CL10B473KB8NNNC C 0603 X7R 47NF K 50V CL10B473KB8NNNC 贴片电容 CL10B473KB8NNNCB257 CL10B473KB8NNNCE CL10B473KB8NNNC-E CL10B473KB8NNNCNI/SNSAE CL10B473KB8NNND CL10B473KB8NNNL CL10B473KB8NNWC CL10B473KB8SFN