The HD-Crystal 7B031250R01 SMD Crystal Resonator is a frequency control device designed for use in a range of electronics projects. It features a 31.25MHz allowed frequency with a ±10ppm tolerance, comes with a 3225-4P SMD package, and is compliant with RoHS standards. It is specifically designed for high-frequency, low-power applications where temperature stability is important. The device is ideal for use in communications electronics, industrial control systems, computer motherboards, and automotive applications.