CM7V-T1A 0.4 Tuning Fork Crystal 32.768 kHz DIMENSIONS Package: Recommended Solder Pad: 3,2 1,5 1,0 1,8 0,7 max.0,38 1,5 0,7 1,0 100% leadfree, RoHS - compliant 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 ELECTRICAL CHARACTERISTICS AT 25oC: All dimensions in mm typical 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 8 mm tape: 7” (178 mm) reel with 1’000 crystals 7” (178 mm) reel with 3’000 crystals 13” (330 mm) reel with 14’000 crystals Nominal Frequency 1) FL 32.768 kHz Load capacitance 2) CL 7.0 / 9.0 / 12.5 pF Frequency tolerance 3) ΔF/F +/-20 ppm ΔF/F +/-100 ppm Series resistance typ./max. RS 55 / 80 kΩ Motional capacitance typ. C1 3.5 fF Static capacitance typ. C0 1.4 pF Drive level max. P 0.5 μW Insulation resistance min. Ri 500 MΩ Aging first year max. ΔF/F +/-3 ppm Turnover temperature T0 Frequency vs. temperature ΔF/F0 –0.035 1) Other frequencies on request. 2) Other load capacitances on request. 3) Tighter and wider frequency tolerances on request. 25 +/-5 ppm °C 2 /°C² (T - T0) +/-10% ppm STANDARD FREQUENCIES: Frequency kHz 32.768 Other frequencies on request ENVIRONMENTAL Conditions CHARACTERISTICS: Storage temperature range –55 to +125°C TA Operating temperature range TERMINATIONS AND PROCESSING: PRODUCT DESCRIPTION AND ORDERING INFORMATION: Max. Dev. –40 to +85°C Shock resistance ΔF/F 5000 g, 0.3 ms, ½ sine +/-5 ppm Vibration resistance ΔF/F +/-5 ppm 20 g / 10–2000 Hz Type Termination Processing CM7V-T1A 0.4 For SMD mounting Au plated pads Reflow soldering 260°C / 20 s max. CM7V–T1A 0.4 32.768kHz 12.5pF +/-20ppm TA QC Frequency FL CL Load Capacitance 7.0 pF 9.0 pF 12.5 pF Frequency tolerance +/- 20 ppm +/- 100 ppm Temperature Range TA = - 40 to 85°C (Standard) Optional: if not defined, ‚Standard‘ will apply Qualification QC = Commercial (Standard) A unique part number will be generated for each product specification, i.e: 20xxxx-MC01 1'000 pcs (in 8mm tape on 7" reel) 20xxxx-MC03 3'000 pcs (in 8mm tape on 7" reel) 20xxxx-PC14 14'000 pcs (in 8mm tape on 13" reel) Please contact us. All specifications subject to change without notice. Micro Crystal AG Mühlestrasse 14 CH-2540 Grenchen Switzerland Tel. +41 32 655 82 82 Fax +41 32 655 82 83 [email protected] www.microcrystal.com Version 2.2 / 02.2011