NX2520SA-40.000000MHZ-W2晶振 2520晶振 10PF 10PPM NDK晶振 ¥0.70 40MHz晶振 2520晶振NX2520SA-40.000000MHZ-W3 10PF 10PPM ¥0.70 NX2520SA-44.000000MHZ晶振 44MHz晶振 10PF 10PPM NDK晶振 ¥0.70 48M晶振 2520 10PF 10PPM NX2520SA-48.000000MHZ NDK晶振 ¥0.70 24MHz晶振 NX2520SD-24MHZ-EXS00A-CS06352 12PF 15PPM ¥0.70 19.2MHz晶振 NX2520SG-19.2M-EXS00A-CS04340 7PF 10PPM ¥0.70