this doesn't show component count of each type which is what started this thread and which is a cost driver for assembly rather than bare bd fab
Dennis Saputelli Tony Karavidas wrote: > > I agree with you. It's just to get them close either with stuffing the > board, or making the PCB. > > Who cares if a surface mount part has a couple through hole alignment holes? > They are holes nevertheless and require drilling, so they need to be counted > as through holes. > > Here's a sample from one of my recent boards. I consider this to have > 6+(750-608)+190=338 "through holes" and 608 SMT pads. 6 of the through hole > pads are not plated. What's the big deal? > > Layer Pair Vias > ---------------------------------------- > Top Layer - Bottom Layer 190 > ---------------------------------------- > Total 190 > > Non-Plated Hole Size Pads Vias > ---------------------------------------- > 125mil (3.175mm) 6 0 > ---------------------------------------- > Total 6 0 > > Plated Hole Size Pads Vias > ---------------------------------------- > 0mil (0mm) 608 0 > 28mil (0.7112mm) 25 190 > 32mil (0.8128mm) 6 0 > 35mil (0.889mm) 24 0 > 40mil (1.016mm) 30 0 > 43mil (1.0922mm) 19 0 > 60mil (1.524mm) 4 0 > 80mil (2.032mm) 18 0 > 90mil (2.286mm) 16 0 > ---------------------------------------- > Total 750 190 > > -----Original Message----- > From: Steve Wiseman [mailto:[EMAIL PROTECTED] > Sent: Wednesday, November 19, 2003 3:08 PM > To: Protel EDA Forum > Subject: Re: [PEDA] Utility to count SMD/Through-hole components > > 19/11/2003 21:45:18, Abd ul-Rahman Lomax <[EMAIL PROTECTED]> wrote: > > >However, another, perhaps more practical and safer alternative > would be to > >generate three lists: SMT, through-hole, and possibly mixed. > The large > >majority of components would orginarily not be ambiguous. > > Since this is all to generate a highly suspect quote from a board- stuffing > shop, such care is almost certainly wasted. I can't believe that a quote > based on a QFP being costed the same as an 0805 is anything but budgetary... > > Sounds to me like sorting the BOM based on footprint will get the answer as > accurately as is needed for this... > > Steve -- Dennis Saputelli ========= send only plain text please! - no HTML ========== _______________________________________________________________________ Integrated Controls, Inc. www.integratedcontrolsinc.com 2851 21st Street tel: 415-647-0480 San Francisco, CA 94110 fax: 415-647-3003 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[EMAIL PROTECTED] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
