ECX-12 32.768 KHz SMD Tuning Fork Crystal The ultra-minature ECX-12 is a very compact SMD Tuning Fork Crystal. The 2.0 x 1.2 x 0.6 mm ceramic package is ideal for Request a Sample mobile devices, IoT, real time clocks, and industrial applications. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-12 SMD CRYSTAL PARAMETERS CONDITIONS ECX-12 UNITS MIN TYP MAX Frequency 32.768 KHz Frequency Tolerance +25C 20 * ppm Load Capacitance Specify in P/N 12.5 pF Drive Level DL 0.1 0.5 W Equivalent Series Resistance R1 90K Motional Capacitance 7.0 fF Low Power RTC Applications Turnover Temperature +20 +25 +30 C such as STM32 AN2867 Temperature Coefficient -0.02 -0.03 -0.040 ppm/C 2.0 x 1.2 mm Footprint Extended Temp. Range Shunt Capacitance Co 1.3 pF RoHS Compliant Aging (First Year) +25C 3C 3 ppm Applications: Automotive, Operating Temperature Topr -40 +85 C COTS, Industrial, IOT Storage Temperature Tstg -55 +125 C DIMENSIONS (mm) PAD CONNECTIONS 1 In/Out 2 Out/In Figure 1) Top, Side, and Bottom views Figure 2) Suggested Land Pattern PART NUMBERING GUIDE: Example ECS-.327-12.5-12-TR ECS - FREQUENCY ABBREVIATION LOAD PACKAGE CUSTOM OPTIONS PACKAGING Tolerance CAPACITANCE 12.5 = 12.5 pF Blank = 20 ppm ECS .327 = 32.768 KHz TR = Tape -12 = ECX-12 * C = 10 ppm 9 = 9 pF & Reel 7 = 7 pF 3K/Reel 6 = 6 pF *Contact ECS for availability Rev.2017 th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com ECX-12 32.768 KHz SMD Tuning Fork Crystal POCKET TAPE DIMENSIONS (mm) SOLDER PROFILE Peak solder Temp +260C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Au Figure 1) Suggested Reflow Profile th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com