ECX-71 SMD CRYSTAL The minature ECX-71 is a very compact SMD Tuning Fork Crystal. The 7 x 1.5 x 1.4 mm plastic package is ideal for today’s SMD manufacturing environment. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS ECX-71 SMD CRYSTAL CONDITIONS ECX-71 MIN Frequency Fo Frequency Tolerance Load Capacitance 12.5 Drive Level DL 0.1 Equivalent Series Resistance R1 Shunt Capacitance ppm pF 1.0 μW 65K Ω +20 +25 +30 °C -0.025 -0.035 -0.045 ppm/°C² Co Aging (First Year) KHz ± 20 Specify in P/N Temperature Coefficient Low Profile 7 x 1.5 mm Footprint Extended Temp. Range RoHS Compliant MAX 32.768 @ +25°C Turnover Temperature TYP UNITS 0.8 @ +25°C ±3°C pF ±3 ppm Operating Temperature Topr -40 +85 °C Storage Temperature Tstg -55 +125 °C DIMENSIONS (mm) Figure 1) Top, Side, and Bottom views PAD CONNECTIONS 1 In/Out 4 Out/In Figure 2) Suggested Land Pattern PART NUMBERING GUIDE: Example ECS-.327-12.5-38-TR ECS - FREQUENCY ABBREVIATION ECS .327 = 32.768 KHz LOAD CAPACITANCE PACKAGE PACKAGING 12.5 = 12.5 pF 9 = 9 pF 7 = 7 pF 6 = 6 pF -38 = ECX-71 TR = Tape & Reel 3K/Reel Rev.2017 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com ECX-71 SMD CRYSTAL POCKET TAPE DIMENSIONS (mm) SOLDER PROFILE Peak solder Temp +260°C Max 10 sec Max. 2 Cycles Max. MSL 1, Lead Finish Sn Figure 1) Suggested Reflow Profile 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com