The EPC2031 from Efficient Power Conversion is a RF Transistor with Voltage - Drain-Source (Vdss) 60 V, Voltage - Gate-Source (Vgs) -4 to 6 V, Drain Current 48 A, Drain Leakage Current (Id) 0.1 to 0.8 mA (Drain-Source), Gate Leakage Current (Ig) 0.1 to 9 mA (Gate to Source). More details for EPC2031 can be seen below.