![]() Special features of BGA pad SMD pad vs NSMD pad Pad number (number of pads present for the component).This can be rectangle, round, square, or oblong. Pads used to mount surface mount components are called surface mount pads. Pad design for surface mount pads Pad design for through-hole pads Surface mount pads The two types of pads available are through-hole and surface mount pads. Multiple pads in conjunction are used to generate the component footprint or land pattern on the PCB. This makes a pad a significant part of PCB design and development as it serves as the designated surface area for electrical contact between the component and the board.Ī pad is the exposed region of metal on a circuit board that the component lead is soldered to. The quality of a circuit board assembly depends on several factors such as the interface between the board and the components.
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