What are mosfet transistors, gate terminal, Types of mosfet, mosfet module

 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