Crystal unit Product Number kHz RANGE CRYSTAL UNIT MC-146 : Q1xMC1462xxxx0X MC-146 / MC-146 TYPE Frequency range : MC-14632.768 kHz : MC-146 TYPE32 kHz to 100 kHz External dimension : 7.0 1.5 1.4 mm Overtone order : Fundamental Applications : Small communications devices Specifications (characteristics) Specifications Item Symbol Conditions / Remarks MC-146 MC-146 TYPE Nominal frequency range f nom 32.768 kHz 32 kHz to 100 kHz Please contact us about available frequencies. Storage temperature T stg -55 C to +125 C Storage as single product. Operating temperature T use -40 C to +85 C Level of drive DL 1.0 W Max. Operating Drive level 0.5 W Max. -6 -6 -6 -6 Frequency tolerance (standard) f tol 20 10 , 50 10 50 10 , 100 10 +25 C, DL=0.1 W Turnover temperature Ti +25 C 5 C -6 2 Parabolic coefficient B -0.04 10 / C Max. Load capacitance CL 7 pF, 9 pF, 12.5 pF Please specify Motional resistance (ESR) R1 65 k Max. 65 k to 25 k Motional capacitance C1 1.9 fF Typ. 2.5 fF to 0.6 fF Shunt capacitance C0 0.8 pF Typ. 1.2 pF to 0.5 pF -6 -6 Frequency aging f age 3 10 / year Max. 5 10 / year Max. +25 C, First year Product name MC-146 32.768000kHz 12.5 +20.0-20.0 (Standard form) -6 Model Frequency Load capacitance(pF) Frequency tolerance( 10 , +25 C) External dimensions (Unit:mm) . Internal connection 4 3 (TOP VIEW) 4 3 E A 9 9 2 1 6.7 1 2 7.0 Max. 0.1 0.1 0.4 0.4 0.2 0.2 1 2 4 3 0.2 Do not connect 2 and 3 to external device. The metal case inside of the molding compound may be exposed on the top or bottom of this product. This purely cosmetic and does not have any effect on quality, reliability or electrical specs. Footprint (Recommended) (Unit:mm) 6.3 1.2 0.9 0.55 0.3 0.3 0.25 0.15 1.5 Max. 1.4 Max. 0.6 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 ISO 14000 is an international standard for environmental improvements. The environmental management system (EMS) management that was established by the International operates under the ISO 14001 environmental management standard. Standards Organization in 1996 against the background of All of our major manufacturing and non-manufacturing sites, in growing concern regarding global warming, destruction of the ozone layer, and global deforestation. Japan and overseas, completed the acquisition of ISO 14001 certification. WORKING FOR HIGH QUALITY In order provide high quality and reliable products and services IATF 16949 is the international standard that added the than meet customer needs, Seiko Epson made early efforts towards sector-specific supplemental requirements for automotive obtaining ISO9000 series certification and has acquired ISO9001 for industry based on ISO9001. all business establishments in Japan and abroad. We have also acquired IATF 16949 certification that is requested strongly by major automotive manufacturers as standard. 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 ). NOTICEPLEASE READ CAREFULLY BELOW BEFORE THE USE OF THIS DOCUMENT Seiko Epson Corporation 2020 1. The content of this document is subject to change without notice. Before purchasing or using Epson products, please contact with sales representative of Seiko Epson Corporation (Epson) for the latest information and be always sure to check the latest information published on Epsons official web sites and resources. 2. This document may not be copied, reproduced, or used for any other purposes, in whole or in part, without Epsons prior consent. 3. Information provided in this document including, but not limited to application circuits, programs and usage, is for reference purpose only. 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