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| document number: 35014 for technica l questions contact: frequency@vishay.com www.vishay.com revision: 25-aug-05 11 low profile holder type crystal units xt49s vishay dale features ? low cost ? industry standard ? wide frequency range ? excellent aging ? 100 % lead (pb)-free and rohs compliant this part is a miniature at cut strip crystal unit with a low profile package. it is with resistance weld. standard electrical specifications parameter symbol condition unit min typical max frequency range f o mhz 3.200 66.000 frequency tolerance ? f/f o at 25 c ppm 10 30 50 temperature stability tc ref to 25 c ppm 10 30 50 operating temperature range t opr c -20 +70 storing temperature range t stg c -40 +85 shunt capacitance c o pf 7 load capacitance cl customer specified pf 10 series insulator resistance ir 100 v dc m ? 500 drive level dl w 100 500 aging (first year) fa at 25 c, per year ppm -5.0 +5.0 dimensions in inches [millimeters] equivalent series resistance (esr ) and mode of vibration (mode) frequency range (mhz) max esr ( ? ) mode frequency range (mhz) max esr ( ? )mode 3.200 to 4.499 150 fundamental/at 9.000 to 9.999 60 fundamental/at 4.500 to 5.999 120 fundamental/at 10.000 to 12.999 50 fundamental/at 6.000 to 6.999 100 fundamental/at 13.000 to 30.000 40 fundamental/at 7.000 to 7.999 90 fundamental/at 30.000 to 66.000 80 3 rd overtone 8.000 to 8.999 80 fundamental/at ordering information xt49s model r otr blank = standard r = -40 c to +85 c -20 load blank = series -16 = 16 pf -20 = 20 pf standard -30 = 30 pf -32 = 32 pf sp options blank = standard sp = spacer sl = sleeve 12 m frequency/mhz e2 jedec lead (pb)- free standard global part number model load pac k ag e options frequency code x t 9 x x s 2 0 a n a 0.403 [10.24] max 0.192 0.008 [4.88 0.2] 0.435 [11.0] max 0.183 [4.65] max 0.500 [12.7] min 0.146 [3.70] max 0.017 0.002 [0.43 0.05] 0.138 [3.5] max 1 2 m rohs
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