The 05D560K Varistor with a 45V, 56 (50~62) 123V voltage rating manufactured by China Opto Volt Co. Limited (COV) is a through-hole design with 100A current flow capability that is RoHS compliant. The varistor is suitable for various applications for overvoltage and overcurrent protection, such as surge suppressors, fuses, and other circuit protection devices. The varistor also helps to filter electrical noise and reduce the effects of electrical transients.