XTAL 32.768KHZ 12.5PF XTAL 32.768KHZ 12.5PF/20PM XTAL 32.768LHZ 12.5PF/20PPM XTAL 40.000MHZ XTAL 40MHZ SMD 12PF XTAL 48MHZ 10PF/15PPM X-TAL 49/SMD 4.000MHz X-TAL 50.000MHZ 20PF(SMD) XTAL CRYSTAL XTAL DIP 4.363M 20PPM 20PF 49S淄博丰雁LF