Quartz Crystal Resonator HC49US Feature: Resistance weld ; Low power ;High stability; Wide frequency range Dimension: 10.00mm(w)*3.50mm(h) General Specification: Nominal frequency : 3.500-80.000MHZ Mode of vibration : Fundament 3.5-30.0MHZ ; 3rd Voertone 30.0-80.0MHZ ; 20.0-40.0MHZ Crt type : AT / BT Frequency tolerance : +/-20ppm , +/-30ppm , +/-50ppm Frequency stability : +/-20ppm , +/-30ppm , +/-50ppm Load capacitance : 8pf-33pf Shunt capacitance : 7.0pf max Drive level : 0.01-2.0mv max Insulation resistance : 500M Min/100 +/-15V DC Operating temperture : A)-10C--+60C B)-20C--+70C C)-30C--+80C D)-40C--+85C Aging :