4年 MC34018p; SD1302D; SD6006B; CD1875; TDA2030; VS1621; MC34063; LM324; PT2253; LM358; 2CC149; ISS198; VM7205; SC3610; CD9258; 等.ST.IR.NXP.IMP.BCD.; AME.Freescale; 等国内、国际品牌。;