this post was submitted on 15 Jun 2024
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Nah. Multilayer boards and smd stuff with tiny little plastic parts need leaded to safely desolder and clean up.
If you’re talking about through hole and some larger pitch smd soldering then yeah, you can get away with lead free especially in paste form.
skill issue
Maybe. I’ve never seen anyone do rework or replacement of fine pitch connectors with shrouded leads on big multilayer boards like video cards and stuff without low melt.
A factory I worked at would sometimes place replacement components on masked pads and run the assembly through the heater again, but that’s uh, not recommended for a lot of parts now…