32.768-3X8 EUROQUARTZ

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Technical content

EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE EURO QUARTZ 3x8mm 32.768kHz Crystal An industry-standard source of 32.768kHz clock signals Fully RoHs compliant Excellent shock resistance and environmental capability A high build quality component at low cost OUTLINE & DIMENSIONS Frequency: 32.7680kHz Calibration Tolerance at 25ºC: from ±5ppm to ±50ppm Temperature Coefficient: Inverse Parabolic -0.035 ppm/°C 2 Peak Temperature: 25°C ±5°C Operating Temperature Range: -40 to +85° Storage Temperature: -55°~+105°C Effective Series Resistance: 45kΩ max. Shunt Capacitance (C0): 0.8pF typical Motional Capacitance: 4.0fF max. Load Capacitance (CL): 6pF or12.5pF Ageing: <±5ppm per year at +25°C Maximum Drive level: 1.0 microW max. Reflow Soldering: 10s maximum at 250°C twice or 180s at 230°C, once. Insulation Resistance: 100MΩ min. Shock Resistance: ±5ppm max. (Drop test 3 times onto a hard board from 75cm) SPECIFICATION Cylindrical 'watch' crystal Frequency Change vs. Temperature X-Cut Crystal Function = Stock Number Frequency Calibration MH32768A 32.768kHz ±15ppm 12.5 MH32768B 32.768kHz ±20ppm 12.5 MH32768M 32.768kHz ±5ppm 12.5 MH32768P 32.768kHz ±5ppm 6.0 CL (pF) STOCK NUMBERS/SPECIFICATIONS