The NJW4184U2-33A from Nisshinbo Micro Devices is a LDO Voltage Regulator with Input Voltage -0.3 to 40 V, Output Voltage 3.3 V, Dropout Voltage 100 to 200 mV, Output Current 0.3 A, Quiescent Current 0.009 to 0.022 mA. Tags: Surface Mount. More details for NJW4184U2-33A can be seen below.