The SiZ340BDT-T1-GE3 from Vishay is a MOSFET with Continous Drain Current 13.5 to 69.3 A, Drain Source Resistance 3.59 to 14.03 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -16 to 20 V, Gate Source Threshold Voltage 1.1 to 2.4 V. Tags: Surface Mount. More details for SiZ340BDT-T1-GE3 can be seen below.