The FDPF55N06 from onsemi is a MOSFET with Continous Drain Current 55 A, Drain Source Resistance 22 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 4 V. Tags: Through Hole. More details for FDPF55N06 can be seen below.