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Why isn't there many soldering station that uses a switch-mode converter?
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perieanuo:

--- Quote from: mikeselectricstuff on December 18, 2018, 11:02:22 am ---There was a Youtube comment that suggested that AC is preferable for high temp heating as migration within the element was an issue.
I have no idea how plausible that is at soldering temperatures - any metallurgists here ?

--- End quote ---
In fine, first comment that point why AC is preferred, tip has longer life.


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Benta:

--- Quote from: coppercone2 on December 18, 2018, 01:29:22 pm ---you can add a steel plate to it to weigh it down, or you use a nice steel chassis.

--- End quote ---

Of course you can. But as a transformer is so cheap anyway, why bother? It's just more complication.,
coppercone2:
well with a transformer it would be nice to have a steel chassis anyway since its low frequency and in a electronics lab next to circuits being prototyped.
wraper:

--- Quote from: 001 on December 18, 2018, 07:34:29 am ---SMPS also have a problem with grounding and leakage
It is not good do get about 80V at iron tip
It can kill components

--- End quote ---
Does not matter. All ESD safe stations have grounded tip.
coppercone2:
do you consider that joint between the soldering iron tip and the handle to be good as its frequently thermally cycled and hot oxidizing etc?

I would err on caution with it. There is alot of demand placed on that joint.
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