Re: small soldering job

"Paul Olley" <may_2005@xxxxxxxxx> wrote in message
news:1117099066.709625.107540@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> [...] Soldered two diagonally opposite pads before
> doing the rest. (This was the most difficult step,
> to get the alignment exactly right!) [...]

I've had some success with first wetting a corner pad with a bit of solder.
Then, while using the soldering pencil to keep that solder melted, hold the
component with tweezers, place it in the desired location, and finally
remove the soldering pencil.

That works very well on SOIC16 and smaller. I haven't tried soldering
anything with a finer pitch than that, but I don't know why it wouldn't
work.

I have been tempted to try the "toaster oven reflow" technique, but the high
price of solder paste has prevented me. (I suppose it's cheaper in larger
quantities, but last time I looked it was going to cost something like US$65
to purchase the smallest quantity I could find, including the syringe and
the required overnight shipping.) Hand-soldering has proved very easy,
though.


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