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What kind of solder to get? Answered

I am just starting out in electronics and am wondering what kind of solder to get for my projects.Thanks.

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-max-

3 years ago

60/40 leaded solder. Do not get stuff that is too thick. 1.5mm thick at the most. Radio Shack carries a small spool of solder that works well, it is what I have always used.

Don't use the type of solder used for plumbing. It is lead free, which is no good, and it has acidic flux which is problematic for electronic stuff, and is WAYY to thick, and my experience with thick 1/4 inch solder is that it takes forever to heat up melt with an small iron, and impossible to get just the right amount on small joints, because once it does melt, it blobs up on the tip of the iron or on the part, and all the flux or rosin inside boils away before the solder melts, so it does not reflow well at all.

Skip to 10:08 to see his recomendation for solder.

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Jack A Lopez

3 years ago

I like Sn60Pb40, with rosin core, and diameter~=1.5mm~= 0.06 inch. Although that diameter is kind of fat. I think they make the same thing, but with a diameter of only 0.6 mm ~= 0.02 inch, and the thin stuff is more convenient for soldiering itsy-bitsy, tiny things.

I remember long ago, in what seems like a former life, I used to buy the 1.5 mm ~= 0.06 inch diameter stuff from RadioShack(r), and I think it was the only kind of solder they sold.

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iceng

3 years ago

About Solder

Hospitals, the military and I all Hate lead free solder it cracks, it ages,
it is hard to tin a tip, it is Bad News.
Avoid it unless you have to sell to government protected abused consumers.

I have been using tin-lead solder over 48 say 50 years and
a few politicians have not made me ill or lead poisoned me in any way..

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steveastroukiceng

Answer 3 years ago

+1 60-40 is the best stuff.

We manufactured several million dollars worth of instruments in 30 years. We used less than a car battery worth of solder in 30 years.

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Downunder35m

3 years ago

Depends on what you want to solder and your level of skill.

These days standard 3mm electronic solder with a resin core is a good start.

Thinner only for SMD electronics, thicker for tinny big wires or for working on bigger parts.