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| Model XT49U Vishay Dale Quartz Crystals 1.8432MHz to 60.0MHz FEATURES * 3rd lead option. * Insulating sleeve option. * Hermetically sealed. STANDARD ELECTRICAL SPECIFICATIONS FREQUENCY RANGE (MHz) 1.8432 - 1.999 2.0 - 2.999 3.0 - 3.499 3.5 - 3.999 4.0 - 4.999 5.0 - 5.999 6.0 - 7.999 8.0 - 12.999 13.0 - 30.999 31.0 - 60.0 MODE OF VIBRATION "AT" Fundamental "AT" Fundamental "AT" Fundamental "AT" Fundamental "AT" Fundamental "AT" Fundamental "AT" Fundamental "AT" Fundamental "AT" Fundamental "AT" 3rd Overtone ESR MAX. (Ohms) 650 500 250 150 100 80 50 35 25 40 STANDARD SPECIFICATIONS Operating Temperature Range: - 20C to + 70C. (- 40C to + 85C optional). Frequency Range: 1.8432MHz to 60.0MHz. Frequency Tolerance: 30PPM @ + 25C 3C (typical). Temperature Stability: 30PPM (typical). Storage Temperature: - 40C to 85C. Mode of Vibration: "AT" Fundamental, "AT" 3rd Overtone. Load: 10 to 32pF or series resonant. Drive Level: 1mW maximum. Shunt Capacitance: 7pF maximum. Seal: Resistance weld. DIMENSIONAL CONFIGURATIONS [Numbers in brackets indicate millimeters] .453 [11.50] Max. .197 [5.0] Max. .406 [10.3] Max. .017 [0.43] .532 [13.5] Max. Optional 3rd Lead .020 [.51] .788 [20.0] Min. .192 .008 [4.88 0.2] 1.0 [25.4] HOW TO ORDER XT49U MODEL R OTR Blank = Standard R = - 40C to + 85C - 20 LOAD Blank = Series - 16 = 16pF - 20 = 20pF - 30 = 30pF - 32 = 32pF W3 OPTIONS Blank = Standard W3 = 3rd Lead SL = Sleeve SP = Spacer CT = Cut Leads 4M FREQUENCY/MHZ www.vishay.com 8 Document Number 35015 Revision 06-Jan-00 |
Price & Availability of XT49U
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