erniceThe SFR315K is a SAW resonator with SMD3225 packaging, manufactured by Sfernice. It is RoHS compliant and operates at 315kHz. It has a frequency stability of ±50 ppm over -20 to +80°C and an equivalent series resistance of 40 ohms. The SFR315K is a 0.32 × 0.25 inch package, and its operating temperature range is -40 to +85°C. It is ideal for use in industrial, automotive, medical, and other applications.