The IRFBE30 from Vishay is a MOSFET with Continous Drain Current 4.1 A, Drain Source Resistance 3000 milliohm, Drain Source Breakdown Voltage 800 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IRFBE30 can be seen below.