
Zener diode - Wikipedia
A Zener diode is a type of diode designed to exploit the Zener effect to affect electric current to flow against the normal direction from anode to cathode, when the voltage across its terminals exceeds a certain characteristic threshold, the Zener voltage.
齐纳二极管(稳压二极管)详解及稳压电路分析 - 知乎
稳压二极管(zener diode),也称齐纳二极管。 它的特点是利用PN结反向击穿时,其电流可在很大范围内变化而电压基本不变,从而起到稳压作用。 稳压二极管是根据击穿电压来分档的,广泛用于稳压电路和限幅电路中,其电路图符号及常见稳压二极管外形如图1-1 ...
What is a Zener diode and how does it work? - CircuitBread
2019年12月11日 · A Zener diode is a silicon pn junction device that allows current to flow not only in the forward direction like a typical silicon or germanium diode, but also in the reverse direction if the voltage is greater than the breakdown voltage known as Zener knee voltage or simply Zener voltage, named after Clarence Melvin Zener, the discoverer of ...
Zener Diode as Voltage Regulator Tutorial - Basic Electronics Tutorials ...
Zener Diodes can be used to produce a stabilised voltage output with low ripple under varying load current conditions. By passing a small current through the diode from a voltage source, via a suitable current limiting resistor (RS), the zener diode will conduct sufficient current to maintain a voltage drop of Vout.
稳压二极管 - 百度百科
稳压二极管,英文名称Zener diode,又叫齐纳二极管。 利用PN结反向击穿状态,其电流可在很大范围内变化而电压基本不变的现象,制成的起稳压作用的二极管。
Zener Diode - Definition, Working, Circuit Symbol, V-I …
Discover the versatile functionality of Zener diodes, which enable the flow of current in both forward and reverse directions. As one of the most widely used semiconductor diodes, Zener diodes play a crucial role in electronic circuits.
What Are Zener Diodes? | Diodes and Rectifiers | Electronics …
A Zener diode is a special type of rectifying diode that can handle breakdown due to reverse breakdown voltage without failing completely. Here we will discuss the concept of using diodes to regulate voltage drop and how the Zener diode operates in …
Zener Diode - GeeksforGeeks
2024年8月16日 · Zener Diode is one of the most important semiconductor diodes used in our daily life. It is a specific diode that works in reverse bias conditions. It allows current to flow from anode to cathode and it also works in the reverse direction. Let’s learn about Zener Diodes their function, and their construction, in detail in this article. Zener ...
Zener Diode - Symbol, Construction, Working and Applications
What is a Zener Diode? A Zener diode is a type of PN junction diode that is designed to conduct in both forward and reverse directions. It has heavily doped regions and is mainly used to conduct current in the reverse direction.
什么是齐纳二极管(稳压二极管、恒压二极管)? | 东芝半导体
通过在与普通pn结二极管相反的方向上施加电压,在击穿区域(屈服区域)使用齐纳二极管。 齐纳二极管是一种pn结二极管。 图1显示了pn结二极管的V-I曲线。 典型的pn结二极管使用正向偏压,而齐纳二极管则使用反向偏压,因为其专门用于在击穿区域工作。 根据p型和n型半导体的掺杂浓度,具有以下两种击穿机制。 由于这两种击穿事件都发生在温度恒定的固定电压下,因此齐纳二极管也称为稳压二极管和恒压二极管。 如果p型和n型半导体都具有高掺杂浓度,则围绕结延伸 …
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