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| XT49U Vishay Dale Resistance Welded Holder Type Crystal Unit FEATURES * Low cost * Industry standard * Excellent aging * Wide frequency range The XT49U series is an industry standard AT cut crystal housed in a HC-49U package. It is our standard resistance weld type quartz crystal. * `AT' cut crystal STANDARD ELECTRICAL SPECIFICATIONS PARAMETER Frequency Range Frequency Tolerance Temperature Stability Operating Temperature Range Storing Temperature Range Shunt Capacitance Load Capacitance Insulator Resistance Drive Level Aging SYMBOL FO F/FO TC TOPR TSTG CO CL IR DL Fa at 25C, per year Customer Specified 100VDC at 25C ref to 25C CONDITION UNIT MHz ppm ppm C C pF pF M W ppm - 5.0 10 500 100 500 + 5.0 MIN 1.8432 10 10 - 20 - 40 30 30 TYPICAL MAX 125 50 50 + 70 + 85 7 Series EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE) FREQUENCY RANGE (MHZ) 1.8432 to 1.999 2.000 to 2.999 3.000 to 3.499 3.500 to 3.999 4.000 to 4.999 5.000 to 5.999 MAX ESR () 650 500 250 150 100 80 MODE Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental 0.150 [3.80] Max FREQUENCY RANGE (MHZ) 6.000 to 7.999 8.000 to 12.999 13.000 to 32.000 24.000 to 29.999 30.000 to 79.999 80.000 to 125.000 MAX ESR () 50 35 25 60 40 90 MODE Fundamental Fundamental Fundamental 3rd Overtone 3rd Overtone 5th Overtone DIMENSIONS in inches [millimeters] 0.403 [10.24] Max 0.435 [11.05] Max 0.183 [4.65] Max 0.530 [13.46] Max 0.500 [12.7] Min 0.192 0.008 [4.88 0.2] O 0.017 0.002 [0.43 + 0.05] ORDERING INFORMATION XT49U MODEL R OTR Blank = Standard R = - 40C to + 85C - 20 LOAD Blank = Series - 16 = 16pF - 20 = 20pF - 30 = 30pF - 32 = 32pF SP OPTIONS Blank = Standard SL = Sleeve SP = Spacer 4M FREQUENCY/MHz Document Number: 35015 Revision: 16-Apr-03 For technical questions contact: frequency@vishay.com www.vishay.com 1 |
Price & Availability of XT49UR32SP4M
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