The DMTH3004LK3 from Diodes Incorporated is a MOSFET with Continous Drain Current 21 A, Drain Source Resistance 3.3 to 7 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -16 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for DMTH3004LK3 can be seen below.