The UPA2815T1S from Renesas is a MOSFET with Continous Drain Current -21 to 21 A, Drain Source Resistance 9 to 23 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Charge 47 nC. Tags: Surface Mount. More details for UPA2815T1S can be seen below.