Crystal Units NX2520SA For OA / AV/ Short-range Wireless n Features A small and thin surface-mount type crystal unit, especially suited for small-sizing requirements. Compatible with low frequencies starting from 16MHz. lUltra compact and thin. (2.5×2.0×0.50mm typ.) lExcellent environmental characteristics, including heat and shock resistance. lExcellent electrical performance, ideal for OA (office automation), AV (audiovisual), Bluetooth and Wireless LAN applications. lLead-free. Meets the requirements for re-flow profiling using lead-free solder. Pb Free n Specifications Model Item NX2520SA Frequency Range 16 to 80MHz Overtone Order Fundamental ±15 × 10−6 Frequency Tolerance (25 ±3℃) ±15 × 10−6 Temperature Characteristics (with reference to +25°C) −10 to +75℃ Operating Temperature Range Refer to *1 Equivalent Series Resistance 10μW(Max:200μW) Drive Level 8pF Load Capacitance 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. n How to Specify an Order When ordering our products, specify them with an “Ordering Code” that consists of the following : Model name - Frequency (Max : 9 digits) M - Number for specifying an order Example NX2520SA-16.000M-STD-CSW-4 If you have any queries concerning our standard frequencies and numbers for specifying orders, please contact our sales representatives or visit our homepage (http://www.ndk.com/). n Dimensions *1 Equivalent Series Resistance mm 2.5 ±0.1 Internal connections(TOP VIEW) #3 #1 #2 Equivalent Series Resistance max.[Ω] 16 to 20 80 20 to 30 70 30 to 80 50 2.0±0.1 #4 Frequency (MHz) (Range) 0.50±0.05 *#2 and #4 are connected with a cover. Reference land pattern #1 0.65 1 .0 1.3 1 .3 #2 #4 #3 0.8 1.7 1.2 1.7 cu19_071108_NX2520SA_e1