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Hualianxing crystal units operate to 85C

Posted: 05 May 2003 ?? ?Print Version ?Bookmark and Share

Keywords:Hualianxing electronics? hc 49u? crystal units? crystal oscillator?

The HC-49U series of crystal units from Nanjing Hualianxing Electronics Co. Ltd measures 10.8-by-12.9-by-4.4mm and is available with operating temperatures of -10C to 60C or -40C to 85C.

The devices have frequency ranges of 1.8432MHz to 50MHz at fundamental mode or 24MHz to 100MHz at third overtone mode with 10ppm to 100ppm tolerance. At 25C, aging rate is measured at <5ppm per year.

Insulation resistance is at least 500 megohms, while shunt capacitance is <7pF. ESR ranges from 25 ohms to 500 ohms. Typical drive level is 100?W.

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