19.2MHz热敏晶振 NX2520SG-19.2M-STD-CTX-1 NDK晶振 7PF ¥0.78 26MHz热敏晶振 NX2520SG-26M-STD-CTX-1 7PF 10PPM NDK晶振 ¥0.80 38.4MHz热敏晶振 NX2520SG-38.4M-STD-CTX-1 7PF 10PPM ¥0.78 32.768KHz晶振 NX3215SA-32.768K-EXS00A-MU00003 12.5PF ¥0.85 NX3215SA-32.768K-STD-MUA-14 6PF 20PPM 32.768K晶振 ¥0.85 NX3215SA-32.768K-STD-MUA-8 12.5PF 20PPM 32.768KHz ¥0.85