The SML25SCM650N2B from TT Electronics is a MOSFET with Continous Drain Current 25 A, Drain Source Resistance 120 to 150 milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -6 to 22 V, Gate Source Threshold Voltage 1.6 to 4 V. Tags: Surface Mount. More details for SML25SCM650N2B can be seen below.