The 1C237400AB0A is a SMD (Surface Mount Device) Crystal Resonator made by KDS and designed to operate at a frequency of 37.4 MHz with a tolerance of ±10ppm. It is made with an SMD-3225 design and is compliant with RoHS (Restriction of Hazardous Substances) preventative regulations. This part comes in a 5 pin dual in line package, and it has a capacitance accuracy tolerance of ±0.02pF, along with an operating temperature range of -30°C to +85°C. The 1C237400AB0A is designed to be used in cell phones, radios, navigation systems, GPS, and wireless communication systems.