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Re: SMD Components

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  • integrodev
    Thank you a lot Manifold :) Best regards, Refa ... board ... and ... iron. ... parts. ... Probably ... much ... solutions
    Message 1 of 3 , Aug 1, 2003
      Thank you a lot Manifold :)

      Best regards,

      --- 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
      > earlier.
      > 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
      > you
      > > have just old irons. I heard a paste exists and you put it and
      > after
      > > 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
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