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| CM7V-T1A 0.4 Tuning Fork Crystal 32.768 kHz DIMENSIONS Package: Recommended Solder Pad: 3,2 0,7 0,7 1,0 1,5 1,0 100% leadfree, RoHS - compliant max.0,38 1,5 All dimensions in mm typical Lowest profile SMT ceramic pack. Ultra low profile: 0.38 mm height SMD-package in Tape and Reel Ind. and Ext. temperature ranges High stability Low aging Low power consumption High shock and vibration resistance DESCRIPTION: This SMD ceramic package has been specially designed for ultra low profile telecom and smart-card applications. A special crystal manufacturing process is used to achieve improved electrical characteristics and a miniaturized blank size. For pick-and-place equipment, the parts are available in 12 mm tape: 7" (178 mm) reel with 3'000 crystals 13" (330 mm) reel with 14'000 crystals ELECTRICAL CHARACTERISTICS AT 25oC: Nominal Frequency Load capacitance Frequency tolerance Series resistance typ./max. Motional capacitance typ. Static capacitance typ. Drive level max. Insulation resistance min. Aging first year max. Turnover temperature Frequency vs. temperature 1) 2) FL CL F/F F/F RS C1 C0 P Ri F/F T0 F/F0 -0.035 ppm 32.768 7.0 / 9.0 / 12.5 +/-20 +/-100 55 / 80 4.4 1.6 0.5 500 +/-3 25 +/-5 /C (T - T0) +/-10% 2 1,8 kHz pF ppm ppm k fF pF W M ppm C ppm 3) 1) Other frequencies on request. 2) Other load capacitances on request. 3) Tighter and wider frequency tolerances on request. Version 1.1 / 10.2009 STANDARD FREQUENCIES: Frequency kHz 32.768 Other frequencies on request ENVIRONMENTAL CHARACTERISTICS: Storage temp. range Industrial operating temp. range Extended operating temp. range Shock resistance Vibration resistance Conditions -55 to +125C -40 to +85C -55 to +125C Max. Dev. F/F 5000 g, 0.3 ms, 1/2 sine F/F 20 g / 10-2000 Hz +/-5 ppm +/-5 ppm TERMINATIONS AND PROCESSING: Type CM7V-T1A 0.4 Termination For SMD mounting Au flashed pads Processing Reflow soldering 260C / 20 s max. PART NUMBER/ ORDERING INFORMATION EXAMPLE: C M 7 V - T 1 A 0.4 32.768 kHz 9.0 pF +/-20 ppm Frequency tolerance Crystal package C = Crystal in ceramic package Package lid M = Metal lid Package size 7 = 3.2 x 1.5 x 0.38 mm Blank V = Tuning fork Load capacitance CL Frequency FL Thickness max. 0.38 mm Package pad form A = Pads on both ends Pad plating 1 = Au flashed pads Package type T = For SMD mounting 10.09 All specifications subject to change without notice. Micro Crystal AG Muhlestrasse 14 CH-2540 Grenchen Switzerland Tel. +41 32 655 82 82 Fax +41 32 655 82 83 sales@microcrystal.ch www.microcrystal.com Version 1.1 / 10.2009 |
Price & Availability of CM7V-T1A04
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