
Diode - Wikipedia
A diode is a two- terminal electronic component that conducts electric current primarily in one direction (asymmetric conductance). It has low (ideally zero) resistance in one direction and high (ideally …
Diode | Definition, Symbol, Types, & Uses | Britannica
Dec 12, 2025 · diode, an electrical component that allows the flow of current in only one direction. In circuit diagrams, a diode is represented by a triangle with a line across one vertex.
What Is a Diode? - BYJU'S
Diodes are used to protect circuits by limiting the voltage and to also transform AC into DC. Semiconductors like silicon and germanium are used to make the most of the diodes. Even though …
Diode - GeeksforGeeks
Jul 23, 2025 · A diode is an electronic device that conducts electricity only in one direction. It is a device that is widely used in modern-day electronics. Here, we will learn about diodes, their properties, …
What is a Diode? Applications, Testing, and Examples | Fluke
A diode is a semiconductor device, typically made of silicon, that essentially acts as a one-way switch for current. It allows current to flow easily in one direction but severely restricts current from flowing in …
Diodes: Everything You Need to Know About Them
May 30, 2025 · What Is a Diode? A diode is a two-terminal electronic component that allows current to flow in one direction only. It acts as a one-way valve for electrical current.
Diode: Definition, Symbol, and Types of Diodes - Electrical4U
Mar 10, 2014 · What is a Diode? A diode is defined as a two-terminal electronic component that only conducts current in one direction (so long as it is operated within a specified voltage level). An ideal …
What is a Diode and How Does a Diode Work - electronics-ed.com
Jul 5, 2025 · Fast forward to today, and most diodes are made from semiconductors like silicon or germanium. At its heart, a diode is a two-terminal device with an anode (positive side) and a cathode …
What is a Diode? A Guide For Beginners - Build Electronic Circuits
Feb 9, 2023 · A diode is a component that lets current flow in one direction and blocks it from flowing in the other direction. It has two pins; anode and cathode. The diode symbol looks like an arrow …
What Is A Diode | Types Of Diode And Their Functions
Diode A diode is one of the most fundamental components in electronics, yet it plays a crucial role in how modern electronic systems function. To understand what is diode, it is best to think of it as a …