Hamilton, Richard -4454 wrote:

> Fellow Technet-er's,
>
> I am looking for information to validate moving from TH to SM. One issue
> that I am having a real tough time with is the trend of component
> pricing, both TH and SM. I know that TH is getting more expensive and SM
> is becoming cheaper, and someday the crosspoint will happen.
>
> Now if I could only find data to validate that theory.
>
> Any comments, suggestions, or input would be greatly appreciated.
>
> Thank you in advance for the help.
>
> Richard Hamilton
> Clemar Mfg
>
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Through hole is still cheaper (albeit very slightly) on most items, however ceramic disc caps are
now available in standard values in surface mount that we have not been able to get the same
value in through hole from anyone.

Also we need a DIP inserter that will insert 28 and 40 pin 0.300" dips and nobody makes DIP
insertion equipment anymore.

Also consider the fact that with finished FR-4 boards costing about 2 to 5 cents a square inch,
for every inch you can save, you are saving 2 to 5 cents.

Also for ESD/EMI surface mount is better due to shorter trace runs and no leads (nice
inductors/antennas for ESD/EMI).

Hope this helps.


Mark Ross
Senior Design Engineer
Whistler Auto-Mation Products Inc.
A Division of the Whistler Corporation Inc.

***My views do not necessarily represent those of my employer***
***My views also do not necessarily represent those of Bill Clinton or Janet Reno
      Yes they do, No they don't, Yes they do, No they don't.  Come see me in
      90 days and Maybe I will appoint an independent counsel to look into exactly
      what my views are

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