THT (Through-Hole Technology) is a traditional method of mounting electronic components on printed circuit boards (PCBs). In THT technology, components are mounted in holes in the PCB and then soldered.
With the development of SMT (Surface Mount Technology), in recent years THT technology has become less common, as SMT offers advantages such as smaller component size, better performance, and lower cost. However, in many applications, THT still remains a relevant and preferred mounting method.
After all components are mounted, soldering is performed. This can be done manually or using wave or selective soldering machines. Soldering consists of the thermal connection between the component leads and the solder surfaces on the PCB.
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