Quartz Crystal Resonator (HC-49S/SMD) Feature: Resistance weld; Low power; High stability; Wide frequency range General Specification: Nominal frequency: 3.500-80.000MHZ Mode of vibration: Fundament 3.5-30.0MHZ; 3rd Overtone 30.0-80.0MHZ; 20.0-40.0MHZ Crt type: AT; AT; BT Frequency tolerance: 20ppm, 30ppm, 50ppm Frequency stability: 20ppm, 30ppm, 50ppm; 20ppm, 30ppm, 50ppm; 100ppm Load capacitance: 8pf-33pf Shunt capacitance: 7.0pf max Drive level: 0.01-2.0mw max Insulation resistance: 500M Min/100 (15V DC) Operating temperture: A)-10 degree --+60 degree B)-20 degree --+70 degree C)-30 degree --+80 degree D)-40 degree --+85 degree Aging: Less than 5ppm/year Rosh approval and Pb free