ECX-31B

Low Profile 3.2 x 1.5 mm Footprint Extended Temp. Range RoHS Compliant ECX-31B SMD TUNING FORK CRYSTAL The ultra-miniature ECX-31B is a very compact SMD Tuning Fork Crystal. The 3.2 x 1.5 x 0.9 mm ceramic package is ideal for today's SMD manufacturing environment. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Frequency Frequency Tolerance Load Capacitance Drive Level Equivalent Series Resistance Turnover Temperature Temperature Coefficient Shunt Capacitance First Year Aging Operating Temperature Storage Temperature Insulation Resistance Co +25°C ±3°C Topr Tstg @ 100V DC -40 -55 500M CONDITIONS FO @ +25°C Specify in P/N DL R1 +20 -0.028 +25 -0.034 1.05 ±3 +85 +125 12.5 0.1 1.0 70K +30 -0.040 ECX-31B MIN TYP 32.768 ± 20 MAX UNITS KHz ppm pF µW Ω °C ppm/°C² pF ppm °C °C Ω TOP, BOTTOM, SIDE VIEWS & LAND PATTERN PART NUMBERING GUIDE: Example ECS-.327-12.5-34B-TR ECS Frequency Abbreviation - Load Capacitance .327 = 32.768 KHz 12.5 = 12.5 pF 9 = 9 pF 7 = 7 pF Package Type Packaging -TR = Tape & Reel 3K/Reel -34B = ECX-31B 1105 South Ridgeview Road Olathe, KS 66062 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com