The RM20D201KE1IE100 is a varistor manufactured by Dersonic for use in commercial and industrial applications. It is designed to protect against electrical over-voltage problems with a rated voltage of 340 V, a rated wattage of 1 W, a Joule rating of 95 J, a capacitance of 2000 pF at 1 kHz, temperature coefficients of 170 V, 130 V, and 200 V, a maximum clamping current of 4.5 kA, and a body size of 10 mm. This device is RoHS approved and features a radial leaded design.