The RM14D471KD17E100 is a varistor (surge resistor) manufactured by Dersonic. It has 775V rated voltage, 0.6W power rating, 118J energy rating, 385V clamping voltage, 430pF capacitance at 1kHz, 300V maximum working voltage, 470V peak operating voltage, and 2.5kA peak current rating. The component is leaded, the lead pitch is 7.5mm, and it is ROHS compliant.