CRYSTAL 4MHZ 18PF 12.5MM X 4.6MM; Frequency Nom:4MHz; Crystal Case:SMD 12.5mm x 4.6mm; Frequency Stability + / -:50ppm; Load Capacitance:18pF; Frequency Tolerance + / -:30ppm; Product Range:QCP9 Series; Operating Temperature ;RoHS Compliant: Yes