13am

Hi,

We use the _EBC   and _GSD to name our SOT23 transistor, and is incorported into the IPC name.

How do we achieve the same with series SOT23 diodes, where we have for example:
 
Anode - Anode/Cathode - Anode

or Anode - Cathode/Anode - Cathode

we don't want to use pin numbering as e have had infinite problems in the past using numbing methods

Look forward to an answer ( sorry if this one has been asked before)

Cheers

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Tom H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 2015 at 6:18am
I recommend this Footprint Naming Convention because you will never get it wrong -
 
MfrName_MfrPartNumber
 
That is the footprint naming convention for all connectors and special unique packages.
 
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acmenet View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote acmenet Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 2015 at 7:15am
Well was hoping to have less long winded way of doing it, but if that they way to go who am I to argue. Big smile


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 2015 at 7:23am
It's really the universal Footprint Naming Convention of the future.
 
Component manufacturer's are creating unique packages that do not fall within the IPC-7351 Naming Convention.
 
So half your library footprint name are IPC-7351 and half are MfrName_MfrPartNumber
 
Eventually, the Unique Packages will out number the Standard Packages and the IPC-7351 naming convention will fade away. It's already starting to fall apart even with Standard Packages.
 
If 2, 3 or 4 standard packages have the same identical dimensions but their tolerances are all different, you will end up with different footprints with the same IPC-7351 footprint name.
 
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