The IXTA1R4N120P from Littelfuse is a MOSFET with Continous Drain Current 1.4 A, Drain Source Resistance 13000 Milliohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Surface Mount. More details for IXTA1R4N120P can be seen below.