Quartz resonator HC49U (1)Industry standard (2)Wide temperature range (3)Low cost (4)Excellent aging 1 Detailed Descriptions Electrical Specifications Holder TypeHC-49SS/SMDFrequency Range3.200MHz ~ 110.000MHzFrequency Tolerance (at 25 °C)±5ppm, ±10ppm, ±20ppm, ±30ppm,or specifyFrquency Stability Over Operating Temperature Range±10ppm, ±20ppm, ±30ppm,or specifyOperating Temperature Range-10 ~ +60 ...