The 10D681K is an electronic component manufactured by Ruilongyuan, and is a Varistor with 560V 1120V 2.5KA rating. It is a through-hole device, and is RoHS compliant. It is designed to protect circuits from excessive voltage in applications such as high-temperature motors, air conditioners, home appliances, and more. It has a wide operating temperature range of -40 to +125°C, and fast response time to provide reliable circuit protection. It also has low leakage current, good dynamic characteristic, and self-recovery property.