Parts of a Soldering Iron


Soldering irons differ in size, power and features. But most have the same basic parts, including the base, cord, handle, heating element and tip.


  • Soldering irons with automatic heat controls have a base that plugs into the wall and controls the current to the iron. Some bases include a holder and a sponge to clean the tip.


  • Electric soldering irons have a cord that either plugs into the wall or into a base for heat control. The cord on a soldering iron used with a base cannot be plugged into a wall socket.


  • Handles vary in size and materials, depending mainly on how hot the iron gets. The handle must insulate the operator from heat so that he can work comfortably.

Heating Element

  • The heating element, usually rated in watts, must heat the tip sufficiently to melt the solder. A higher wattage heating element heats a larger tip.


  • The soldering iron tip comes in many sizes and shapes, from a pin point for precision soldering to a wider tip for larger wires. The tip must be appropriate for your soldering job.

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  • Photo Credit Image by, courtesy of Windell Oskay
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