The TPCP8109 from Toshiba is a MOSFET with Continous Drain Current -4.5 A, Drain Source Resistance 4.3 to 76.8 Milliohm, Drain Source Breakdown Voltage -40 V, Gate Source Voltage -20 to 10 V, Gate Source Threshold Voltage -3 to -2 V. Tags: Surface Mount. More details for TPCP8109 can be seen below.