The IRFBG20 from Vishay is a MOSFET with Continous Drain Current 1.4 A, Drain Source Resistance 11000 milliohm, Drain Source Breakdown Voltage 1000 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IRFBG20 can be seen below.