The SSM6L820R from Toshiba is a MOSFET with Continous Drain Current -4 to 4 A, Drain Source Resistance 30 to 157 milliohm, Drain Source Breakdown Voltage -20 to 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.2 to 0.4 V. Tags: Surface Mount. More details for SSM6L820R can be seen below.