The BS107KL-TR1-E3 from Vishay is a MOSFET with Continous Drain Current 0.25 to 0.3 A, Drain Source Resistance 2200 to 6000 milliohm, Drain Source Breakdown Voltage 240 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.8 to 2 V. Tags: Through Hole. More details for BS107KL-TR1-E3 can be seen below.