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| Reply To: | TechNet E-Mail Forum. |
| Date: | Thu, 23 Jan 2003 08:14:50 -0500 |
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IPC-D-279, Section 3.3.9 and associated diagram, gives some dimensions that should help. For opposite side part placement, allowance has to be made for any tooling used to clinch PTH leads.
Roger M. Stoops, CID
-----Original Message-----
From: Carlr Ray [mailto:[log in to unmask]]
Sent: Wednesday, January 22, 2003 5:15 PM
To: [log in to unmask]
Subject: [TN] IPC Standards for PTH and Bottom SMT Part Clearances
Hello fellow Techneter's,
I have been unable to locate any IPC document (or other standard except
from equipment venders) that indicates adequate clearance for SMT parts
around PTH leads. Any suggestions?
I have sent the standards from my equipment vender but the customer
wants industry spec before spinning a pcb.
Carl Ray
Sr. Manufacturing Engineer
Huntsville, AL 35807
Phone: 256-882-4800 ext. 8845
Cell: 256-990-1990
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