Crystal unit Product Number (please contact us) Q24FA20H0xxxx18 MHz RANGE CRYSTAL UNIT FA - 20H *Nominal frequency range *External dimensions *Overtone order *Applications : 12 MHz to 54 MHz : 2.5x 2.0x0.55 mm : Fundamental : Mobile phone, Bluetooth, W-LAN : ISM band radio, Clock for MPU Actual size Specifications (characteristics) Item Specifications For RF Reference Symbol Nominal frequency range f_nom 12.000 MHz to 54.000 MHz Storage temperature range Operating temperature range Level of drive T_stg T_use DL -40 C to +125 C -40 C to +85 C (+105 C) 100 W Max. 200 W Max. Frequency tolerance f_tol Frequency versus temperature f_tem characteristics Load capacitance CL Motional resistance (ESR) R1 Frequency aging f_age Conditions / Remarks For Clock 10 x 10 -6 30 x 10 -6 10 x 10 -6 30 x 10 -6 6 pF to As per table below -6 -6 1 x 10 to 3 x 10 / year Max. *1 Fundamental Please contact us about available frequencies. Storage as single product. Please contact us about +85 C < T_use Recommended: 1 W to 100 W +25 C Please contact us for inquiries. -20 C to +75 C Please contact us for inquiries. Please specify. -20 C to +75 C +25 C, First year *1 Please contact us for available frequency tolerances as they are dependent upon the nominal frequency. Motional resistance (ESR) Frequency 12.0 MHz f_nom < 16.0 MHz 16.0 MHz f_nom 25.0 MHz 25.0 MHz < f_nom 30.0 MHz 30.0 MHz < f_nom 35.0 MHz 35.0 MHz < f_nom 54.0 MHz Product name (Standard form) Motional resistance 150 Max. 80 Max. 60 Max. 50 Max. 40 Max. FA-20H 24.000000MHz 12.0 +10.0-10.0 -6 Model Frequency Load capacitance(pF) Frequency tolerance(x 10 , +25 C) In addition to the above mentioned specification item, please specify frequency temperature characteristics and operating temperature range in case of inquiry. External dimensions (Unit:mm) Footprint (Recommended) (Unit:mm) 2.50.1 #3 2.00.1 #4 1.7 Marking #1 0.55 Max. #2 0.7 1.4 0.8 0.5 0.65 C 0.3 Min. #4 1.1 #2 #1 #3 Internal c onnection (TO P VIEW ) #4 #3 #1 #2 #2 and #4 are conn ected to the co ve r. (Please connect to ground) 1.2 PROMOTION OF ENVIRONMENTAL MANAGEMENT SYSTEM CONFORMING TO INTERNATIONAL STANDARDS At Seiko Epson, all environmental initiatives operate under the Plan-Do-Check-Action (PDCA) cycle designed to achieve continuous improvements. The environmental management system (EMS) operates under the ISO 14001 environmental management standard. All of our major manufacturing and non-manufacturing sites, in Japan and overseas, completed the acquisition of ISO 14001 certification. ISO 14000 is an international standard for environmental management that was established by the International Standards Organization in 1996 against the background of growing concern regarding global warming, destruction of the ozone layer, and global deforestation. WORKING FOR HIGH QUALITY In order provide high quality and reliable products and services than meet customer needs, Seiko Epson made early efforts towards obtaining ISO9000 series certification and has acquired ISO9001 for all business establishments in Japan and abroad. We have also acquired ISO/TS 16949 certification that is requested strongly by major automotive manufacturers as standard. ISO/TS16949 is the international standard that added the sector-specific supplemental requirements for automotive industry based on ISO9001. Explanation of the mark that are using it for the catalog Pb free. Complies with EU RoHS directive. *About the products without the Pb-free mark. Contains Pb in products exempted by EU RoHS directive. (Contains Pb in sealing glass, high melting temperature type solder or other.) Designed for automotive applications such as Car Multimedia, Body Electronics, Remote Keyless Entry etc. Designed for automotive applications related to driving safety (Engine Control Unit, Air Bag, ESC etc ). Notice This material is subject to change without notice. Any part of this material may not be reproduced or duplicated in any form or any means without the written permission of Seiko Epson. The information about applied circuitry, software, usage, etc. written in this material is intended for reference only. Seiko Epson does not assume any liability for the occurrence of infringing on any patent or copyright of a third party. This material does not authorize the licensing for any patent or intellectual copyrights. When exporting the products or technology described in this material, you should comply with the applicable export control laws and regulations and follow the procedures required by such laws and regulations. You are requested not to use the products (and any technical information furnished, if any) for the development and/or manufacture of weapon of mass destruction or for other military purposes. You are also requested that you would not make the products available to any third party who may use the products for such prohibited purposes. These products are intended for general use in electronic equipment. When using them in specific applications that require extremely high reliability, such as the applications stated below, you must obtain permission from Seiko Epson in advance. / Space equipment (artificial satellites, rockets, etc.) / Transportation vehicles and related (automobiles, aircraft, trains, vessels, etc.) / Medical instruments to sustain life / Submarine transmitters / Power stations and related / Fire work equipment and security equipment / traffic control equipment / and others requiring equivalent reliability. All brands or product names mentioned herein are trademarks and/or registered trademarks of their respective. Seiko Epson Corporation