Quartz Crystal Resonator (HC-49U) Feature: Resistance weld; Low power; High stability; Wide frequency range General Specification: Nominal frequency: 1.000-125.000MHZ Mode of vibration: Fundament 1.0-30.0MHZ; 3rd Voertone 24.0-60.0MHZ; 60.0-125.0MHZ Crt type: AT Frequency tolerance: 20ppm, 30ppm, 50ppm Frequency stability: 20ppm, 30ppm, 50ppm 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