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 XTAL FSX-8L 24.576MHZ XTAL G3225 8MHZ 12PF XTAL OSC 50.0000MHZ XTAL SMD 25MHZ