The MDD4N25RH from Magnachip Semiconductor is a MOSFET with Continous Drain Current 1.9 to 3.0 A, Drain Source Resistance 1.38 to 1.75 ohm, Drain Source Breakdown Voltage 250 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3.0 to 5.0 V. Tags: Surface Mount. More details for MDD4N25RH can be seen below.