Crystal Units NX2520SA For OA / AV/ Short-range Wireless ■ Features A small and thin surface-mount type crystal unit, especially suited for small-sizing requirements. Compatible with low frequencies starting from 16 MHz. ●Compact and thin. (2.5 × 2.0 × 0.50 mm typ.) ●Excellent environmental characteristics, including heat and shock resistance. ●Excellent electrical performance, ideal for OA (office automation), AV (audiovisual), Bluetooth and Wireless LAN applications. ●Lead-free. Meets the requirements for re-flow profiling using lead-free solder. ■ Specifications Model Item Nominal frequency NX2520SA 16 to 80 MHz Overtone order Fundamental Frequency tolerance (25 ±3 °C) ±15 × 10−6 Frequency versus temperature characteristics (with reference to +25 °C) ±25 × 10−6 Operating temperature range −40 to +85 °C Storage temperature range −40 to +85 °C Equivalent series resistance Refer to *1 Level of drive 10 μW (Max. 200 μW) Load capacitance 8 pF The above specifications are standard for this NDK product. ■ 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-5 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/). ■ Dimensions mm Terminal land connections (TOP VIEW) 2.5±0.1 #3 2.0±0.1 #4 #1 #2 *1 Equivalent Series Resistance Nominal frequency (MHz) Equivalent Series Resistance max. [Ω] 16 to 20 80 20 to 30 60 30 to 35 50 35 to 80 40 0.50±0.05 *#2 and #4 are connected with a cover. (Please connect with a GND.) Land pattern (Typical) #2 #4 1.0 0.65 1.3 1.3 #1 0.8 #3 1.7 1.7 1.2 - 10 - 110916_NX2520SA_e