QKT - 3225SMD QUARTZ CRYSTAL FEATURES PICTURE Rugged AT-cut crystal construction: Embossed taping specification Miniature 3.2×2.5mm ceramic package Pb-free and RoHS/Green compliant Designed for automatic mounting and reflow soldering SPECIFICATIONS Holder Type 3.2x2.5mm Ceramic Surface Mount Frequency Range 12MHz to 54MHz Frequency Tolerance（△F） （at25℃） ±10ppm to ±30ppm Frequency Drift ±10ppm to ±30ppm※(See Notes) Operating Temperature Range -20℃ - +70℃ / -40℃ - +85℃ Storage Temperature Range -40℃ - +85℃ /-55℃ - +125℃ Aging（25℃） ±3ppm/ year max. Shunt Capacitance（C0） 3pF max. Drive Level 10μw (100μW max.) Insulation Resistance（Rs） 500 Mega ohms Minimum at D.C100V Load Capacitance（CL） ※Notes:±10，±20，±30ppm (-20℃ to +70℃) ±20，±30，±50ppm (-40℃ to +85℃) or depends on customer Suggested by customer EQUIVALENT SERIES RESISTANCE(ESR) AND MODE OF OPERATION Frequency Range ESR(Ω) 12.000MHz≤ f ＜16.000MHz 100Ωmax 16.000MHz≤ f ＜20.000MHz 80Ωmax 20.000MHz≤ f ＜24.000MHz 60Ωmax 24.000MHz≤ f ＜54.000MHz 40Ωmax Mode Fundamental Fundamental Fundamental Fundamental MECHANICAL DIMENSIONS: Unit: mm Suggested solder pad layout Note) #2, #4 is connected with a cover Note: Specifications are subject to change without notice. Website: www.kingtronics.com (Please connect with a GND or a power supply) Email: [email protected] Tel: (852) 8106 7033 Fax: (852) 8106 7099 1