Mosfet switch circuit, how mosfet works, High voltage mosfet,

 Single N-Channel 20 V 950 mOhm 1.82 nC 300 mW Silicon SMT Mosfet - SC-89-3

https://www.futureelectronics.com/p/semiconductors--discretes--transistors--mosfets/nte4153nt1g-onsemi-3998663