R46KI21005001K is a silicon oxide film capacitor by Kemet. This capacitor has a capacitance of 0.5uF, a voltage rating of 250 Vac, a climatic category of ni40-85/21, a tolerance of +/- 10%, a termination style of through hole, and a lead spacing of 5.08mm. It has a RoHS compliant, flame-retardant, molded case with an operating temperature range of -55 to +125°C. It is part of Kemet's K Open Series.