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 @ +25°C ± 20 * ppm Load Capacitance Specify in P/N 12.5 pF Drive Level DL 0.1 0.5 μW Equivalent Series Resistance R1 90K Ω Motional Capacitance 7.0 fF • Low Profile Turnover Temperature +20 +25 +30 °C • 2.0 x 1.2 mm Footprint • Extended Temp. Range Temperature Coefficient -0.02 -0.03 -0.040 ppm/°C² • RoHS Compliant Shunt Capacitance Co 1.3 pF • Applications: Automotive, Aging (First Year) @ +25°C ±3°C ±3 ppm COTS, Industrial, IOT Operating Temperature Topr -40 +85 °C 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 ECX-.327-12.5-12-TR ECS - FREQUENCY ABBREVIATION LOAD PACKAGE CUSTOM OPTIONS PACKAGING CAPACITANCE Tolerance ECX .327 = 32.768 KHz 12.5 = 12.5 pF -12 = ECX-12 Blank = ±20 ppm TR = Tape 9 = 9 pF * C = ± 10 ppm & Reel 7 = 7 pF 3K/Reel 6 = 6 pF *Contact ECS for availability Rev.2017 15351 West 109th 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 +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Au Figure 1) Suggested Reflow Profile 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com