Specifications: 1) Nominal frequency: 32.768kHz 2) Frequency tolerance: ?0ppm at 25癈 3) Operating temperature: -10癈 to +60癈 4) Aging (first year): ?ppm max. Features: 1) Ideal for portable equipment because of their excellent shock resistance and low power consumption 2) Feature superior characteristics indigenous to tuning fork-type quartz crystal unit 3) Permit use as a clock source for communication equipment, AV equipment, OA equipment, measuring instruments and various types of clocks Packing: DIP