CC7A-T1A AT Crystal 24 MHz – 50 MHz DIMENSIONS Package: Recommended Solder Pad: 3,2 1,5 1,0 1,8 0,7 max.0,90 1,5 0,7 1,0 All dimensions in mm typical 100% leadfree, RoHS - compliant Ultra miniature suitable for implantable medical application SMT ceramic package package height 0.9 mm add 0.75mm on request Fundamental mode up to 50MHz Ind. and Ext. temperature ranges High stability and low aging High shock and vibration resistance Hermetically sealed Ultra low MSL Excellent solderability Swiss made quality Customer specification on request ELECTRICAL CHARACTERISTICS AT 25oC: DESCRIPTION: This quartz Crystal in SMD ceramic package has been specially designed with Micro Crystal photolitographic process for surface mount using infrared, vapor phase or epoxy technics Applications: - Implantable medical devices (Pacemakers, Defibrillators, Pumps) - Optical nertwork - Satellite communications - Airborne equipments -Telemetry The crystals are supplied in trays (288 crystals per tray). For pick-and-place equipment, the parts are available in 12mm tapes: 7”with 1’000 crystals 7”with 3’000 crystals Frequency Range FL 24 – 50 MHz Load capacitance 1) CL 3.0 / 9.0 / 16.0 pF Frequency tolerance at +25°C 2) ΔF/F +/-50 ppm Frequency versus temperature TB: –40 to +85°C TC: –55 to +125°C 3) ΔF/F0 +/-50 +/-100 ppm Drive level typ/max P 100/250 µW Insulation resistance min. Ri 500 MΩ ΔF/F +/-3 ppm Aging first year max. 1) Other load capacitances on request; e.g. CL: 20 pF 2) Tighter and wider frequency tolerances on request; e.g. +/-20 ppm 3) Tighter thermal stability on request; e.g. +/-10 ppm from 0°C to +55°C Frequency [MHz] Rs[Ω] typ/max C1 [fF] typ/max Co [pF] typ 24 to < 50 60 / 100 1/3 0.7 STANDARD FREQUENCIES: Frequency MHz 24.0000 25.0000 26.0000 26.5000 27.0000 40.0000 Other frequencies from 24 MHz up to 50 MHz on request ENVIRONMENTAL CHARACTERISTICS: Conditions Storage temp. range –55 to +125°C TB Operating temperature range –40 to +85°C TC Extended operating temp. range –55 to +125°C Shock resistance 5000 g, 0.3 ms, ½ sine Vibration resistance TERMINATIONS AND PROCESSING: PRODUCT DESCRIPTION AND ORDERING INFORMATION: 20 g / 10–2000 Hz Type Termination Processing CC7A-T1A For SMD mounting Au plated pads Reflow soldering +260°C / 20 s max. CC7A-T3A For SMD mounting Sn/Ag/Cu plated Reflow soldering +260°C / 20 s max. CC7A–T1A 26.0 MHz 9.0pF +/-50ppm TB QI Frequency FL CL Load Capacitance 3.0 pF 9.0 pF 16.0 pF Frequency tolerance +/- 50 ppm +/- 100 ppm Temperature Range TB = - 40 to +85°C (Standard) TC = - 55 to +125°C Optional: if not defined, ‚Standard‘ will apply Qualification QI = Industrial (Standard) QM = Medical QS = Custom Specification A unique part number will be generated for each product specification, i.e: 20xxxx-MG01 1'000 pcs (in 12mm tape on 7" reel) 20xxxx-MG03 3'000 pcs (in 12mm tape on 7" reel) 20xxxx-EA00 xxx pcs (in plastic tray) xx 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 3.0/02.2015