Chinese name of PCB is Printed Circuit Board, is an important electronic component, is the support of electronic components. Because it is made by electronic printing, it is called “printed”circuit board.
PCBA is PCB Assembly. Various electronic devices are assembled on the circuit board by surface mount technology, next is the box assembly, the assembled PCB, the casing and so on, assembled to form the finished product. In other words, the PCB empty board passes through the SMT component, then passes through the whole process of the DIP plug-in, referred to as PCBA, this is a commonly used writing method in China.