Definition for SMD

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(Surface Mount Device) Electronic components that are mounted directly to a printed circuit boardFullcompass LogoDefinition:
A flat, thin piece of material, usually made of epoxy-glass or phenolic, on which various components mount. Thin electrical pathways called traces, usually made of copper, provide the electrical connections among the various components.
, which replaces "through hole technology".  Allows for higher density and assembly automation, having no leads (wires) to attach.

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