Basic electronic components are fundamental building blocks used in electronic circuits to perform specific functions. These components include resistors, capacitors, inductors, diodes, and transistors, etc.
A transistor acts as an amplifier or a switch in electronic circuits. It can amplify weak signals, control larger currents, and perform logical operations, making it a versatile component in modern electronics.
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An electronic component is any basic discrete electronic device or physical entity part of an electronic system used to affect electrons or their associated fields. Electronic components are mostly industrial products, available in a singular form and are not to be confused with electrical elements, which are conceptual abstractions representing idealized electronic components and elements. A datasheet for an electronic component is a technical document that provides detailed information about the component's specifications, characteristics, and performance.
Electronic components have a number of electrical terminals or leads. These leads connect to other electrical components, often over wire, to create an electronic circuit with a particular function (for example an amplifier, radio receiver, or oscillator). Basic electronic components may be packaged discretely, as arrays or networks of like components, or integrated inside of packages such as semiconductor integrated circuits, hybrid integrated circuits, or thick film devices. The following list of electronic components focuses on the discrete version of these components, treating such packages as components in their own right.
Components can be classified as passive, active, or electromechanic. The strict physics definition treats passive components as ones that cannot supply energy themselves, whereas a battery would be seen as an active component since it truly acts as a source of energy.
However, electronic engineers who perform circuit analysis use a more restrictive definition of passivity. When only concerned with the energy of signals, it is convenient to ignore the so-called DC circuit and pretend that the power supplying components such as transistors or integrated circuits is absent (as if each such component had its own battery built in), though it may in reality be supplied by the DC circuit. Then, the analysis only concerns the AC circuit, an abstraction that ignores DC voltages and currents (and the power associated with them) present in the real-life circuit. This fiction, for instance, lets us view an oscillator as "producing energy" even though in reality the oscillator consumes even more energy from a DC power supply, which we have chosen to ignore. Under that restriction, we define the terms as used in circuit analysis as:
Electronics is about transforming information into electrical signals and using the high-speed processing capabilities of electronics to perform tasks reliably, repeatedly, and fast. Electronic components and printed circuit boards form the basic parts of an electronic system.
While electronic components process information in form of electrical signals, a printed circuit board is the skeletal structure on which the electronic components are mounted and soldered to hold them together and provide pathways for information to flow between components through PCB traces.
PCB traces are metal wires connected between components. These traces are usually copper strips and sometimes aluminum or silver. The material, on which the components and traces are placed, is made of insulator material (dielectric), typically fiberglass impregnated with resin. This dielectric material can be of various kinds depending on the application of the circuit board.
This article gives an overview of the different types of electronic components. It focuses on the parameters to be considered while selecting an electronic component and gives details about standard sizes and shapes of components. These are essential while designing and manufacturing an electronic product. To learn about failures, read common errors encountered in discrete components.
Some of the most commonly used electronic components are resistors, capacitors, inductors, diodes, LEDs, transistors, crystals and oscillators, electromechanical components like relays and switches, ICs, and connectors. These components have leads/terminals and are available in specific standardized packages, that the designer can choose to suit his application. SMT (surface mount technology) and through-hole are the two types of mounting techniques used to place components on a PCB.
The quartz crystal is made from a thin piece of quartz wafer. This wafer is made from silicon material. The wafer is tightly fitted and controlled between two parallel metalized surfaces which make an electrical connection. When an external voltage is applied to the plates, the crystal vibrates with a certain fundamental frequency which creates alternating waveform which swings between high and low levels. This phenomenon is known as the piezoelectric effect. Due to this property, they are used in electronic circuits along with active components to create stable clock input to the processor.
The basic electronic components that depend on an external power source for their operation are called active components. They can amplify signals and/or process signals. Some of the active components are transistor, integrated circuits ICs.
A microprocessor/microcontroller is an integrated circuit, which can process the digital data. For example, temperature sensor data can be read by a microprocessor and using its internal logic to perform control functions such as switching an air-conditioner ON or OFF. The ability to program a microprocessor gives it the flexibility to be used in a wide range of applications. Some of the applications are consumer electronics (microwave, washing machine, TV), industrial applications (motor control, process control), communication applications (wireless communication, telephony, satellite communication).
The component sizes of the selected SMT components are important while manufacturing the electronic product. The assembler should have the capability to assemble the small size components on the PCBs. The passive components such as resistors, capacitors, and inductors which have two leads are found in standard sizes as shown in the table below. The SMT component sizes are given in inches as well as metric systems. The most common sizes are in inches such as 0402, 0603,0805 1210, etc.
Electronic component distributors are a key resource for supply chain management. They are a single-window source of components from where a designer can buy components directly rather than buying from an individual manufacturer. Distributors stock components from different manufacturers and provide a simple and efficient web portal interface for selecting and purchasing components.
Electronic components can be found in nearly every device that touches our fingertips. They are vital to a multitude of gadgets throughout the world; from the military jet engine, to smart home devices and automobiles, to simply switching on a light. With the evolution of electronic devices in the past century, electronics have become increasingly complex and yet must be increasingly reliable. But what exactly is an electronic component?
Active components supply the energy to the circuit and are capable of electrically controlling and amplifying the flow of electrical current. While most devices contain both active and passive components, all electronic circuits must contain at least one active component. Active components require a source of energy, typically in the form of a direct current. Most active components consist of semiconductor devices such as transistors, diodes and integrated circuits.
Passive components can only receive energy, which it then either dissipates, resists, absorbs, or stores in an electric or magnetic field, yet they cannot control or amplify electricity themselves. Some of the most common examples include resistors, capacitors, inductors, and transformers.
2. Capacitor: (No not the flux capacitor Marty!) these electronic components have two terminals that can store the electric charge temporarily in an electric field and release it later, when needed. They allow AC to flow through them while resisting DC and in doing so stabilize almost any circuit. Capacitors come in different varieties, with the most common ones being electrolytic and ceramic disk.
Understanding more about these basic electronic components that power so many aspects of modern life will inspire greater appreciation for these tiny parts. After all, without them, you would not be reading this today!
Electronic components are basic discrete devices in any electronic system to use in electronics otherwise different associated fields. These components are basic elements that are used to design electrical and electronic circuits. These components have a minimum of two terminals which are used to connect to the circuit. The classification of electronic components can be done based on applications like active, passive, and electromechanical.
These components are used to amplify electrical signals to generate electric power. The functioning of these components can be done like an AC circuit within electronic devices to protect from voltage and enhanced power. An active component executes its functions because it is power-driven through an electricity source. All these components require some energy source that is normally removed from a DC circuit. Any quality type of active component will include an oscillator, IC (integrated circuit) & transistor.
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