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MicroMiniature Surface Mount Crystals

Frequency control specialist, Euroquartz has launched a new range of surface mount crystals housed in micro-miniature packages measuring just 4 x 2.5 x 0.6mm.



Available in the frequency range from 12 to 50MHz, the new X42 series crystals have a gold-plated ceramic base and a seam welded metal lid providing a stable device with very low ageing. The rugged construction ensures that these crystals have high shock and vibration resistance.



X42 series crystals are specifically designed for use in small hand-held communications devices such as PDAs, GPS and Bluetooth products.



Frequency stability is from ±5ppm over the temperature range -10 to +60 deg C and from ±10ppm over -30 to +85 deg C.



Specifications include AT-cut fundamental frequencies from 12 to 50MHz, calibration tolerance at 25 deg C from ±5ppm (±10, ±20 or ±30ppm as standard), ageing less than ±3ppm per year at 25 deg C, drive level of 100uW maximum, shunt capacitance (C0) of 2 to 4pF typical, 5pF maximum and customer specified load capacitance (CL) of series or from 10 to 32pF. Storage temperature range is from -40 to +85 deg C.



Suitable for reflow soldering (10s maximum at 260 deg C twice or 180s at 230 deg C once), the new X42 series crystals are supplied in bulk on 16mm EIA tape and reel.



With annual turnover of £3.5million and a current growth rate of 12.5% per annum, Euroquartz group provides major OEMs with a global manufacturing and supply facility for all types of quartz crystals, oscillators, filters and frequency control products.



For more information, please contact: Euroquartz Ltd/Frequency Products Ltd, Blacknell Lane Industrial Estate, Crewkerne, Somerset, TA18 7HE, UK. Tel: +44 (0)1460 230000, Fax: +44 (0)1460 230001, Web: http://www.euroquartz.co.uk



Press enquiries to: Marshall Jennings PR Limited, Wyvols Court, Swallowfield, Reading, Berkshire, RG7 1WY, UK. Tel: +44 (0)118 988 0288, Fax: +44 (0)118 988 0388.

Web site: http://www.mjpr.com

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