The TVR07681KSC9AY is a Varistor through hole package with a RoHS (Restriction of Hazardous Substances) compliant lead-free finish. It is a type of surge protection device designed to protect sensitive electronic components from sudden increases in voltage due to lightning strikes, electrical shorts, or other power disturbances. It has a working voltage range of 6.8V to 8.2V, and can withstand up to 1500A for 10/1000µs impulses. The TVR07681KSC9AY is manufactured by TKS and is designed for use in automotive, industrial, medical, and telecom applications.