The HBW121M1HTR-1010S from Surge Components is a Power Capacitor with Capacitance 120 µF, Voltage Rating 50 V, Equivalent Series Resistance (ESR) 28 mOhm, Operating Temperature -55 to 125 Degree C. Tags: Surface Mount, Polymer Capacitor. More details for HBW121M1HTR-1010S can be seen below.