CRYSTAL, 4MHZ; Frequency:4MHz; Frequency Tolerance:± 30ppm; Load Capacitance:20pF; Operating Temperature Min:-20°C; Operating Temperature Max:70°C; Crystal Mounting Type:Through Hole; Crystal Case Type:HC49/US; No. of Pins:2; Accuracy:± 50ppm; Operating Temperature Range:-20°C to +70°C; Output Frequency:4.000MHz; Series:XT49S; Temperature Stabilty:± 50ppm