The UN300DN36TE from UN Semiconductor is a MOSFET with Continous Drain Current 0.5 A, Drain Source Resistance 350 to 1200 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.5 to 1.5 V. Tags: Surface Mount. More details for UN300DN36TE can be seen below.