京瓷晶振KC7050T312.500P30E00有源晶振封装7050 ¥0.70 SMD7050贴片晶振KC7050T156.250P30E00京瓷156.250M有源晶振 ¥0.70 SMD7050京瓷晶振KC7050T250.000P30E00有源晶振50M ¥0.70 7.0*5.0贴片晶振KC7050T200.000P30E00京瓷有源晶振200M ¥0.70 SMD7050贴片晶振KC7050Y125.000L30EZU京瓷晶振125M有源晶振 ¥0.70 7.0*5.0京瓷晶振KC7050Y156.250L30EZU有源贴片晶振156.250M ¥0.70