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  1. 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 …

  2. A Complete Guide to Diodes - Circuit Basics

    A diode is considered a semiconductor device that has two leads and functions as a one-way door for electric current. Semiconductors can be conductors or insulators.

  3. Diode | Definition, Symbol, Types, & Uses | Britannica

    Sep 26, 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. The …

  4. 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 …

  5. What is a Diode? A Guide For Beginners - Build Electronic Circuits

    Feb 9, 2023 · A diode is a component that controls the direction of current. In this guide, you'll learn everything you need to get started with diodes.

  6. 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 …

  7. What are diodes, and how do they work?

    May 10, 2025 · A diode is a fundamental semiconductor device that controls the direction of current flow in a circuit. It works by forming a p-n junction that conducts current in one direction …

  8. What is a diode? | Definition from TechTarget

    Dec 3, 2024 · What is a diode? A diode is a specialized electronic component, specifically a two-terminal semiconductor device, with two electrodes called the anode and the cathode.

  9. 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 …

  10. What is a Diode? A Simple Overview - Microchip USA

    Sep 28, 2024 · Discover what a diode is, how it works, types of diodes, testing methods, and key applications in electronics. A must-read guide for beginners!