CL05B221KBNC is a 22uF, 10V, SMT (surface mount technology) electrolytic capacitor manufactured by Samsung. It is a cylindrical capacitor with a lead spacing of 7.5mm and an operating temperature range of -40°C to 85°C. It is suitable for a range of applications requiring higher capacitance values in a smaller size, including energy storage, filtering, and decoupling.