The Epson SMD Crystal Resonator X1E0000210660 is an electronic component used for frequency control in various electronic devices. It is a 38.4MHz quartz oscillator with ±20ppm frequency stability over the specified temperature range. The resonator features an SMD package type, a TSX-3225 RoHS standard measurement circuit, and a single-ended port configuration. This versatile quartz resonator is ideal for frequency stabilization in oscillator, clock generator, and controller designs. It is RoHS compliant and is suitable for a wide range of commercial, military and medical applications.