CRYSTAL 18.432MHZ 18PF 12.4MM X 4.5MM; Frequency Nom:18.432MHz; Crystal Case:SMD 12.4mm x 4.5mm; Frequency Stability + / -:50ppm; Load Capacitance:18pF; Frequency Tolerance + / -:30ppm; Product Range:M49 Series; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; MSL:MSL 1 - Unlimited