HC-49/U(14.7456MHZ) HC49/U(3.3792MHZ) HC-49/U(3.579545MHZ)16PF HC-49/U(6.0000MHz)16pF HC-49/U. HC-49/U_12MHZ HC-49/U_6MHz HC49/U-002M083333S7 HC49/U-002M500000S7 HC49/U-003M571428S7