16.8M无源晶振7M16805001,TXC贴片晶振SMD3225 ¥0.51 AT04000005贴片晶振4MHZ HC-49SMD TXC无源晶振 ¥0.35 7M16900012贴片晶振16.9344M SMD3225无源晶体 ¥0.51 9C16000132贴片晶振4MHZ HC-49SMD TXC无源晶振 ¥0.35 TXC晶振,3225金属面四脚贴片晶振7M16900021 ¥0.51 AT04000004贴片晶振4MHZ HC-49SMD TXC无源晶振 ¥0.35