The TD9944 from Microchip Technology is a MOSFET with Continous Drain Current 1 A, Drain Source Resistance 4000 to 6000 milliohm, Drain Source Breakdown Voltage 240 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.6 to 2 V. Tags: Surface Mount. More details for TD9944 can be seen below.