The DMN3190LDWQ from Diodes Incorporated is a MOSFET with Continous Drain Current 1 A, Drain Source Resistance 122 to 335 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 2.8 V. Tags: Surface Mount. More details for DMN3190LDWQ can be seen below.