C-array series MLCC can save 50% space of the PCB and improve the assembly density; the installation of a CA is equal to the installation of 4 pieces of 0603 capacitors, reducing the times of installation and improving installation efficiency; reduce the times of placement, easy to install and shorten production time, reduce equipment management costs and PCB costs; Improve the working efficiency of the printed board: Reduce the amount of printed circuits and promote the working speed of the printed circuit.