The BD33HA5WEFJ from ROHM Semiconductor is a LDO Voltage Regulator with Input Voltage 4.5 to 8 V, Output Voltage 3.3 V, Dropout Voltage 300 to 500 mV, Output Current 0.5 A, Quiescent Current 0.6 mA. Tags: Surface Mount. More details for BD33HA5WEFJ can be seen below.