The IRFY230 from TT Electronics is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 400 to 490 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IRFY230 can be seen below.