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A Zener diode is a special type of diode designed to reliably allow current to flow "backwards" (inverted polarity) when a certain set reverse voltage, known as the Zener voltage, is reached. Zener diodes are manufactured with a great variety of Zener voltages and some are even variable.
In electronics, the Zener effect (employed most notably in the appropriately named Zener diode) is a type of electrical breakdown, discovered by Clarence Melvin Zener. It occurs in a reverse biased p-n diode when the electric field enables tunneling of electrons from the valence to the conduction band of a semiconductor , leading to numerous ...
Shockley derives an equation for the voltage across a p-n junction in a long article published in 1949. [2] Later he gives a corresponding equation for current as a function of voltage under additional assumptions, which is the equation we call the Shockley ideal diode equation. [3]
These characteristics are also known as I–V curves, referring to the standard symbols for current and voltage. In electronic components with more than two terminals, such as vacuum tubes and transistors, the current–voltage relationship at one pair of terminals may depend on the current or voltage on a third terminal. This is usually ...
Schematic V-A characteristics of avalanche or Zener diode with a breakdown voltage of 17 V. (Note: with breakdown voltage over ca. 6 V, avalanche diodes are used instead of Zener diodes; also the voltage scale is different on the forward-biased positive side than the reverse-biased negative side.) Date: 15 January 2007: Source: Own work: Author ...
The Shockley diode equation relates the diode current of a p-n junction diode to the diode voltage .This relationship is the diode I-V characteristic: = (), where is the saturation current or scale current of the diode (the magnitude of the current that flows for negative in excess of a few , typically 10 −12 A).
Police in have revealed tragic new details behind the mysterious death of a 26-year-old Polish newlywed two years after she was found on the streets of Miami.
1N4001 diode in DO-41 axial package (through hole mount) A schematic symbol for general-purpose silicon rectifier diodes Current-voltage characteristics of a 1N4001 at different temperatures The 1N400x (or 1N4001 or 1N4000 [ 1 ] ) series is a family of popular one- ampere general-purpose silicon rectifier diodes commonly used in AC adapters for ...
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