The MMIX1F230N20T from Littelfuse is a MOSFET with Continous Drain Current 156 A, Drain Source Resistance 8.3 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for MMIX1F230N20T can be seen below.