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Lead tinning

Nitrogen is used to render inert the surface of a solder bath into which electronic components are dipped to coat the leads with solder.
Nitrogen prevents oxidation of the solder and gives a consistent, smooth coating. The benefits of lead tinning include:

  • reduced icicles and or flags on the ends of leads
  • faster wetting
  • less bridging of leads on fine pitch components
  • more consistent solder coat
  • reduced dross production.