The P66F7R5SN from Shindengen America is a MOSFET with Continous Drain Current 66 A, Drain Source Resistance 4 to 5 milliohm, Drain Source Breakdown Voltage 75 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for P66F7R5SN can be seen below.