1N4897

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Diodes are an essential component in many electrical circuits, providing a route for current drive and preventing the current from returning to its source. One type of diode, the Zener diode, is especially useful in regulating and controlling voltage levels. The 1N4897 is one of the most popular Zener diodes, used for a variety of applications. In this article, we’ll discuss the 1N4897 application field, working principle and why it is such a popular choice.

The 1N4897 application field is wide and varied. It is typically used in voltage regulation circuits, providing a stable and reliable voltage while protecting other components from damage due to too much current. As such, it is a key component in many power supplies, as well as being useful in audio, automotive and telecommunications applications.

The 1N4897 works in a very simple, yet highly effective, manner. It consists of a P-type and an N-type semiconductor region which are connected together, forming a PN junction. When a reverse bias voltage is applied to the PN junction, it causes electrons to flow from the P to the N region, since electrons are drawn from regions of high potential to region of low potential. This creates a short-circuiting effect, which prevents any further current flowing through the diode in the forward direction, which is what is required.

When an external voltage is applied in the forward direction, current will flow, but will be limited, as per the Zener voltage of the diode. If the applied voltage rises above the Zener voltage, the current will be regulated such that the voltage won’t go too high and damage other components. This is why Zener diodes are commonly used in voltage regulation circuits. The 1N4897 has a Zener voltage of 6.8V, making it ideally suited for many types of circuits.

One of the key advantages of the 1N4897 is its low capacitance, which is in the order of 0.2pF, making it suitable for use in high-frequency applications. It also has a low reverse leakage current, and a low dynamic resistance, which ensures low voltage drops and a high current carrying capacity.

The 1N4897 is a popular choice for many applications due to its combination of reliability, performance and low cost. It is available as a single diode or in a dual diode package, allowing it to be used as either a shunt or a series regulator when connected across a load. Its small size also means it can be easily integrated into most circuit designs without taking up too much space.

The 1N4897 is a widely used diode which is well-suited to many different applications. Its combination of low cost, high performance and reliability makes it an ideal choice for voltage regulation circuits and high frequency applications. Its small size also means it can easily be integrated into practically any type of circuit design.

The specific data is subject to PDF, and the above content is for reference