The IQXC-42 from IQD Frequency Products is a Quartz Crystal with a resonant frequency from 16 to 50 MHz. It has a frequency stability of ±100 ppm over the operating temperature range. This crystal has a load capacitance from 8 to 30 pF and a drive level power of 100 uW. The IQXC-42 is available in a 4-pad hermetically-sealed ceramic package that measures just 2.0 x 1.3 x 0.5 mm with a seam-sealed metal lid. This quartz crystal is designed to withstand up to 1000G shock levels according to the IEC 60068-2-27 standard.