ECX-12L 32.768 KHz SMD Tuning Fork Crystal The ultra-minature ECX-12L is a very compact SMD Tuning Fork Crystal. The 2.0 x 1.2 x 0.38 mm ceramic package is ideal for today’s SMD manufacturing environment. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-12L SMD CRYSTAL PARAMETERS CONDITIONS ECX-12L MIN TYP Frequency Load Capacitance Specify in P/N 12.5 Drive Level DL 0.1 Equivalent Series Resistance R1 Temperature Coefficient Shunt Capacitance 0.5 μW 100K Ω fF +20 +25 +30 °C -0.02 -0.03 -0.040 ppm/°C² Co Aging (First Year) ppm pF 7.0 Turnover Temperature DIMENSIONS (mm) KHz ± 20 * @ +25°C Motional Capacitance Low Profile 0.38 mm H 2.0 x 1.2 mm Footprint Extended Temp. Range RoHS Compliant Applications: Automotive, COTS, Industrial, IOT MAX 32.768 Frequency Tolerance UNITS 1.3 @ +25°C ±3°C pF ±3 ppm Operating Temperature Topr -40 +85 °C Storage Temperature Tstg -55 +125 °C 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-.327-12.5-12L-TR ECS - FREQUENCY ABBREVIATION ECS .327 = 32.768 KHz *Contact ECS for availability LOAD CAPACITANCE PACKAGE 12.5 = 12.5 pF 9 = 9 pF 7 = 7 pF 6 = 6 pF -12L = ECX-12L CUSTOM OPTIONS PACKAGING Tolerance Blank = ±20 ppm * C = ± 10 ppm TR = Tape & Reel 5K/Reel Rev.2017 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com ECX-12L 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