CX18

CX18

CX18

Product catalog summary
Description: The CX18 AT-Cut Crystal is a high-performance, fundamental mode quartz crystal resonator designed for high-reliability applications. It features a 1.6 x 1.0 mm hermetically sealed ceramic package with a ceramic lid, offering high shock and vibration survival, helium impermeability, and excellent long-term aging characteristics. It is manufactured in the USA.
Features: The crystal is designed to withstand high shock and vibration, with a helium impermeable housing and broad operating temperature ranges. It is suitable for medical, military, aerospace, industrial, and communications applications.
Applications: The crystal is used in medical devices such as telemetry systems, cardiac rhythm management, neurostimulators, infusion pumps, and cochlear implants. In military and aerospace, it is used in avionic indicators, cockpit instrumentation displays, and telemetry. It is also applicable in industrial communications, transmitters, pulse generators, tracking beacons, and wildlife telemetry.
Specifications: The crystal operates at fundamental frequencies between 32.0 MHz and 49.0 MHz, with motional resistance ranging from 45 to 60 ohms and a quality factor (Q) between 60,000 and 80,000. It has a shunt capacitance of 0.5 pF and a load capacitance specified by the customer, with a standard of 9 pF. The drive level is a maximum of 100 µW.
Environmental Specifications: The crystal can survive shocks up to 75,000 g and vibrations of 20 g over a frequency range of 10-2,000 Hz. It operates within temperature ranges of -10°C to +70°C for commercial use, -40°C to +85°C for industrial use, and -55°C to +125°C for military use. The storage temperature range is -55°C to +125°C, with a maximum process temperature of 260°C for 20 seconds.
Ordering Information: The ordering code includes specifications for frequency, operating temperature range, frequency stability over temperature, calibration tolerance, special requirements, lid type, load capacitance, shock level, and terminations. The crystal is available with gold-plated terminations and various shock level codes ranging from 5,000 g to 75,000 g.
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Catalog excerpts

CX18-1

CX18 AT-CUT CRYSTAL 30 MHz to 100 MHz Miniature High Shock Quartz Crystal High performance, fundamental mode, AT-Cut quartz crystal resonator designed and manufactured for highreliability applications. FEATURES PACKAGE DIMENSIONS 1.6 x 1.0 mm hermetically sealed ceramic package with ceramic lid High shock and vibration survival Helium impermeable housing Excellent long-term aging characteristics Broad operating temperature ranges Designed and manufactured in the USA APPLICATIONS Medical Telemetry (MICS, BLE) Cardiac Rhythm Management Infusion Pumps Cochlear Implants Military and Aerospace Avionic Indicators and Instruments SUGGESTED LAND PATTERN Cockpit Instrumentation Displays Data Communications Telemetry Industrial and Communications Communications Transmitters Pulse Generators Tracking Beacons Wildlife Telemetry EQUIVALENT CIRCUIT PACKAGING OPTIONS Tray Pack Tape and Reel (per EIA 481). See Tape and Reel datasheet 10109. STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com STATEK PROPRIETARY ©2010 Statek Corporation. All rights reserved. Reproduction in whole or in part is prohibited. No licenses are conveyed, implicitly or otherwise, to any Statek intellectual property rights. Statek disclaims all liability arising from this information and its use.

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CX18-2

Specifications are typical at 25°C unless otherwise noted. Specifications are subject to change without notice. Tighter specifications available. Fundamental Frequency Quality Factor Q Shunt Capacitance C0 (pF) Calibration Tolerance1 Load Capacitance Customer specified (9 pF standard) Drive Level 100 µW MAX ±50 ppm to ±10 ppm (Commercial) ±50 ppm to ±20 ppm (Industrial) ±50 ppm to ±30 ppm (Military) Frequency-Temperature Stability1,2,3 Aging, First Year4 Shock Survival -10°C to +70°C (Commercial) -40°C to +85°C (Industrial) -55°C to +125°C (Military) Moisture Sensitivity Level (MSL) This component...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.