The IRFP17N50L from Vishay is a MOSFET with Continous Drain Current 16 A, Drain Source Resistance 320 milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Through Hole. More details for IRFP17N50L can be seen below.