The 16N50 from Goford Semiconductor is a MOSFET with Continous Drain Current 16 A, Drain Source Resistance 320 to 380 milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Through Hole. More details for 16N50 can be seen below.