The UPA2660T1R from Renesas is a MOSFET with Continous Drain Current -4 to 4 A, Drain Source Resistance 33 to 62 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -12 to 12 V, Gate Charge 4.5 nC. Tags: Surface Mount. More details for UPA2660T1R can be seen below.