File:Diode-english-text.svg · Wikimedia Commons · See Wikimedia Commons
A diode is an electronic component made from semiconductor material that allows electric current to flow in one direction while blocking it in the other. Diodes are used in many applications, such as converting alternating current to direct current in power supplies and protecting circuits from damage caused by reversed current flow.
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Key facts
- Electronic component.name
- Thermionic diode
- Electronic component.image
- 2-50A 2 (2).JPG
- Electronic component.caption
- A high power vacuum tube diode used in radio equipment as a rectifier
- Electronic component.type
- Active
- Electronic component.inventor
- John Ambrose Fleming
- Electronic component.invention_Year
- 1904
- Electronic component.pins
- Plate and cathode
- Electronic component.symbol
- 100px
- Electronic component.image_size
- 225px
- Electronic component.working_principle
- Thermionic emission
- Electronic component.symbol_caption
- The symbol for an indirectly heated vacuum tube diode. From top to bottom, the element names are: plate, cathode, and heater.
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Wikidata facts
- Subclass of
- passive electronic component
- Image
- Diode-closeup.jpg
- Has use
- electrical resistance
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- Commons category
- Diodes
- topic's main category
- Category:Diodes
- described by source
- Armenian Soviet Encyclopedia
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
- maintained by WikiProject
- WikiProject Physics
via Wikidata · CC0
Article · Italiano
Il diodo è un componente elettronico passivo non-lineare a due terminali (bipolo), la cui funzione ideale è quella di permettere il flusso di corrente elettrica in un verso e di bloccarla quasi totalmente nell'altro (vengono invece sfruttate altre caratteristiche nel caso di diodi Zener, diodo tunnel o pin, diodi varicap diodo a tunnelling risonante). Da questa struttura iniziale si sono evoluti nel tempo sia componenti con struttura più complessa basati su un principio differente, come i diodi a tempo di transito, sia nuovi dispositivi a tre terminali, come gli SCR e i triac, che hanno abbandonato il nome di diodo.
Abstract from DBpedia / Wikipedia · CC BY-SA
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