CRYSTAL, 28.224MHZ, 18PF, HC-49US; Frequency Nom:28.224MHz; Crystal Case:SMD, 11.4mm x 4.65mm; Frequency Stability + / -:50ppm; Load Capacitance:18pF; Frequency Tolerance + / -:30ppm; Product Range:HCM49 Series; Crystal Type:StandardRoHS Compliant: Yes