Footprint (electronics)

Populated (rear) and unpopulated (front) TSOP land patterns on a printed circuit board.

A row of through-holes acting as the footprint for a pin header.

A footprint or land pattern is the arrangement of pads (in surface-mount technology) or through-holes (in through-hole technology) used to physically attach and electrically connect a component to a printed circuit board. The land pattern on a circuit board matches the arrangement of leads on a component.

单词	Land pattern
释义	Land pattern 英语百科 Footprint (electronics) A footprint or land pattern is the arrangement of pads (in surface-mount technology) or through-holes (in through-hole technology) used to physically attach and electrically connect a component to a printed circuit board. The land pattern on a circuit board matches the arrangement of leads on a component.
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Land pattern

Footprint (electronics)