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How to differ between PCB and PCBA?
- Apr 10.2018, 15:16:18
PCB, called as printed circuit board, or printed
wiring board, which is made up of epoxy glass resin, there are 4、6、8 layers based on the
difference of signal layer, 4、6 layers is normal.
Assembly component, such as chips is on the board, PCB is important electronic
assembly,the supported hole of electronic component, and the supplier of
electrical connection. The reasons why it’s called printed circuit board is
making by printing。
PCBA, processing electronic component by SMT
or plug-in on the PCB soldering assembly after manufacturer takes PCB, such as
IC, resistance, capacitance, crystal,
transformer and so on, PCBA is forming mechanical connection between component
and PCB board after heating to high temperature of reflow soldering. It’s the
shorthand of printed circuit board+ assembly, It’s a writing of China, however
America is PCB’A . In a word, PCBA is the whole manufacturing process of PCB
bare board by SMT feeding and DIP plug-in.
In a word, PCB is a bare
board, but PCBA, is a processing, also the finished board, after finishing the
process of PCB
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