Soldering Tips/Guides

Soldering Guide(s)

• http://www.circuitrework.com/guides/7-1-1.shtml
• http://store.curiousinventor.com/guides/Surface_Mount_Soldering/101
• http://en.wikipedia.org/wiki/Desoldering
  • http://en.wikipedia.org/wiki/Field%27s_metal

How to solder a wire to a pin	Desolder / Solder 54 PIN RAM Chip
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Soldering tips

• Don't use >40W iron (we are not soldering copper pipes!)
• Don't use leadfree solder (232'C @ SnSb)
• Don't use silverbased solder
• Don't use high tin alloy (e.g. 90/10: 300'C @ 97Sn 3Pb and 250'C @ 65Sn 35Pb)
• Use 60/40 (374'F / 190'C) or 63/37 (364'F / 183'C) both have nice low melting point for PCBs

large list of solder alloys and meltingpoints: http://alasir.com/reference/solder_alloys/