The MRH25N12U3SF from Microchip Technology is a RF Transistor with Duty_Cycle 2%, Breakdown Voltage - Drain-Source 250 V, Voltage - Drain-Source (Vdss) 250 V, Voltage - Gate-Source (Vgs) ±20 V, Drain Current 7.8 to 12.4 A. Tags: Surface Mount. More details for MRH25N12U3SF can be seen below.