B72220S0551K101 is a type of radial leaded capacitor manufactured and sold by TDK Corporation. It is an aluminium electrolytic capacitor with a rated voltage of 50 V and a capacitance of 0.0051 µF. It has a tolerance of ±20% and an operating temperature range from -40°C to 105°C. The capacitor utilizes a snap-in mounting system that allows for easy installation and replacement.