Power mosfet, transistor mosfet, high voltage mosfet, mosfet mode,

 Single N-Channel 800 V 2.7 mOhm 16 nC CoolMOS™ Power Mosfet - PG-TO252-3

https://www.futureelectronics.com/p/semiconductors--discretes--transistors--mosfets/spd02n80c3atma1-infineon-9173917