1N4756A 47V 1W ZENER Diode s a special type of diode designed to reliably allow current to flow “backwards” when a certain set reverse voltage, known as the Zener voltage, is reached.
1N4756A 47V 1W ZENER Diode 5% is a special type of diode designed to reliably allow current to flow “backwards” 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. Some Zener diodes have a sharp, highly doped p–n junction with a low Zener voltage. In this case, the reverse conduction occurs due to electron quantum tunnelling in the short space between p and n regions known as the Zener effect after Clarence Zener. Diodes with a higher Zener voltage have a more gradual junction, and their mode of operation also involves avalanche breakdown. Both breakdown types are present in Zener diodes, with the Zener effect predominating at lower voltages and avalanche breakdown at higher voltages.
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Wiki: A Zener diode is a special type of diode
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|Dimensions||5 × 7 × .3 cm|
Zener diodes are used for voltage regulation, as reference elements, surge suppressors, and in switching applications and clipper circuits.
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