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Soldering is the metallurgic process used to fix electronic components to a PCB, usually with a tin alloy. Soldering can be done by hand or automatic. PTH boards were usually wave soldered, SMT uses reflow technology.

8 votes
3 answers
45k views

How does power affect soldering irons? Is 30 Watts enough?

Soldering Irons seem to come in different Wattages. I imagined that it was just an indicator of how fast they get hot but might there be other considerations? … How do the different power ratings affect the soldering process and are some power levels more suitable to certain tasks? …
Matthew Brown aka Lord Matt's user avatar
4 votes
2 answers
6k views

How do I tell what sort of solder I have? [duplicate]

My soldering iron came as part of a kit and I have really not used it very much at all in all the years I have had it. (Read zero meaningful uses). I cannot remember who gave it to me or why. …
Matthew Brown aka Lord Matt's user avatar
3 votes
2 answers
24k views

What sort of soldering iron tip do I need for very fine PCB work?

I have a very fine PCB (illustrated in an answer to Soldering with a delicate looking board) but I have discovered that the screwdriver like tip I have seems to be too clumsy to clear solder from so tiny …
Matthew Brown aka Lord Matt's user avatar
2 votes
2 answers
2k views

Soldering with a delicate looking board

The last time I used a soldering iron was over half my life ago and so I figure I have probably forgotten anything useful. …
Matthew Brown aka Lord Matt's user avatar
0 votes
1 answer
5k views

Is there any problem with soldering a charged battery?

Edit #2: The battery has solder tabs on it so according to the answer to Is soldering wires directly on a NiMh battery safe? I should be okay I think? I'm a total newbie so I could still be wrong. …
Matthew Brown aka Lord Matt's user avatar