Crystal Units NX2012SA For OA / AV / Mobile Communications ■ Features Ultra compact, thin, and light weight tuning fork crystal unit. ● Excellent heat resistance and environmental characteristics. ● Excellent electric performance optimum for mobile communications, OA (office automation) and AV (audiovisual) applications are exhibited. ● RoHS compliant. These can meet the requirements of re-flow profiling using leadfree solder. ● Use a metal lid: Excellent shock resistance during chip mounting process comparing to a glass lid. ■ Specifications Model Item Nominal frequency NX2012SA 32.768kHz Operating temperature range −40 to +85°C Storage temperature range −40 to +85°C Level of drive 0.1µW (0.5µW Max.) Frequency tolerance (25 ±3 °C) ±20 × 10−6 Turning point +25°C ± 5°C −0.04 × 10−6/°C2 Max. Temperature coefficient Load capacitance 12.5pF Equivalent series resistance 80kΩ Max. Shunt capacitance 1.3pF typ./ 1.5pF Max. Insulation resistance 500MΩ Min. ■ List of Ordering Codes Load capacitance Ordering Code 12.5pF NX2012SA-32.768K-STD-MUB-1 ■ Dimensions 2.05±0.05 1.20±0.05 #1 #2 Land pattern (Typical) 0.5 0.445 1.0 1.0 1.25 0.55±0.05 mm Terminal land connections (TOP VIEW) #1 #2 1.00 2.5 -2- 111209_NX2012SA_e