I think HASL finish is more tolerable than OSP finish in tolerances.
The additional of Sn/Pb or SAC coating on the Cu plating give grease effect
and more contact area at the Press fit pins corners.

Reuven

On Tue, May 24, 2011 at 6:05 PM, Victor Hernandez <
[log in to unmask]> wrote:

> Fellow TechNetters:
>
>   What is the consensus on the use of Press Fit Pins insertion into a final
> surface board finish of OSP or HASL?   Is there a difference in the term
> Press Fit Pins or Compliance Pins?
>
> Victor,
>
>
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-- 

Best Regards,

*Reuven Rokah*

Mobile: 972-52-60-120-18
Tele-fax: 97239360688
<http://www.rokah-technologies.com/>[log in to unmask]
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