The 2SK208 from Toshiba is a Junction Field Effect Transistor (JFET) with Gate Source Voltage -30 V, Forward Transfer Admittance 1.2 mS, Continous Drain Current 0.3 to 6.5 mA, Gate Current 10 mA, Gate Reverse Current -1.0 nA. Tags: Surface Mount. More details for 2SK208 can be seen below.