x21 series drive level 10 w typical ( 100 w max. ) aging f / f : 3 ppm / year ( max. ) exhibits extremely low aging with a high shock & vibration resistance. applications crystal cut fundamental mode , at-cut load capacitance series or parallel ( 8 to 32 pf ) resonance item / type x21 series ( 2.0 * 1.6 * 0.6 mm ) frequency range 20.000 ~ 54.000 mhz storage temperature range - 50c to 105c frequency tolerance 10 ppm , 20 ppm or 30 ppm at 25c frequency stability see table 2 table 1 table 2 esr ( equivalent series resistance ) frequency stability vs operating temperature range 15 20 25 30 20.000 ~ 30.000 mhz 120 ? max. x -10 to 60c frequency range e. s. r. stability code temp. (oc) \ ppm 5 10 30.100 ~ 54.000 mhz 80 ? max y -20 to 70c i -40 to 85c : available ; : contact mercury mercury www .mercury-crystal.com taiwan : tel (886)-2-2406-2779 / sales-tw@mercury-crystal.com u.s.a: tel: (1)-909-466-0427 / sales-us@mercury-crystal.com china: tel: (86)-512-5763-8100 / sales-cn@mecxtal.com outline dimensions ( unit : mm ) smd t yp e 2.0 x 1.6 x 0.6 mm quartz crystal [ surface mount crystals ] general specifications paramenters electrical spec. the entire package can be grounded via the top metal lid and the two bottom pads . small footprint. ideal for space constrained applications
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