The CNR-07D241KBTSA is a Varistor Through Hole RoHS Electronic Component manufactured by CNR. It is a cylindrical, two-terminal, non-linear electronic component made from special materials and designed to protect an electronic circuit from voltage transients, such as those occurring from switching transients, inductive load switching, and lightning strikes. This Varistor can withstand an operating voltage of 250VAC and a maximum operating temperature of 85°C. It is RoHS compliant and is available in several sizes, ranging from 2.8mm to 9mm.