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SD2020M00015001 SD2020M00020001 SD2022M11820001
SD2020M00020001 无源晶振 20MHz ±20ppm 20pF HC-49S-SMD
无源晶振 SD2020M00020001 HC-49S-SMD 20MHz ±20ppm 20pF 原装
SD2020M00020001 |原装HC-49S-SMD无源晶振