The ECX-306X is a compact SMD Tuning Fork Crystal. The 3.8 x 8.0 x 2.5 mm package is ideal for todays SMD manufacturing environment. ECX-306X SMD CRYSTAL Request a Sample ECX-306X SMD CRYSTAL Low Profile Long Term Stability Industry Standard Footprint Extended Temp. Range RoHS Compliant DIMENSIONS (mm) OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Frequency Frequency Tolerance Load Capacitance Drive Level Equivalent Series Resistance Turnover Temp.