The UN0604N5R2-PD56 from UN Semiconductor is a MOSFET with Continous Drain Current 48 A, Drain Source Resistance 5.2 to 8.5 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.4 to 2.2 V. Tags: Surface Mount. More details for UN0604N5R2-PD56 can be seen below.