SX1555-R Series 3.8x8.0x2.5 mm - 32.768 kHz, Surface Mount Crystal Electrical Specifications PARAMETERS Frequency Tolerance @ +25°C Aging Shunt Capacitance Load Capacitance Standard Operating Temperature Storage Temperature Equivalent Series Resistance (ESR), Max. Resonance Quality Factor Turnover Temperature Parabolic Curvature Constant Drive Level VALUE 32.768 kHz ±20 ppm ±5 ppm/yr. Max. 1.35 – 1.50 pF, Typical 12.5 pF, Typical -40°C to +85°C -55°C to +125°C 50 Kohms Parallel 40,000 Min. +25°C to ±5°C -0.034 ppm/°C2, Typical (See Fig 1) 1.0 µW Max. Environmental Electrical/Environmental Specifications Solder Conditions Mechanical Shock Vibration Thermal Cycle +260°C for 10 seconds max. MIL-STD-202, Method 213, C MIL-STD-202, Method 201 & 204 MIL-STD-883, Method 1010, B Contact the factory for specifications not listed. Figure 1 MtronPTI reserves the right to make changes to the product(s) and service(s) described herein without notice. No liability is assumed as a result of their use or application. Please see www.mtronpti.com for our complete offering and detailed datasheets. Contact us for your application specific requirements: MtronPTI 1-800-762-8800. Revision: 12-5-07 MtronPTI Lead Free Solder Profile MtronPTI reserves the right to make changes to the product(s) and service(s) described herein without notice. No liability is assumed as a result of their use or application. Please see www.mtronpti.com for our complete offering and detailed datasheets. Contact us for your application specific requirements: MtronPTI 1-800-762-8800.