The manufacturer's data sheet for the part should specify both the cross-sectional dimension of the lead and the optimum hole size.

I'm sure someone actually has a formula, though.

Jay DeKing
EMA Mid-Atlantic, Inc.
(716)334-2970 voice
(716)334-3481 fax
[log in to unmask]

-----Original Message-----
From:   Walton, Jim [SMTP:[log in to unmask]]
Sent:   Tuesday, March 24, 1998 4:24 PM
To:     [log in to unmask]
Subject:        [DC] Press-fit connectors

Hi All !
What is a good formula for determining finished, plated, hole dia.for
square PRESS-FIT pins on "molex" headers?

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