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L huh?

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SteveD View Drop Down
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    Posted: 18 Dec 2014 at 3:03pm
I'm confused about the library naming convention for those auto generated footprint names.  When I spec a lead length of .4 to .7 mm it generates a name that ends in L30.  Why not L55 as I told it in the nominal column.  Sometimes it comes out as expected - just enough to make one superstitious.

Reading the naming convention sheet, it says this is where the environment goes.   I don't see anything in the environment that would suggest L30.

Is this a bug or my misunderstanding?
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Tom H View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 18 Dec 2014 at 3:06pm

L30 = the Lead Tolerance

The Nominal Lead Length may be the same but it's the Tolerance that makes the pad longer or shorter.

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