![]() ![]() This article was first published on 18 April 2020 and was updated on 9 February 2021. To read other interesting Electronics basics: click here There are many different types of electrical switches. We’ll start out with electrical switches. NPN Bipolar Transistor/ PNP Bipolar Transistorĭefinition of a Transistor: It is a semiconductor device used to amplify or switch electronic signals and electrical power. Here are the electrical symbols including communications symbols like phones, doorbells, and security systems. Power Supply SymbolsĬontrolled voltage source/Controlled Current sourceĪC voltage source/Generator Meter Symbolsĭefinition of a LED: It is a semiconductor device that emits light when an electric current is passed through it. This is not a definitive list of all symbols used in electrical identification, but merely a guide to some of the more commonly used symbols. Export it to Microsoft Word ®, Excel ®, PDF, or PowerPoint ® with a single click. Reposition them on the page and SmartDraw will keep them connected, automatically. Click and stamp electrical symbols onto your layout. You can learn more about Antenna and their basics. Just select a template and start customizing. Antenna Symbolsĭefinition of an Antenna: An electrical device converts electric power into radio waves and vice versa. Capacitor Symbolsĭefinition of a Capacitor: It is a device that stores electrical energy in an electric field. Photoresistor / Light-dependent resistor (LDR)ĭefinition of a Resistor: As the name suggests, they resist the flow of excessive electrical power or voltage passing through the circuit, in a precise and controlled manner. Variable Resistor / Rheostat (IEEE)/(IEC) The term refers to the working drawing used by the architectural, engineering, and construction professions to represent the desired construction plans. Relays switches are used to open and close circuits electromechanically or electronically. A blueprintis a photographic print of a prepared drawing with the lines and lettering in white on a bright blue back- ground it’s used for mechanical, electrical, and architectural drawings. ![]() Lamp/Light Bulb Symbolsĭefinition of a Relay: It controls circuits by opening and closing contacts in another circuit. You can learn more about the Basics of Inductors. There is a circuit symbol for each and every electrical component or device used in a circuit such as passive components, active components, measuring instruments, logic gates, etc.Ī few electronic symbols that can be used in the circuit diagrams are given below for reference: Wire Symbolsĭigital/Common Ground Inductor/Coil Symbolsĭefinition of an Inductor: It is a device that temporarily stores energy in the form of a magnetic field. the circuit on a breadboard or assembled printed circuit board) This enables anyone to read electrical circuits or Electrical schematic diagrams and floor plans with ease and clarity.Įlectrical symbols represent the components of electrical and electronic circuits and do not define any function or process unless the circuit is implemented with components being physically used. Though electrical symbols are standardized, they may vary from country to country, or engineering disciplines, based on traditional conventions. ![]()
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