ECX-16R 32.768 KHz SMD Tuning Fork Crystal The miniature ECX-16R is a very compact low ESR SMD Tuning Fork Request a Sample Crystal. Low ESR ideal for RTC and low power Microcontrollers. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-16R SMD CRYSTAL PARAMETERS CONDITIONS ECX-16R 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 0.5 W Equivalent Series Resistance R1 60K Motional Capacitance 7.5 fF Turnover Temperature +20 +25 +30 C Lowest in class ESR Temperature Coefficient -0.02 -0.03 -0.040 ppm/C 1.6 x 1.0 mm Footprint Extended Temp. Range Shunt Capacitance Co 1.5 pF RoHS Compliant Aging (First Year) +25C 3C 3 ppm Applications: Wireless, 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 2) Suggested Land Pattern Figure 1) Top, Side, and Bottom views PART NUMBERING GUIDE: Example ECS-.327-12.5-16R-TR ECS - FREQUENCY ABBREVIATION LOAD PACKAGE CUSTOM OPTIONS PACKAGING Tolerance CAPACITANCE Blank = 20 ppm 12.5 = 12.5 pF ECS .327 = 32.768 KHz TR = Tape -16R = ECX-16R * C = 10 ppm 9 = 9 pF & Reel 7 = 7 pF 6 = 6 pF *Contact ECS for availability Rev.2020 th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com ECX-16R 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