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| SM Crystal Ceramic Surface Mount Crystal The SM7 series incorporates a sub-miniature AT-cut strip crystal resonator housed in a miniature 5.0x3.2x0 9mm ceramic package. These compact crystals are ideal for surface mount, densely-populated PCB applications. * * * * * SM7 RoHS Compliant Rugged AT-cut crystal construction Ultra miniature for maximum spacing saving Ideally suited for disc driver, PCMCIA, PC'S and hand-held products Tight specifications available Complies with Directive 2002/95/EC (RoHS Compliant) Specifications: Frequency Range: 12 MHz ~ 45 MHz 36 MHz ~ 121 MHz Operating Temperature: 0C ~ +50C -10C ~ +60C -20C ~ +70C -40C ~ +85C Storage Temperature: Frequency Tolerance: (at 25C) -55C ~ +125C 50 ppm 30 ppm 20 ppm 10 ppm Frequency Stability: (over temperature range) 50 ppm 30 ppm 20 ppm 10 ppm Circuit Condition: Equivalent Series Resistance: -50 -30 -20 -10 -50 -30 -20 -10 Fundamental Overtone -A -B -C -L SM7 All dimensions are in mm 6 pF ~ 50 pF or series Maximum resistance corresponds to frequency. Please see ESR table. Typically 50. Marking: Line 1 : XX.XXX - Frequency in MHz (6 digit) Line 2 : YWW - Year and Week No. Drive Level: Shunt Capacitance: Aging: Optional Features: 10 W Typical 7 pF max 2 ppm max per year Fundamental 3 ,5 ,7 O.T. Tape & Reel rd th th Ordering Information Frequency Stability Vs. Temperature Range Temperature Range \ PPM A B C L Standard 0C ~ +50C -10C ~ +60C -20C ~ +70C -40C ~ +85C X N/A X X X 5 10 15 -F - 3, 5, 7 -T Available Upon Request Note: 1. Other frequencies, tolerances, stabilities, and operating temperature ranges available. Consult VTC Support for specific requirements. Product name + CL + Operating Temperature Range + Tolerance + Stability + Other Code + Frequency. i.e. SM7-20-C-10-10-F-T-16.000MHz 2. Not all combinations of the above tolerances, stabilities, and temperature ranges are available. Consult VTC Support if your requirement is not standard. 3. All specifications subject to change without notice. Phone: +86 (10) 5820-3910 (c) 2006 by Vanlong Technology Co., Ltd. Fax: +86 (10) 5820-3915 Email: sales@vanlong.com Web: http://www.vanlong.com SM7 |
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