The DMT15H053SSS from Diodes Incorporated is a MOSFET with Continous Drain Current 5.2 to 15 A, Drain Source Resistance 41 to 53 Milliohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for DMT15H053SSS can be seen below.