CHThe 10D511K Varistors with 415V/845V Voltage Rating, 2.5 kA Surge Current Rating Through Hole, RoHS compliant manufactured by COVCH is a two-terminal, discrete, non-inductive, variable-resistance (surge) component that can protect electronic components from overloads, transients, and voltage spikes. This varistor has a maximum voltage of 845V and surge current rating of 2.5kA. It is constructed with zinc oxide in a glass capsule and is enclosed in a metal oxide package. The 10D511K varistor is RoHS compliant, making it safe and reliable to use for numerous applications. This part also ensures consistent performance to meet the tough demands of harsh and high frequency electronic circuits.