ECS-.327-6-34RR-TR ECS Inc

ECX-34RR SMD CRYSTAL The ultra-miniature ECX-34RR is a very compact SMD Tuning Request a Sample Fork Crystal with a Typical ESR of 20K . Low ESR part recommended by STMicroelectronics for the STM32 Microcontrollers. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS CONDITIONS ECX-34RR UNITS ECX- 34R SMD CRYSTAL MIN TYP MAX Frequency Fo 32.768 KHz Frequency Tolerance +25C 20 * ppm Load Capacitance Specify in P/N 12.5 pF Equivalent Series Resistance R1 20K 40K Drive Level DL 0.1 0.5 W Quality Factor Q 20K 30K Turnover Temperature +20 +25 +30 C Low Power RTC Applications Temperature Coefficient -0.028 -0.034 -0.040 ppm/C such as STM32 AN2867 Shunt Capacitance Co 1.3 1.6 pF 20K Typ ESR 3.2 x 1.5 mm Footprint Motional Capacitance C1 3.8 fF Extended Temp. Range Aging (First Year) +25C 3C 3 ppm RoHS Compliant Operating Temperature Topr -40 +85 C Storage Temperature Tstg -40 +85 C DIMENSIONS (mm) Insulation Resistance 100V DC 500M 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-.327-12.5-34RR-TR ECS - FREQUENCY ABBREVIATION LOAD PACKAGE CUSTOM OPTIONS PACKAGING Tolerance CAPACITANCE Blank = 20 ppm .327 = 32.768 KHz 12.5 = 12.5 pF ECS -34RR = ECX-34RR TR = Tape * C = 10 ppm 9 = 9 pF & Reel 6 = 6 pF 3K/Reel *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-34RR SMD 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