The SiUD402ED-T1-GE3 from Vishay is a MOSFET with Continous Drain Current 1 A, Drain Source Resistance 570 to 1800 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 0.4 to 0.9 V. Tags: Surface Mount. More details for SiUD402ED-T1-GE3 can be seen below.