The 2SK2009 from Toshiba is a MOSFET with Continous Drain Current 0.2 A, Drain Source Resistance 1200 to 2000 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.5 to 1.5 V. Tags: Surface Mount. More details for 2SK2009 can be seen below.