BZV55C10

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BZV55C10 Application Field and Working Principle

The BZV55C10 series are zener diodes with a single junction structure. BZV55C10 is a kind of general purpose zener diode with a wide range of applications. It is used in voltage regulation, over voltage protection and other areas requiring precision current control.

A zener diode is a semiconductor device, which offers near rectifying characteristics in the forward direction, but exhibits a different behavior when it is reverse biased. The outcome of the effect of this reverse bias is a great increase in voltage, and the application of this phenomenon allows the utilization of these devices in a variety of industrial, commercial and consumer applications.

The Working Principle

Zener diodes are constructed with a single junction. This is a key factor that makes BZV55C10 able to hold a stable voltage. When the forward voltage applied to the diode exceeds a certain level, the energetic electrons in the junction start to accumulate and the process can be described with a well-known physical equation:

Vz = Vz (1 + I/Iz)

Where: Vz is the junction voltage, I is the current passing through the junction, and Iz is the design characteristic of the device. This phenomenon is called the avalanche effect, which results from the combination of the barrier potential and the forward voltage applied. Accordingly, the BZV55C10 can be used to maintain a stable output voltage.

Applications

BZV55C10 diodes are suitable for a wide range of electronic applications. Zener diodes are used for providing a stable voltage reference. In digital logic circuits, zeners are commonly used as protection from over-voltage. The BZV55C10 is often chosen for applications due to its low cost and high resistivity.

In switching power supplies and regulators, a BZV55C10 is employed to set the correct voltage output. It is also used to clamp transient voltages below the sensitive logic circuits, provide voltage regulation/protection in other kinds of linear circuits, or prevent current surges.

Due to its small size, the BZV55C10 is often found in small portable electronics. It is also used in the automotive and telecommunications industry. Moreover, it is employed in telecom and high-frequency applications, due to high-resistivity and low failure rate.

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