Crystal 4MHz Series 2Pin HC49/US SM T/R
4 MHz ±30ppm 晶体 系列 HC-49/US
得捷: CRYSTAL 4.0000MHZ SERIES SMD
艾睿: Crystal 4MHz ±30ppm Tol ±50ppm Stability Series FUND 120Ohm 2-Pin HC-49/US SM SMD T/R
安富利: Crystal 4MHz Series 2-Pin HC49/US SM T/R
CTS 西迪斯