PCA (Printed Circuit Assembly) : Designing, Manufacturing and Assembly

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Electronics >> PCB ( Printed Circuit Board ) >> PCA (Printed Circuit Assembly)

Once the printed circuit board (PCB) is complete, electronic components must be assembled to form a functional printed circuit assembly, or PCA or PCBA (printed circuit board assembly).

In through-hole PCA, component leads are inserted in holes and thus the name Thru-Hole. In surface-mount PCA, components are placed on pads or lands on the outer surfaces of the PCB.

PCA (Printed Circuit Assembly)

In both kinds of assembly (Thru-Hole and SMT), component leads are electrically and mechanically fixed to the board with solder. In case of Thru-Hole, solder wire or solder bar is used while in SMT, solder balls of solder paste is used.

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