The STP6NK90ZFP from STMicroelectronics is a MOSFET with Continous Drain Current 5.8 A, Drain Source Resistance 1560 to 2000 Milliohm, Drain Source Breakdown Voltage 900 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 4.5 V. Tags: Through Hole. More details for STP6NK90ZFP can be seen below.