All electronic components names, functions, testing, pictures and symbols - smd components

Electronics Repair Basics_ERB
28 Sept 202324:08
EducationalLearning
32 Likes 10 Comments

TLDRThis educational video is a must-watch for electronic technicians and engineers, offering an in-depth look at various electronic components, their names, functions, and testing methods using a multimeter. The script covers capacitors, inductors, relays, rectifiers, batteries, MOSFETs, ICs, and more, with a focus on practical application. It promises to guide viewers through identifying and troubleshooting components, ensuring a comprehensive understanding of electronic circuits.

Takeaways
  • πŸ› οΈ This video is crucial for electronic technicians and engineers to learn about electronic components and how to test them using a multimeter.
  • πŸ“š The video is divided into two parts: the theoretical part and the practical part.
  • πŸ”‹ Capacitors are discussed first, including their terminals, characteristics, and purpose in filtering current.
  • πŸ“ Inductors or windings are explained, highlighting their role in increasing current in a circuit.
  • πŸ” Relays are introduced, detailing their pins for induction and switching, and their voltage characteristics.
  • πŸ”Œ Bridge rectifiers are mentioned, used to transform alternating voltage to continuous voltage.
  • πŸ”‹ Different types of batteries are shown, explaining their terminals and purposes.
  • πŸ”„ MOSFETs, voltage regulators, and oscillators are covered, emphasizing the importance of part numbers for identification.
  • πŸ”§ Various other components like transistors, fuses, resistors, crystal oscillators, and motors are explained in detail.
  • πŸ”— The importance of connectors, USB ports, and power jacks in motherboards is highlighted, with testing methods using a multimeter.
Q & A
  • What is the main purpose of the video script?

    -The main purpose of the video script is to educate electronic technicians and engineers about various electronic components, their names, functions, and how to test them using a multimeter.

  • How is the video script divided into parts?

    -The video script is divided into two parts: the theoretical part and the practical part.

  • What are the characteristics of a polarized capacitor mentioned in the script?

    -The characteristics of a polarized capacitor include its voltage rating and capacitance value, such as 2.2 microfarads and 360 volts.

  • What is the function of an inductor in an electronic circuit?

    -The function of an inductor in an electronic circuit is to increase the current.

  • What are the components of a relay and what is its purpose?

    -A relay consists of an inductor and a switch with four pins. Its purpose is to control the flow of power, transforming voltage from one level to another.

  • How is a bridge rectifier used in the script's context?

    -A bridge rectifier is used to transform voltage from alternating current (AC) to direct current (DC) in switch mode power supplies.

  • What is the role of a MOSFET in electronic circuits?

    -A MOSFET can act as a voltage regulator, oscillator, or rectifier, depending on the specific part number and its application in the circuit.

  • What is the purpose of a heatsink in electronic devices?

    -A heatsink is used to dissipate heat from components such as CPUs, ICH chips, and MOSFETs to prevent overheating and ensure the stability of the device.

  • How can you identify the type of a three-terminal component like a MOSFET or a diode?

    -You can identify the type of a three-terminal component by referring to the part number, which can indicate whether it is a voltage regulator, oscillator, or a Schottky diode, among other possibilities.

  • What is the importance of testing electronic components with a multimeter?

    -Testing electronic components with a multimeter is crucial for diagnosing issues, ensuring proper functionality, and maintaining the integrity of electronic circuits.

  • What are the two main characteristics of a fuse that need to be considered when replacing it?

    -The two main characteristics of a fuse to consider when replacing it are the amperage rating (amps) and the voltage rating (volts).

Outlines
00:00
πŸ“š Introduction to Electronic Components

This paragraph introduces the video as an essential resource for electronic technicians and engineers. It outlines the video's two-part structure: a theoretical segment covering the names and functions of electronic components, and a practical segment demonstrating how to test these components using a multimeter. The speaker encourages viewers to subscribe, share, and like the video to support the creation of more valuable content.

05:00
πŸ”Œ Practical Exploration of Electronic Components

The second paragraph delves into the practical examination of electronic components, beginning with polarized capacitors and their characteristics such as voltage and farad ratings. It then moves on to inductors, which serve to increase current in a circuit, and relays, which are used to switch power between terminals. The paragraph also covers rectifier bridges, batteries, and MOSFETs, emphasizing the importance of identifying components by their part numbers to understand their specific functions and characteristics.

10:01
πŸ” In-Depth Analysis of Circuit Components

This paragraph provides an in-depth look at various circuit components, including ICs, capacitors, transformers, switches, and oscillators. It discusses the role of capacitors in removing interference and the importance of identifying the correct type of component based on its part number. The paragraph also touches on the significance of heatsinks in cooling down components in switch mode power supplies and the necessity of testing components like fuses, resistors, and crystal oscillators using a multimeter.

15:03
🚨 Caution: High Voltage and Sensitive Components

The fourth paragraph warns about the dangers of high voltage components, such as high tension inductors, which should not be touched due to their potential to cause harm. It also covers the importance of understanding the characteristics of fuses, the identification of different types of capacitors, and the role of diodes in allowing current to flow in one direction. The paragraph emphasizes the need to handle sensitive components with care and to test them properly to ensure circuit safety and functionality.

20:04
πŸ”Œ Connectors, Motors, and Essential Testing Techniques

The final paragraph discusses the importance of connectors in electronic devices and how they can be a source of failure if neglected. It also explains the components of a motor, including the rotor and stator, and the significance of heatsinks in preventing component burnout. The paragraph concludes with a reminder to test various components using a multimeter and to subscribe to the channel for more content on repairing motherboards and understanding schematics.

