FCXO-06LF 45M FCXO-07-37.4MHz FCXO-12-10ABL FCXO-12-10BRD FCXO-12-10BY FCXO-12-10CGR FCXO-12-10DYL FCXO-12-10EOR FCXO-12-10FDB FCXO-12-10Y