The 560KD14J varistor manufactured by Yageo is a surface mount varistor with a disk-shaped construction and a diameter of 5 mm. It has an operating voltage of 25 VDC and a maximum breakdown voltage of 560VAC. It is designed to protect against transient voltage events such as those generated from lighting strikes or power surges. The RoHS specification indicates that this component is free from hazardous chemicals, making it more environmental friendly. It is typically used in control applications such as industrial automation systems, allowing a safe signal output even when subjected to transient voltage events.