The TSM056NH04LCR from Taiwan Semiconductor is a MOSFET with Continous Drain Current 54 A, Drain Source Resistance 4 to 7.8 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -16 to 16 V, Gate Source Threshold Voltage 1.4 to 2.2 V. Tags: Surface Mount. More details for TSM056NH04LCR can be seen below.