The AS3T040A120H from SemiQ is a MOSFET with Continous Drain Current 44 to 62 A, Drain Source Resistance 38 to 63 milli-ohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -8 to 22 V, Gate Source Threshold Voltage 1.8 to 4 V. Tags: Through Hole. More details for AS3T040A120H can be seen below.