7.3728MHz晶振 9C07300003 20pF ±30ppm TXC晶振 49SMD封装 ¥0.45 7.3728MHz晶振 49SMD晶振 9C07300012 32PF 30PPM TXC晶振 ¥0.45 9C07300021 7.3728MHz晶振 49SMD贴片晶振 30PF 30PPM TXC晶振 ¥0.45 7.3728MHz晶振 9C07300076 30pF ±30ppm TXC晶振 49SMD封装 ¥0.45 7.3728MHz晶振 49SMD晶振 9C07370004 18PF 30PPM TXC晶振 ¥0.45 32.768K晶振 XDMCZLNDDF-0.032768MHZ 3215封装 12.5PF ¥1.20