19.511M20规格参数
相关型号
19.513M20 19.516M25 19.521M25 19.529M32 19.529M40 19.536M50 19.542M50 19.548M63 19.66080MHz HC49 20/50/-40+85°C/SR 19.6608MHz 20PF ±20PPM 49U