The TSM6866SDCA from Taiwan Semiconductor is a MOSFET with Continous Drain Current 6 A, Drain Source Resistance 21 to 40 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.6 V. Tags: Surface Mount. More details for TSM6866SDCA can be seen below.