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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 high (ideally …

  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. 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 …

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

    Nov 13, 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 most …

  5. 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.

  6. 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 …

  7. 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, …

  8. What is a Diode and How Does a Diode Work - electronics-ed.com

    Jul 5, 2025 · A diode is a two-terminal electronic component that allows current to flow in only one direction. Diodes are essential for converting AC to DC, protecting circuits, and enabling countless …

  9. 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.

  10. Diode | Working Principle | Construction - Electrical Academia

    What is a Diode? A diode is the simplest semiconductor device made of a single PN junction, allowing current to flow in one direction while blocking it in the opposite direction. It is widely used in electronic …