This is a 1uF 16V 0402 RoHS Multilayer Ceramic Capacitor (MLCC - SMD/SMT) from Samsung, with the model CL05A105KO5NNNC. It is tiny in size, measuring only 0.04" (1.02mm) by 0.02" (0.50mm). It has a rating of 16V and is RoHS compliant, meaning it is free from hazardous substances. This capacitor is perfect for use in applications that require a tight space, such as in cellular phones, computers and other electronic equipment. It is also ideal for use in audio devices, data processing and power-supply systems.