Crystal 40MHz 20pF 2Pin HC49/US SM T/R
±30ppm 晶体 20pF HC-49/US
得捷: CRYSTAL 40.0000MHZ 20PF SMD
艾睿: Crystal 40MHz ±30ppm Tol ±50ppm Stability 20pF 3rd Overtone 80Ohm 2-Pin HC-49/US SM SMD T/R
CTS 西迪斯