The MDIS4N65BTH from Magnachip Semiconductor is a MOSFET with Continous Drain Current 2.3 to 3.65 A, Drain Source Resistance 1.8 to 2.2 ohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.0 to 4.0 V. Tags: Surface Mount. More details for MDIS4N65BTH can be seen below.