... (Tuning Fork)Frequency32.768kHzFrequency Stability-Frequency Tolerance±20ppmLoad Capacitance9pFESR (Equivalent Series Resistance)70 kOhmOperating ModeFundamentalOperating Temperature-40°C ~ 85°CRatings-Mounting ... , NXP, INTEL, LINEAR, TDK, AVX, MURATA and etc.Main PartsFull series of electronic components: ICs, Tantalum capacitors, Beads, Optical couplers, Relay ...