TFE202W32K7680R CTS

TFE20 Series Low ESR Tuning Fork Crystal Features 32.7680kHz Frequency Reference Low ESR Tuning Fork Crystal Design, <50k Ohms Hermetic Ceramic Surface Mount Package Ideal for High Density Circuit Boards Part Dimensions: 2.0 1.2 0.6mm 4.5926mg Frequency Tolerance, 20ppm Standard Parabolic Temperature Coefficient Tape and Reel Packaging, EIA-418 Applications Real Time Clock Reference Battery Powered Applications Low Power FPGAs & MCUs Portable Electronics Wearable Electronics Data Loggers Healthcare Devices Smart Meters Description CTS TFE20 Series is designed to pair with low power microcontrollers requiring a Real Time Clock reference with an ESR of 50k Ohms maximum. This series will support general commercial and industrial applications. Ordering Information Frequency Load Frequency Code Model Packaging kHz Tolerance Capacitance P TF E20 2 32K7680 R Package Capacitance Packing Code Code Code Low ESR 12.5pF 3k pcs./reel E P R 2.0x1.2mm 9pF 20 J 7pF V 5pF W +25C Frequency Code Code 20ppm 2 1 Product Frequency Code 10ppm 1 Notes: 1 Frequency is recorded with two leading digits before the K and 4 significant digits after the K including zeros . Not all performance combinations and frequencies may be available. Contact your local CTS Representative or CTS Customer Service for availability. This product is specified for use only in standard commercial applications. Supplier disclaims all express and implied warranties and liability in connection with any use of this product in any non-commercial applications or in any application that may expose the product to conditions that are outside of the tolerances provided in its specification. DOC 008-0561-0 Rev. D Page 1 of 4 2017 CTS Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. TFE20 Series Low ESR Tuning Fork Crystal Electrical Specifications Operating Conditions PARAMETER SYMBO L CO NDITIO NS MIN TYP MAX UNIT Operating Temperature T - -40 +25 +85 C A Turnover Temperature T - +20 +25 +30 C M Storage Temperature T - -55 - +125 C STG Frequency Stability PARAMETER SYMBO L CO NDITIO NS MIN TYP MAX UNIT Frequency f - 32.7680 kHz O Frequency Tolerance f/f Standard +25C -20 - 20 ppm O Note 1 2 -0.034 0.006 Parabolic Coefficient See Figure 1 ppm/C Aging f/f First Year +25C -3 - 3 ppm 0 Crystal Parameters PARAMETER SYMBO L CO NDITIO NS MIN TYP MAX UNIT Flexural Mode Tuning Fork Operating Mode - - - Load Capacitance C Standard - 12.5 - pF L Note 1 Shunt Capacitance C - - 1.8 - pF 0 Motional Capacitance C - - 9.5 - fF 1 Series Resistance R - - - 50 k 1 Drive Level DL - - 0.1 0.5 W Insulation Resistance R +100Vdc 15Vdc 500 - - M i 1. See Ordering Information for available options. Figure 1 Frequency Stability f at a given temperature, 2 f = T -T A M = Parabolic Coefficient Ex. Find frequency stability at T = +45C A 2 T = Ambient Temperature A f = -0.034 45-25 2 T = Turnover Temperature M f = -0.034 20 f = -13.6ppm DOC 008-0561-0 Rev. D Page 2 of 4 2017 CTS Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.