The SiZ320DT-T1-GE3 from Vishay is a MOSFET with Continous Drain Current 13.7 to 40 A, Drain Source Resistance 3.53 to 12.7 milliohm, Drain Source Breakdown Voltage 25 V, Gate Source Voltage -12 to 16 V, Gate Source Threshold Voltage 1.1 to 2.4 V. Tags: Surface Mount. More details for SiZ320DT-T1-GE3 can be seen below.