X3S025000BA1H-R with SMD Crystal Resonators 25MHz ±10ppm SMD-3225_4P RoHS is a surface mount crystal resonator manufactured by Harmony. It is a 27MHz crystal, with a tolerance of 10ppm/1kHz, and is RoHS compliant. It is a 3225 miniature SMD package with 4 pads, and is designed for automatic mounting. It can be used to generate a stable and precise frequency for a variety of applications, such as clock generation, timing, and signal separation. This type of resonator is suitable for a wide variety of low-power applications.