The DMNH4011SK3 from Diodes Incorporated is a MOSFET with Continous Drain Current 50 A, Drain Source Resistance 10 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for DMNH4011SK3 can be seen below.