crystal units *1 equivalent series resistance n features n specifications n dimensions an ultra small surface-mount type crystal unit,suitable for mobile communications such as the base clock of mobile phone handsets. ultra compact and thin. (2.5 2.0 0.5 mm typ.) excellent environmental performance and heat resistance. lead-free. meets the requirements for re-flow profiling using lead-free solder. l l l when ordering our products, specify them with an ordering code that consists of the following : -- m if you have any queries concerning our standard frequencies and numbers for specifying orders, please contact our sales represe ntatives or visit our homepage (http://www.ndk.com/). model name frequency (max : 9 digits) number for specifying an order n how to specify an order example nx2520sa-26.000m-std-csx-1 nx2520sa for mobile communications cu24_090416_nx2520sa_e mm 1.7 1.3 1.0 1.2 2.5 0.1 0.500.05 #1 #2 #4 #3 1.3 1.7 #4 #1 *#2 and #4 are connected with a cover. (please connect with a gnd.) #3 #2 0.1 2.0 0.8 0.65 pb free reference land pattern internal connections (top view) frequency range (mhz) 16 to 20 20 to 30 30 to 35 35 to 54 equivalent series resistance max. [] 80 60 50 40 frequency range overtone order frequency tolerance (25 3 ) temperature characteristics (with reference to +25 c) operating temperature range storage temperature range equivalent series resistance drive level load capacitance 16 to 54 mhz fundamental 10 10 ?6 10 10 ?6 ?20 to +75 ?40 to +85 refer to *1 10 w (max. 100 w) 8 pf item model nx2520sa the above specifications are standard for this ndk product. custom-made specifications such as load capacitance and temperature characteristics are also available. please contact ndk sales with your enquiries.
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