The TSM4806CS from Taiwan Semiconductor is a MOSFET with Continous Drain Current 28 A, Drain Source Resistance 16 to 31 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 0.3 to 1 V. Tags: Surface Mount. More details for TSM4806CS can be seen below.