Thank you a lot Manifold :)
--- In Electronics_101@yahoogroups.com
, "manifold" <manifold_1@y...>
> You do not need paste to hand solder a SMD. Solder paste is used in
> the manufacture of PCB's. The paste is silk screened on to the
> component pads where each component is placed. Then the entire
> goes through a special heat cycle that melts all the solder at once.
> Hand rework of SMD board just requires a good iron, a steady hand
> lots of practice. Here are some tips that I find useful:
> Use a fine gauge solder and a temperature controlled soldering
> Do not use a super fine or super long soldering iron tip. It takes
> too long for heat to move through them. Use a small (1/16" - 1/8")
> blunt screwdriver tip instead. Use sturdy tweezers to hold the
> Use the back, sticky side, of a post-it(tm) note to keep parts from
> blowing off your work space.
> Here is a quick procedure:
> Put a tiny bit of solder on the PCB pad of the component to be
> soldered. Position the part and heat the pad and component lead so
> that it "tacks" the component down at one lead position. Now solder
> all the other leads. Go back and clean up the "tack" joint made
> Once you get the hang of it it's a lot easier and faster than
> soldering leaded parts. Of course there are a lot more parts on
> boards now too.
> --- In Electronics_101@yahoogroups.com, "integrodev"
> <integrodev@y...> wrote:
> > Dear group,
> > I have a question for those who work with SMD components.
> > many of you use hot air soldering stations but what do you do if
> > have just old irons. I heard a paste exists and you put it and
> > some minutes it leads current normaly? Can anybody tell me how
> > these pastes cost and where I can find them? Give me some
> > how your solder senstive SMDs. Thank you
> > Best regards,
> > Refa