EURO QUARTZ X3215 SERIES CRYSTALS 32.768kHz 3.2 x 1.5 x 0.8mm Micro-miniature SMD Ultra-miniature ceramic package 3.2 x 1.5 x 0.8mm Frequency tolerance from ±5ppm at 25°C RoHS compliant and lead free Low ageing, high shock and vibration resistance Uses include real-time clocks and battery operated devices DESCRIPTION X3215 crystals provide 32.768kHz in an ultra-miniature package. The part is designed to provide the smallest possible component size for real-time clock applications. The micro-miniature size and rugged construction make them ideal for real time clocks and battery powered, hand-held equipment. OUTLINE & DIMENSIONS SPECIFICATION Nominal Frequency: Calibration Tolerance at 25ºC: ( ) 32.7680kHz ±20ppm standard, ±5ppm & ±10ppm available (For 9pF = ±20ppm) Crystal Cut: X-cut Load Capacitance (CL): 12.5pF Equivalent Series Resistance (ESR): 50kW typical, 70kW max. Drive level: 0.1mW typical, 0.5mW max. Temperature Coefficient: -0.035±0.008ppm/°C2 max. ( ) Turnover Temperature: +25°±5°C Shunt Capacitance: 1.5pF typical, 2.0pF max. Ageing: ±3ppm/year max. Insulation Resistance: 500MW minimum @100VDC Operating Temperature Range: -40° to +85°C Storage Temerature Range: -55° to +125°C Packaging: 8.0mm EIA tape and reel, 4.0mm pitch, 180mm diameter reel. 3k pieces/reel Vibration: Solder Heat Resistance: Temperature Cycling: High and Low Temperature Operating Life: Highly Accelerated Stress Test: Example: X3215 - 32.768K - 12.5** - 5* Crystal Package Frequency 32.768kHz Load Capacitance 9 = 9pF** 12.5 = 12.5pF Frequency Tolerance 5 = ±5ppm 10 = ±10ppm 20 = ±20ppm This part number example given will provide a 32.768kHz crystal in X3215 package with ±5ppm calibration tolerance at 25°C and a load capacitance of 12.5pF. ENVIRONMENTAL SPECIFICATION RoHS Status: Operable Temperature Range: Storage temperature Range: Shock: PART NUMBER AND SPECIFICATION RoHS Compliant and lead free -40° to +85°C -55° to +125°C ±5ppm max. freq. deviation. Free drop onto a hard wooden board from a height of 75cm. x 3. ±5ppm max. freq. deviation 3000g, ½ sine wave, 0.3ms. Duration 2 hours each direction, three mutually - perpendicular planes. ±5ppm max. 260° for 10 seconds, two times. ±10ppm max. 100 cycles of -40 to +85°C, 30 minutes soak time at each temperature extreme. * Frequency tolerance is that frequency measured at 25°±5°C If a frequency tolerance value is not given ±20ppm is assumed. ** For 9pF load capacitance only ±20ppm calibration tolerance is offered. STABILITY OVER TEMPERATURE X-Cut Crystal ±7ppm max. +85°C for 500 hours, ±10ppm max., -40°C for 500 hours. ±10ppm max. +60°C, 90 to 95% relative humidity for 500 hours. EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk