Jeff Walther wrote:
Date: Sat, 7
May 2011 19:43:10 +0100 (BST)
From: ard at p850ug1.demon.co.uk (Tony Duell)
of those
pumps for sucking out the molten solder. I also have 2mm solder
wick (braid?).
I seem to have removed most of the solder from two of the pins, mostly
with the pump, the solder wick just does not seem to pick up any
solder not
Thats what I tend to find too. I much prefer the solder sucker (pump).
I have had similar experiences with several brands of desolder braid/wick
but I have also found that the Chemtronics brand always works well for me.
Unfortunately, I have not been able to find it anywhere local and always
must order it from Digi-Key.
I suspect it is simply a matter of being impregnated with flux, but I'm
not certain.
Jeff Walther
I've tried the solder wick, but keep going back to my Soldapullt full
size pump. I've tried the cheap Chinese copies - they break after only a
few dozen uses. My Soldapullts last around ten or so years of almost
daily use - thousands of IC socket pins...
http://www.edsyn.com/index.php?Mode=piw&pn=AS196 (the real one!)
The trick to using these suckers is to NEVER let the desoldering tip
touch the soldering iron tip. Hold it at around a 45 degree angle and on
the opposite side and about 2mm (1/8") away from the tip. When you
release the pump it jumps somewhat and if too close or touching the
soldering iron tip it can punch the tip into the PCB and knock the trace
loose.
John :-#)#
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