The UPA1873GR from Renesas is a MOSFET with Continous Drain Current -6 to 6 A, Drain Source Resistance 13 to 29 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -12 to 12 V, Gate Charge 9 nC. Tags: Surface Mount. More details for UPA1873GR can be seen below.