The SiUD406ED-T1-GE3 from Vishay is a MOSFET with Continous Drain Current -0.5 A, Drain Source Resistance 1170 to 1850 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 0.4 to 1.1 V. Tags: Surface Mount. More details for SiUD406ED-T1-GE3 can be seen below.