Electric soldering iron is a necessary tool for electronic production and electrical maintenance. The main purpose is to weld the components and wires. According to the structure, it can be divided into internal heating type electric iron and external heating type electric iron. According to the function, it can be divided into welding electric soldering iron and suction tin. Electric soldering iron is divided into high-power electric soldering iron and low-power electric soldering iron according to different purposes. The internal heat type soldering iron is small in size and inexpensive. General electronic production uses 20W-30W internal heat type soldering iron. Of course, there is a 50W external heating soldering iron that can be prepared. The internal heating type soldering iron has high heat generation efficiency, and it is also convenient to replace the soldering iron tip.
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