Through-Hole Assembly

Through-hole technology (also spelled "thru-hole"), refers to the mounting scheme used for electronic components that involve the use of leads on the components that are inserted into holes drilled in printed circuit boards (PCB) and soldered to pads on the opposite side either by the manual assembly (hand placement) or by the use of automated insertion mount machines.The quality of the solder joint is important for several reasons. The solder joint is the actual connection between the component...

SMT technique electronic components solder joint thru-hole

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