Mosfet transistor, mosfet gate, Mosfet switch circuit, how mosfet works

 Single P-Channel 30 V 0.19 Ohm Surface Mount Power MosFet - SOT-23-3

https://www.futureelectronics.com/p/semiconductors--discretes--transistors--mosfets/si2303cds-t1-ge3-vishay-8301012