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| hc49/4h smx crystals issue 9; 18 october 1999 delivery options common frequencies are available from stock. please see p143 for details holder style hc49/4h smx crystals are resistance welded, her - metically sealed in an inert atmosphere with glass to metal seals securing the lead wires. the lead wires are formed into a gull wing and mounted on a plastic former lower profiles available, please contact our sales office general specifications load capacitance (c l ): 10pf to 75pf or series drive level: 0.5mw max static capacitance (c 0 ): 9pf max ageing: 3ppm typical per year standard frequencies 3.579545mhz, 3.68640mhz, 4.0mhz, 4.91520mhz, 5.0mhz, 6.0mhz, 7.37280mhz, 8.0mhz, 8.1920mhz, 9.83040mhz, 10.0mhz, 11.05920mhz, 12.0mhz, 14.318180mhz, 14.74560mhz, 15.360mhz, 16.0mhz, 18.4320mhz, 19.66080mhz, 20.0mhz standard frequency tolerances and stabilities 50ppm, 100ppm operating temperature ranges 0 to 50c ?10 to 60c ?20 to 70c ?30 to 80c storage temperature range ?40 to 85c environmental specification shock: 981m/s 2 for 6ms, three shocks in each direc - tion along three mutually perpendicular planes vibration: 10 to 60hz 0.75mm displacement, 60 to 500hz 98.1m/s 2 acceleration, 30 minutes in each of three mutually perpendicular planes marking frequency only minimum order information required frequency + holder + frequency tolerance @ 25c + frequency stability + operating temperature range + circuit condition + overtone order europe tel: +44 (0)1460 74433 fax: +44 (0)1460 72578 162 americas tel: +1 919 941 0430 fax: +1 919 941 0530 surface mount quartz crystals outline in mm (inches) ! ! ! ! "#" typical frequency vs temperature curves for various angles of at-cut crystals $% $% & #$% & #$% & #$% $% ' typical solder condition - infrared reflow electrical specification - maximum limiting values frequency range frequency tolerance @ 25c 2c operating temperature range frequency stability available over operating temperature esr max vibration mode minimum maximum 3.50 to < 5.0mhz 15ppm to 100ppm 0 to 50c 15ppm 100ppm 200 fundamental at cut ?10 to 60c 20ppm 100ppm ?20 to 70c 20ppm 100ppm ?30 to 80c 25ppm 100ppm 5.0 to < 8.0mhz 15ppm to 100ppm 0 to 50c 15ppm 100ppm 120 fundamental at cut ?10 to 60c 20ppm 100ppm ?20 to 70c 20ppm 100ppm ?30 to 80c 25ppm 100ppm 8.0 to < 12.0mhz 15ppm to 100ppm 0 to 50c 10ppm 100ppm 70 fundamental at cut ?10 to 60c 15ppm 100ppm ?20 to 70c 15ppm 100ppm ?30 to 80c 20ppm 100ppm 12.0 to <25.0mhz 15ppm to 100ppm 0 to 50c 10ppm 100ppm 50 fundamental at cut ?10 to 60c 15ppm 100ppm ?20 to 70c 15ppm 100ppm ?30 to 80c 20ppm 100ppm 25.0 to 32.0mhz 15ppm to 100ppm 0 to 50c 10ppm 100ppm 30 fundamental at cut ?10 to 60c 15ppm 100ppm ?20 to 70c 15ppm 100ppm ?30 to 80c 20ppm 100ppm 25.0 to 40.0mhz inclusive with frequency stabiity 0 to 50c 50ppm 100ppm 50 fundamental bt cut ?10 to 60c 50ppm 100ppm ?20 to 70c 100ppm 100ppm ?30 to 80c 100ppm 100ppm 25.0 to 70.0mhz 15ppm to 100ppm 0 to 50c 15ppm 100ppm 100 3rd overtone at cut ?10 to 60c 20ppm 100ppm ?20 to 70c 20ppm 100ppm ?30 to 80c 25ppm 100ppm europe tel: +44 (0)1460 74433 fax: +44 (0)1460 72578 163 americas tel: +1 919 941 0430 fax: +1 919 941 0530 surface mount quartz crystals ( outline in mm (inches) - reel (scale 1:8) ) ) outline in mm (inches) - tape |
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