The RM30N250DF from Rectron Semiconductor is a MOSFET with Continous Drain Current 29 A, Drain Source Resistance 50 to 64 milliohm, Drain Source Breakdown Voltage 250 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for RM30N250DF can be seen below.