The TN2124 from Microchip Technology is a MOSFET with Continous Drain Current 0.134 A, Drain Source Resistance 15000 to 30000 milliohm, Drain Source Breakdown Voltage 240 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.8 to 2 V. Tags: Surface Mount. More details for TN2124 can be seen below.