32MHz温补晶振 TCXO晶振 KT2016K32000BAW28N 2.8V京瓷晶振 2016 ¥2.50 37.4MHz温补晶振 KT2520F37400ZAW18TBK 1.8V ±500ppb京瓷 ¥2.50 27.456MHz温补晶振 KT2520F27456ZAW28TBA 2.8V ±500ppb ¥2.50 KT2520F16800ACW28TAK 16.8MHz温补晶振 2520 2.8V ±500ppb ¥2.50 26MHz温补晶振 KT2520F26000ZAW18TKK 1.8V 京瓷TCXO晶振 2520 ¥2.50 16.369MHz温补晶振 KT2520F16369ACW18TAG 1.8V ±500ppb ¥2.50