B72220S0321K101 VARISTOR DISC 20MM 510V 8KA 320VAC 420VDC THT The B72220S0321K101, expertly manufactured by EPCOS (TDK), is a state-of-the-art component designed for varistor disc 20mm 510v 8ka 320vac 420vdc tht. Combining robust engineering with reliable performance, it is ideal for demanding applications. With a body size of 20.00mm, it is compact and easy to integrate. With a surge current capacity of 8kA, it protects circuits from overvoltage scenarios. This ROHS-compliant product meets stringent environmental and safety standards. Designed to meet modern performance requirements, the B72220S0321K101 is a dependable choice for professionals seeking precision and reliability.