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Author Topic: Desoldering  (Read 1645 times)

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Sectorseven

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Desoldering
« on: May 30, 2010, 11:23:42 am »
What is the highest wattage soldering iron to use for desoldering caps on a monitor chassis? I've read that 15w is the most you really want to apply to a circuit board (12 is really ideal), but it just doesn't feel like enough to remove old solder.

Slippyblade

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Re: Desoldering
« Reply #1 on: May 30, 2010, 07:48:04 pm »
I use a 25 watt iron for most things.  Keep in mind though that a well tinned iron will melt solder quicker and more effectively than a higher watt iron with a crap tinning job.  Has to do with effectively transferring the heat to the leads of the components.

BobA

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Re: Desoldering
« Reply #2 on: May 31, 2010, 03:02:20 pm »
When desoldering a bit of solder wick (copper braid) works wonders.   Just press it to the joint with your soldering iron on top and it will suck up the solder like a sponge. A 25 watt iron should be fine when using the Solder Wick.

Solder Wick
« Last Edit: May 31, 2010, 03:04:19 pm by BobA »

Sectorseven

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Re: Desoldering
« Reply #3 on: June 01, 2010, 11:02:22 am »
I tried the wick with a 15w iron, it was a very slow process. It seemed I could barely get the solder heated up and when I did, the wick would only take a tiny spec of the solder. I might try one of those solder sucker things.

HaRuMaN

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Re: Desoldering
« Reply #4 on: June 01, 2010, 11:11:46 am »
I do tons of soldering / de-soldering.  Use a 15 watt iron and a solder sucker.  Forget the braid.