PCB stands for Printed Circuit Board and PCBA stands for Finished Circuit Board.
PCB is Printed Circuit Board for short, translated into Chinese is called Printed Circuit Board, because it is the use of electronic printing production, it is known as the "printed" circuit boards. PCB is an important electronic component in the electronics industry, is the electronic components of the support body is the carrier of the electrical connection of electronic components. PCB is an important electronic component in the electronics industry, is the support body of electronic components, is the carrier of the electrical connection of electronic components. PCB has been extremely widely used in the production of electronic products in the manufacturing.
PCBA is Printed Circuit Board +Assembly of the abbreviation, that is to say, PCBA is through the PCB empty board SMT on the pieces, and then through the DIP plug-in the entire process.
PCBA refers to a general process, is a finished circuit board, PCB board on the process are completed before counting the PCBA. PCB refers to an empty printed circuit board, there are no parts on it.
In a nutshell: PCBA is a finished board; PCB is a bare board.