What are these components in this schematic

componentsschematicstransistors

I have a schematic of my mobile phone. when i saw in the schematic, i saw two odd component. look:

schematic

  • For number one: What are these both components? What's the usage of
    these?
  • For number two: Is it a transistor? What's the difference between this
    component and a transistor?

Best Answer

1 NTHS5441 Power MOSFET −20 V, −5.3 A, P−Channel ChipFET

2 UNRF2A1001 NPN junction transistor IC - transistor + internal resistors (appears to be obsolete device from Panasonic)