16.369MHz温补晶振 KT2520F16369ACW18TAG 1.8V ±500ppb ¥2.50 KT2520F38400DEV30TAK 38.4MHz温补晶振 2520 3V ±2ppm ¥2.50 38.4MHz温补晶振 KT2520F38400ZAW18TEK 1.8V ±500ppb TCXO ¥2.50 16.369MHz温补晶振 KT2520F16369ACW28TAK 2.8V ±500ppb ¥2.50 KT2520K40000DAW18TAS 40MHz温补晶振 2520 1.8V ±2ppm ¥2.50 26MHz温补晶振 KT2520K26000AAW18TAS 1.8V ±500ppb TCXO ¥2.50