The word "zener" is spelled with a "z" and an "e" that represents the short "e" sound. The second syllable begins with a "n" and is followed by a schwa sound, represented by the symbol "ə". The final syllable is pronounced with a long "r" sound. The correct phonetic transcription for "zener" is /ˈzɛnər/. This word is often associated with the Zener diode, a type of semiconductor device commonly used in electrical circuits for voltage regulation and stabilization.
Zener refers to a type of diode that is specifically designed to operate in the reverse breakdown region of its voltage-current characteristics. It is named after its inventor, Clarence Zener. The Zener diode is primarily used for voltage regulation and stabilization purposes, particularly in electronic circuits.
In operation, a Zener diode conducts current in the forward direction, similar to a regular diode. However, it also possesses the unique ability to conduct current in the reverse direction, once a certain threshold voltage, known as the Zener voltage or breakdown voltage, is exceeded. This reverse current remains relatively constant over a wide range of reverse voltages.
The Zener diode's primary application is as a voltage reference or regulator in electronic circuits. By incorporating a Zener diode into a circuit, it is possible to maintain a stable voltage level, regardless of variations in input voltage or load changes. This feature makes Zener diodes highly valuable in various electronic devices like voltage regulators, power supplies, and voltage clamps.
Additionally, Zener diodes are commonly used for overvoltage protection. When a voltage spike exceeds the breakdown voltage, the Zener diode conducts, shunting the excess voltage and protecting the circuit.
In summary, the Zener diode is a specialized type of diode that operates in the reverse breakdown region, offering stable voltage regulation and protection against overvoltage. Its unique characteristics make it an indispensable component in a wide range of electronic circuits.
The word "zener" comes from the name of its inventor, Clarence Zener, an American physicist. Clarence Melvin Zener was born on December 1, 1905, in Indianapolis, Indiana, and is best known for his significant contributions to the understanding of electrical breakdown mechanisms in insulating materials. In the 1930s, he developed a concept called the "Zener effect", which refers to the phenomenon of electrical breakdown and the associated voltage regulation in a type of semiconductor diode called the "Zener diode". The term "zener" has since become synonymous with this specific type of diode that exhibits controlled breakdown at a specific voltage.