What is the difference between PCB and PCBA?

PCB (Printed Circuit Board)

PCB known as Printed Circuit Board, is a thin board that is made of fiberglass, composite epoxy or other laminate material. PCB mechanically supports and electrically connects electronic components with the use of conductive tracks, pads and other features inscribed from copper sheets laminated onto non-conductive substrate. Conductive pathways are printed onto board, connecting different components on the PCB, such as resistors, transistors, and integrated circuits.

PCBs are used both in laptop and desktop computers. They function as the foundation of a lot of internal computer components, such as network interface cards, video cards, controller cards, expansion cards. These components are all connected to the motherboard.

PCBA (Printed Circuit Board Assembly)

PCBA known as Printed Circuit Board Assembly is simply the process of soldering or assembly electrical components to a Printed Circuit Board. Once electrical components are soldered to a PCB, the board is then referred as PCBA.

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