Crystal Units NX4025DA For Mobile Communications / Bluetooth n Features A small surface-mount type crystal unit compatible with mobile phone handsets and the base clock frequency for Bluetooth. lUltra compact and thin. (4.0 × 2.5 × 0.6mm typ.) lFrequencies that meet most mobile phone and Bluetooth applications are available. lExcellent electrical performance, ideal for mobile phone handsets and Bluetooth applications. lExcellent environmental characteristics, including heat and shock resistance. lLead-free. Meets the requirements for re-flow profiling using lead-free solder. Pb Free n Specifications Model Item NX4025DA Frequency Range 12 to 32MHz Overtone Order Fundamental ±10 × 10−6 Frequency Tolerance (25 ±3℃) ±10 × 10−6 Temperature Characteristics (with reference to +25°C) Operating Temperature Range −20 to +75℃ Equivalent Series Resistance Refer to *1 Drive Level 10μW(Max:100μW) Load Capacitance 10pF 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 NX4025DA-16.000M-STD-CST-1 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 4.0±0.15 mm 2.5±0.15 Internal connections(TOP VIEW) #4 #3 #1 Frequency (MHz) (Range) Equivalent Series Resistance max.[Ω] 12 to 13 80 13 to 16 60 16 to 20 50 20 to 32 40 #2 Reference land pattern #2 1.15 #1 1.6 0.7 1.5 0.8 0.6±0.1 *#2 and #4 are connected with a cover. (Please connect with a GND or a power supply.) #4 #3 0.9 2.0 2.9 1.4 3.0 cu26_071108_NX4025DA_e1