The KNP3508A with 80V 70A 11mO@10V,35A N Channel TO-220 MOSFETs ROHS is a power transistor manufactured by KIA. This part is typically used for high-current applications, in particular power management, motor control, audio switching, and power switching. It is a RoHS compliant part, which means that it meets stricter requirements for environmental friendly materials and does not contain hazardous substances like lead. It features an N-channel MOSFET with a peak drain-source voltage of 80V, drain current of 70A, gate threshold voltage of 11mV @ 10V, and a drain-source on-state resistance of 35A. This part offers reliable performance and is ideal for a variety of applications.