Mindmap
Keywords
πŸ’‘Electronic Components
Electronic components are the fundamental building blocks of electronic devices and circuits. They include a wide range of devices such as capacitors, inductors, diodes, and transistors. In the video, the theme revolves around the identification, function, and testing of these components, making them central to the educational content provided.
πŸ’‘Multimeter
A multimeter is a versatile electronic measuring instrument that combines several measurement functions in one unit. It is used to measure voltage, current, and resistance, among other things. In the context of the video, the multimeter is essential for testing electronic components, ensuring they are functioning correctly.
πŸ’‘Polarized Capacitor
A polarized capacitor is a type of capacitor that has a specific polarity, indicated by a '+' and '-' marking, which must be connected correctly in a circuit to avoid damage. The video script mentions this component, highlighting its characteristics such as voltage and capacitance values, and its role in filtering current.
πŸ’‘Inductor
An inductor is a passive electronic component that stores energy in a magnetic field when an electric current passes through it. The video explains that inductors are used to increase current in a circuit and come in various forms, including those found in desktop motherboards.
πŸ’‘Relay
A relay is an electrical switch that opens and closes circuits electrically or mechanically. The script describes how a relay contains an inductor and a switch and is characterized by voltage and current ratings, illustrating its function in transforming voltage levels within a circuit.
πŸ’‘Bridge Rectifier
A bridge rectifier is a type of rectifier that converts alternating current (AC) to direct current (DC). The video mentions its use in switch mode power supplies, indicating its importance in electronics for voltage transformation.
πŸ’‘MOSFET
A MOSFET, or Metal-Oxide-Semiconductor Field-Effect Transistor, is a type of transistor used for amplifying or switching electronic signals. The video script refers to MOSFETs in the context of voltage regulators and other functions within electronic circuits.
πŸ’‘Crystal Oscillator
A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal to create an electrical signal with a precise frequency. The video identifies this component as crucial for generating timing and clock signals, particularly in computer motherboards.
πŸ’‘Fuse
A fuse is an electrical safety device that protects a circuit from excessive current. The script describes fuses with their voltage and amperage ratings, emphasizing their role in circuit protection and the importance of replacing them with the correct specifications when they fail.
πŸ’‘Resistor
A resistor is a passive component that opposes the flow of electric current in a circuit. The video script discusses the identification of resistors by color bands or multimeter readings, highlighting their importance in controlling current and voltage within circuits.
πŸ’‘Heatsink
A heatsink is a device that helps dissipate heat generated by electronic components, such as CPUs, MOSFETs, and other heat-generating devices. The video underscores the importance of heatsinks in preventing overheating and ensuring the longevity of electronic devices.
Highlights

Introduction to the educational video aimed at electronic technicians and engineers covering electronic components' names, functions, and testing methods.

Explanation of the video's structure, which includes a theoretical part followed by a practical demonstration.

Description of the electronic capacitor, including its terminals, polarization, and characteristics such as voltage and capacitance in microfarads.

Discussion on the purpose of capacitors in filtering current and providing continuous voltage, with variations depending on type, shape, and size.

Introduction to inductors, their function in increasing current in circuits, and the testing method using a multimeter.

Identification of different types of inductors found in desktop motherboards and their testing limitations.

Explanation of relays, their components, and characteristics such as voltage and amperage, with practical applications in circuits.

Introduction to rectifier bridge and its role in converting alternating current to direct current in smart power supplies.

Overview of various battery types, their terminals, and the importance of matching battery characteristics when replacing.

Introduction to MOSFETs, their potential functions in voltage regulation, oscillation, and diode rectification.

Identification of Schottky diodes and their role in switch mode power supplies.

Discussion on Integrated Circuits (ICs), their packages, and their specific use in basic input-output systems.

Introduction to different types of capacitors used for removing interference in circuits, such as CPP61 capacitors.

Explanation of transformers, their components, and their testing methods, with a focus on electromagnetic interference inductors.

Introduction to switches found in laptops and computer motherboards, their function, and testing methods.

Overview of oscillators in switch mode power supplies, their function in controlling power, and associated components.

Introduction to MOSFETs as voltage regulators and their importance in managing voltage transformations.

Emphasis on the importance of heatsinks in cooling down components in switch mode power supplies.

Discussion on ceramic capacitors, their function in noise reduction, and their prevalence in electronic circuits.

Introduction to transistors, their components, and the upcoming tutorial on how to test and identify them.

Explanation of fuses as protection components, their characteristics, and the importance of replacing them with matching specifications.

Introduction to resistors, their identification methods, and the upcoming tutorial on testing them with a multimeter.

Discussion on crystal oscillators, their function in generating timing and clock signals, and their location in motherboards.

Introduction to electronic or chemical capacitors, their characteristics, and their role in filtering and providing continuous voltage.

Overview of CMOS batteries, their types, and their function in devices like computers and laptops.

Introduction to diodes, their function in allowing current to pass in one direction, and their use in rectifying current.

Explanation of Zener diodes and their role in stabilizing voltage in circuits.

Introduction to tantalum capacitors, their polarization, and their widespread use in electronic circuits.

Discussion on oscillators in switch mode power supplies, their internal components, and associated cooling mechanisms.

Warning about the dangers of high tension inductors, their high voltage nature, and the importance of safety precautions.

Introduction to LEDs, resistors, and transient resistors, with an upcoming tutorial on testing these components.

Emphasis on the importance of connectors in electronic devices and the impact of faulty connectors on device performance.

Discussion on power selectors, their function in switching between voltage levels, and their testing methods.

Introduction to power jacks, their role in motherboard connectivity, and the consequences of their failure.

Emphasis on the critical role of heatsinks in preventing component damage and the importance of not neglecting them.

Conclusion with a reminder to subscribe, share, and like the video for more educational content on electronic repairs.

Transcripts
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