The S1T66128ZWJAC is a 6.6128MHz SMD crystal resonator manufactured by JYJE. It is housed in a small, two-pin HC-49S-SMD package, making it ideal for use in space-constrained applications. The device has a wide temperature range, operating from -40? to +85?, and is RoHS compliant. Its load capacitance is 20pF, while its resistance is 70O. It has tight frequency stability of ±20ppm and ±30ppm. This device is suitable for battery-operated equipment like watches, medical implants, and sensors.