What components are the power adapters？
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1. Secondary rectifier: The function is to change the low-voltage alternating current into low-voltage direct current.
2. Inductor coil (also known as choke): The main function is to reduce electromagnetic interference.
3. Power Adapter Fuse: When the current in the circuit is too large, the fuse will blow to protect other components.
4. Filter Capacitor: The function is to filter out the AC ripple in DC, which makes the circuit work more reliable.
5. PWMIC (Integrated Circuit): An important component of the drive switch and voltage regulation.
6. Rectifier bridge: The role is to convert 100-240V AC into DC power.
7. Switching transformer: The switching voltage is one of the core components in the switching power supply.
8. Secondary filter capacitor: It acts to filter out the ripple in low voltage DC.
9. Power adapter high-power switch tube: It is one of the core components in the switching power supply. The switching power supply can work “open and close”, and the switch tube is indispensable.
10. Varistor: Its function is that when the external voltage is too high, the resistance of the varistor becomes very small quickly, and the fuse in series with the varistor is blown, thereby protecting other circuits from being burned out.
