390KM20 VARISTOR DISC 20MM 39V 3KA 25VAC 31VDC THT The 390KM20, expertly manufactured by YAGEO, is a state-of-the-art component designed for varistor disc 20mm 39v 3ka 25vac 31vdc 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 3kA, it protects circuits from overvoltage scenarios. The energy handling capacity of 28J ensures durability in high-stress conditions. It performs reliably within an operating temperature range of -40°C~+85°C. This ROHS-compliant product meets stringent environmental and safety standards. Designed to meet modern performance requirements, the 390KM20 is a dependable choice for professionals seeking precision and reliability.