Website: www.kingtronics.com Email: [email protected] Tel: (852) 8106 7033 Fax: (852) 8106 7099 QKT – HC49U QUARTZ CRYSTAL ■FEATURES Low cost Wide frequency range Good aging pb-free & RoHS Compliance SPECIFICATIONS Holder Type Frequency Range Operating Temperature Range Storage Temperature Range Drive Level Load Capacitance Frequency Tolerance Frequency Stability Shunt Capacitance Insulation Resistance Aging First Year HC-49U 1.8432MHz –200.000MHz -10℃~+60℃ typical or custom-designed -40℃~+85℃ typical 100uW typical 8pF-32pF or Series ±30ppm or custom-designed ±50ppm or custom-designed 7.0pF max 500MΩmin.at DC 100V ±5ppm max EQUIVALENT SERIES RESISTANCE(ESR) AND MODE OF OPERATION Frequency Range 1.8432~2.300M 2.3001~3.000M 3.0001~5.000M 5.0001~8.000M 8.001~40.000M 24.000~80.000M 80.000~150.00M ESR(Ω) 500max 400max 90max 60max 300max 50max 150max Mode Fundamental Fundamental Fundamental Fundamental Fundamental 3rd Overtone 5th Overtone ■ MECHANICAL DIMENSIONS Note: Specification are subject to change without notice. 1