The Perfect Solder Joint, Simplified

Summary based on an original article by Alpha Assembly Solutions.

When it comes to mastering the soldering iron, practice makes perfect – but you can move the process along by following five simple steps to ensure a perfect solder joint.

  1. Examine the iron temperature using a thermostat, or use a soldering iron with fixed temperature settings.
  2. Tin your soldering iron tip to avoid the risk of burning it.
  3. Apply a small amount of solder to the iron and preheat the joint.
  4. Allow solder to flow to the joint as you continue to apply heat with the iron.
  5. Using a pair of diagonal cutters, trim any lead close to the board.
 

Download Original Document