The TSM340N06CH from Taiwan Semiconductor is a MOSFET with Continous Drain Current 30 A, Drain Source Resistance 28 to 40 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Through Hole. More details for TSM340N06CH can be seen below.