The 05D431K Varistor (VDR) is manufactured by COV and has a Through Hole RoHS form factor. It has a rated voltage of 350V and a normal working voltage of 430 (387~473) volts. It is rated at 400A withstanding surge power of 745V. It is ideal for a wide range of applications, including AC and DC blocking, EMI/RFI filtering, snubbing, and lightning protection/high voltage pre-charging. Its through-hole design makes it suitable for PCB installation in a range of surrounding temperatures.