The SiZ340ADT-T1-GE3 from Vishay is a MOSFET with Continous Drain Current 13.7 to 69.9 A, Drain Source Resistance 3.57 to 14.4 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 SiZ340ADT-T1-GE3 can be seen below.