Mosfets transistor, Digital transistors, Audio mosfet, high voltage transistor

 STN3NF06L Series 60 V 0.1 Ohm N-Channel STripFET™ II Power MosFet - SOT-223

https://www.futureelectronics.com/p/semiconductors--discretes--transistors--mosfets/stn3nf06l-stmicroelectronics-3775400