document number: 35014 for technica l questions contact: frequency@vishay.com www.vishay.com revision: 17-jan-06 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 compliant
legal disclaimer notice vishay document number: 91000 www.vishay.com revision: 08-apr-05 1 notice specifications of the products displayed herein are subjec t to change without notice. vishay intertechnology, inc., or anyone on its behalf, assume s no responsibility or liability fo r any errors or inaccuracies. information contained herein is intended to provide a product description only. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. except as provided in vishay's terms and conditions of sale for such products, vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and /or use of vishay products including liab ility or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyrigh t, or other intellectual property right. the products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify vishay for any damages resulting from such improper use or sale.
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