The TSM4ND60CI from Taiwan Semiconductor is a MOSFET with Continous Drain Current 4 A, Drain Source Resistance 1700 to 2200 milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 3.8 V. Tags: Through Hole. More details for TSM4ND60CI can be seen below.