The RM25N100DF from Rectron Semiconductor is a MOSFET with Continous Drain Current 25 A, Drain Source Resistance 20 to 38 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.8 V. Tags: Surface Mount. More details for RM25N100DF can be seen below.