16 YEARS at TechNet? I still feel like "the new guy"!!! onward thru the fog, Jack On Wed, 27 Mar 1996 07:16:59 -0800, Jack Olson <[log in to unmask]> wrote: >[log in to unmask] wrote: >> Due to a "non-existent" clearance between a PWA and a shielded case, >> we would like to have certain components with lead lengths that are >> not long enough to protrude through to the secondary side of the >> board. Thus, there would be no fillet for a solder joint. > >We had a similar situation, but in our case we specified that the leads be >clipped (after soldering), and the fillet ground down to .030 mils. These >boards were for airplanes and had to undergo shock, vibration, environmental >testing etc. NO PROBLEMS. Of course, you said your clearance was >"non-existent", can you spare 30 mils? And by "shielded case" do you mean >conductive? You might have to apply some adhesive KAPTON over the pads after >you grind them, but at least by grinding you have the most lead length, and >strongest solderjoint possible, still much stronger than a SMT connection, >right? > Jack >p.s. I would like to hear what others recommend, though... anybody else? > >