So am I,

0.2 mm + diagonal

0.3 mm + finished ID


Best  Regards

ROKAH Reuven




                      Brian Ellis
                      <b_ellis@PROTONI         To:      [log in to unmask]
                      QUE.COM>                 cc:
                      Sent by: TechNet         Subject: Re: [TN] Finished Hole Size vs Lead diameter
                      <[log in to unmask]
                      >


                      29/03/2004 17:34
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I don't know about a document, but I always used a rule of thumb, of 0.2
to 0.3 mm ID, after plating, greater than the diagonal or diameter of
the lead. FWIW.

Brian

Victor G. Hernandez wrote:

> Fellow TechNetters,
>
>     Can someone guide me to an IPC document that make reference to
> Finish Hole Size
> versus lead acceptable lead diameter with respect to ROUND, RECTANGULAR
> and SQUARE
> Leads.   I have a case in which the square lead deformed the PTH and
> minimal solder
> fillet is exhibited inside the barrel.   At least in my opinion.
>
> In advance I thank you for your timely response in this matter.
>
> Victor,
>
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