this post was submitted on 23 Nov 2025
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What's a good high wattage soldering iron? (lemmy.world)
submitted 4 days ago by PriorityMotif@lemmy.world to c/askelectronics@discuss.tchncs.de
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I'm always struggling to desolder high heat circuit boards like pc motherboards because they used high heat solder. Sometimes I can get it hot enough that I can mix in some lower temp solder but it's always a pain. I've also used my rework hot air at 500* plus the soldering iron at 500* and gotten it, but that's a pain as I only have two hands. Right now I'm replacing the Nec/Tonkin caps on a ps3. Fortunately removal is simple with a chisel, but getting the pads ready for soldering is a huge pita.

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[–] cmnybo@discuss.tchncs.de 7 points 4 days ago

For multi layer PCBs like motherboards, you want a PCB preheater in addition to a good soldering iron. The ground and power planes will take a lot of heat. If they are already warm, they will need less heat from the soldering iron.