The ultra-minature ECX-34R is a very compact SMD Tuning Fork Crystal with a Max. ESR of 50K Ω. The 3.2 x 1.5 x 0.9 mm ceramic package is ideal for today’s SMD manufacturing environment. ECX-34R SMD CRYSTAL Request a Sample OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECX-34R SMD CRYSTAL PARAMETERS Frequency Frequency Tolerance CONDITIONS MIN Fo @ +25°C ECX-31B TYP MAX 32.768 ± 20 UNITS KHz ppm Temperature Coefficient Shunt Capacitance Load Capacitance Co Specify in P/N -.