The STP5NK52ZD from STMicroelectronics is a MOSFET with Continous Drain Current 4.4 A, Drain Source Resistance 1220 to 1500 Milliohm, Drain Source Breakdown Voltage 520 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Through Hole. More details for STP5NK52ZD can be seen below.