What are the electronic components on the PCB board

Time：

2023-04-17 15:34

Source：

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Passive component

Passive components refer to components in a circuit that do not have active functions such as amplification or switching. Their main function is to filter, allocate, and protect the circuit. Common passive components include the following:

(1) Resistance: used to limit current, divide voltage, eliminate interference, etc.

(2) Capacitor: used for storing charges, filtering, voltage stabilization, etc.

(3) Inductance: used for storing magnetic fields, frequency division, filtering, etc.

(4) Diode: used for rectification, limiting, switching, etc.

(5) Transistor: used for amplification, switching, etc.

Active components

Active components refer to components with active functions such as amplification and switching, whose main function is to perform amplification, switching, and other operations on the circuit. Common active components include the following:

(1) Field effect transistor: used for amplification, switching, etc.

(2) Photocoupler: used for isolation, signal transmission, etc.

(3) Transistor: used for amplification, switching, etc.

(4) Integrated circuit: Integrating multiple electronic components together to achieve more complex circuit functions.

Other components

In addition to passive and active components, there are also other types of components used to achieve specific functions. Common other components include the following:

(1) Power module: used to provide power voltage and current.

(2) Sensor: used to sense environmental information, such as temperature, humidity, light, etc.

(3) Motor: used to drive mechanical movements.

(4) Display: Used to display images and text.

(5) Audio module: used for playing sound and music.

Overall, there are a wide variety of electronic components on PCB boards, which can be divided into two categories based on their functions: passive components and active components. Passive components are mainly used for filtering, distribution, protection, etc., while active components are mainly used for amplification, switching, and other operations. In addition to passive and active components, there are also other types of components used to achieve specific functions.

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