The BFC61 from TT Electronics is a MOSFET with Continous Drain Current 3.6 A, Drain Source Resistance 4000 milliohm, Drain Source Breakdown Voltage 1000 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for BFC61 can be seen below.