ARThe electronic part 20D751K with Varistors 615V 750 (675~825) 1240V 6.5KA Through Hole RoHS is a transient voltage protection device manufactured by COVAR. It is a metal-oxide varistor (MOV) designed for use in the telecommunications and HVAC (heating, ventilation, and air conditioning) industries. The 20D751K has an operating voltage of 615V and a Clamping Voltage of 750 V (675~825V). It is rated for 1240V and 6.5KA, ensuring that it can handle a high surge current without damage. The 20D751K is packaged in a through-hole design, meeting the RoHS (Restriction of Hazardous Substances) specifications for environmental safety.