COMThe 20E561K with Varistors Through Hole RoHS manufactured by COVCOM is a solid-state device designed to protect against transient voltage generated by electrostatic discharge, electrical overstress, and lightning-induced surge events. It operates on a wide range of transient voltage and is suitable for applications requiring high surge current capacity. The device features a high insulation resistance, low insertion loss, and excellent self-healing capabilities. The RoHS compliant device is supplied in an industry-standard TO-220 package.