BZD27C20P-HE3-18

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

The BZD27C20P-HE3-18 Zener diode is a widely used component in many electrical and electronic systems, such as communications and power supplies. In this article, we will discuss the application field and working principle of the BZD27C20P-HE3-18 Zener diode.

The BZD27C20P-HE3-18 Zener diode is a specialized form of diode that consists of two elements: a P-type semiconductor and an N-type semiconductor. It is capable of conducting current in both directions, and it serves to regulate voltage levels. This is done by allowing current to flow through in one direction and blocking or resisting it in the other direction.

As a Zener diode, the BZD27C20P-HE3-18 is mainly used in power supplies and other applications where tight voltage regulation is required. Since the diode’s voltage is set by the doping strengths of the two semiconductors, it can be used as a voltage regulator and reference source. In addition, the diode can also provide electrical isolation, current limiting, and bypass in many applications.

The BZD27C20P-HE3-18 Zener diode has a breakdown voltage of 20V, a current rating of 100mA, and a power dissipation of 0.5W. The diode is housed in a 3-pin DO-214AC plastic package, and it is often used in conjunction with other devices, such as transistors, switches, and integrated circuits. Due to its compact size and low power consumption, it is also popular in low-power applications, such as digital circuit design.

The working principle of the BZD27C20P-HE3-18 Zener diode is based on the phenomenon known as the Zener Effect. At low voltages, the diode behaves in the same manner as a conventional diode; however, when the voltage across the diode exceeds its breakdown voltage, the current begins to exponentially increase. This increase in current is what allows the diode to regulate the voltage across it, since the increased current will reduce the voltage drop across the diode.

The Zener diode is also able to maintain a relatively constant voltage across its terminals, even with changes in input voltage. This is due to the fact that the diode’s current is limited, resulting in only small changes in the voltage across the diode. This makes the BZD27C20P-HE3-18 an ideal choice for applications where the output voltage needs to remain within a tight tolerance window.

In conclusion, the BZD27C20P-HE3-18 Zener diode is a widely used component in many electrical and electronic systems. It is capable of conducting current in both directions and has a breakdown voltage of 20V. It is often used in power supplies and other applications where tight voltage regulation is required, and it can also provide electrical isolation, current limiting, and bypass in many applications. By understanding the application field and working principle of the BZD27C20P-HE3-18, we can better appreciate the design decisions behind our electrical and electronic systems.

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