euroquartz limited blacknell lane crewkerne somerset uk ta18 7he tel: +44 (0)1460 230000 fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk euro quartz 2.0 x 1.2 x 0.6mm ultra-miniature smd description EQ212 crystals provide 32.768khz in one of the smallest packages available. the part is designed to provide the smallest possible component size for real-time clock applications. their miniature size and rugged construction make them ideal for battery powered, hand- held equipment. frequency 32.7680khz ultra-miniature package: 2.0 x 1.2 x 0.6mm low mass, rugged construction packaged in standard eia tape and reel outline & dimensions nominal frequency: 32.7680khz calibration tolerance at 25oc: 20ppm or 50ppm turnover temperature: +255c temperature coefficient: (-3.51.0)x10 8 /c 2 operating temperature range: -40 to +85c load capacitance (cl): 12.5pf or 9.0pf equivalent series resistance (esr): 90k w max. drive level: 0.1w typical 0.5w max. ageing: 5ppm per year insulation resistance: 500m minimum @100vdc crystal cut: x-cut reflow soldering: 10s maximum at 260c twice or 180s at 230c, once. packaging: eia tape and reel specification EQ212 - 32.768 - 20 / 12.5 ordering information stability over temperature x-cut crystal EQ212 crystals 32.768khz series EQ212 frequency: 32.768khz tolerance at 25c 20 = 20ppm 50 = 50ppm load capacitance 12.5pf or 9pf example: EQ212-32.768-20/12.5
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