The UN300P88DE from UN Semiconductor is a MOSFET with Continous Drain Current -1.0 A, Drain Source Resistance 0.45 to 0.9 ohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -0.5 to -1.5 V. Tags: Surface Mount. More details for UN300P88DE can be seen below.