The 9C04000051 is a SMD crystal resonator manufactured by TXC Corporation with 4MHz ±50ppm frequency. It has a HC-49SMD mounting package. It is RoHS compliant. The specification sheet of this device provides information such as input and parallel capacitance, storage temperature range, operating temperature range, and frequency stability over temperature. It is ideal for applications such as clock oscillator designers, microcontroller, digital signal processor, and embedded circuits.