In electronics, through-hole technology (also spelled "thru-hole") is a manufacturing scheme in which leads on the components are inserted through holes drilled in printed circuit boards (PCB) and soldered to pads on the opposite side, either by manual assembly (hand placement) or by the use of automated insertion mount machines. == History == Through-hole technology almost completely replaced earlier electronics assembly techniques such as point-to-point construction.
In electronics, through-hole technology (also spelled "thru-hole") is a manufacturing scheme in which leads on the components are inserted through holes drilled in printed circuit boards (PCB) and soldered to pads on the opposite side, either by manual assembly (hand placement) or by the use of automated insertion mount machines. == History == Through-hole technology almost completely replaced earlier electronics assembly techniques such as point-to-point construction.
Source: Wikipedia "Through-hole technology" · CC BY-SA 4.0
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