The SK830321KL from Panasonic Corporation is a MOSFET with Continous Drain Current 18 A, Drain Source Resistance 17 to 30 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 3 V. Tags: Surface Mount. More details for SK830321KL can be seen below.