The 2N5003DW from GALAXY CENTURY MICROELECTRONICS is a MOSFET with Continous Drain Current 0.3 A, Drain Source Resistance 1100 to 4000 milli-ohm, Drain Source Breakdown Voltage 50 V, Gate Source Voltage ±20 V, Gate Source Threshold Voltage 0.5 to 1 V. Tags: Surface Mount. More details for 2N5003DW can be seen below.