This ECS INC. INTERNATIONAL ECS-.327-9-1210-TR crystal provides accurate timekeeping with a frequency of 32.768KHz and a tolerance of ±20ppm. It has a capacitance of 9pF and a resistance of 90kohm, making it suitable for a variety of applications. Operating within a temperature range of -40°C to 85°C, this crystal is reliable in various environments. It comes in a compact 2-SMD package measuring 0.047"x 0.039" (1.20mm x 1.00mm), making it easy to install on circuit boards.