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

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