The TN2540 from Microchip Technology is a MOSFET with Continous Drain Current 0.175 to 0.26 A, Drain Source Resistance 300 to 1000 milliohm, Drain Source Breakdown Voltage 400 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.6 to 2 V. Tags: Through Hole, Surface Mount. More details for TN2540 can be seen below.