Crystal Resonators For Consumer Electronics

Murata has expanded its hybrid crystal resonator range with devices that feature improved accuracy of less than +/-100ppm, for use in consumer devices such as clocks, radios, PCs and mobile phones. The range features a quartz crystal element manufactured by Tokyo Denpa, alongside Murata's ceramic resonator technology in the same package. The devices use Murata's production technology to create a device smaller and lower cost than a quartz crystal, while maintaining the precision of quartz.

The XRCGB-M series features high accuracy of less than +/-100ppm, complementing the available XRCGA-L series, which has standard accuracy of +/-150ppm. At low frequency (24 to 30MHz), initial tolerance of the XRCGB-M series is +/-30ppm, plus temperature characteristic of +/-40ppm over the range -30 to 85C. At high frequency (30.1 to 48MHz), initial tolerance is +/-45ppm, plus temperature characteristic +/-40ppm over the range -30 to 85C.

The XRCGB-M range also has a package size of 2.0 x 1.6 x 0.7mm. The series is available in frequencies of: 24, 25, 27, 27.12, 30, 33.86, 40 and 48MHz, with additional frequencies under development. Murata's hybrid crystal resonators now all feature four connection pads on the base, to make them a more direct replacement for quartz. All Murata's hybrid crystal resonators are RoHS compliant.

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