The SPB17N80C3 from Infineon Technologies is a MOSFET with Continous Drain Current 11 to 17 A, Drain Source Resistance 0.25 to 0.67 Mohm, Drain Source Breakdown Voltage 800 V, Gate Source Voltage 20 V, Gate Source Threshold Voltage 2.1 to 3.9 V. Tags: Through Hole. More details for SPB17N80C3 can be seen below.