BZV55-C43,115

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The BZV55-C43,115 is a single Zener diode classified under Diodes. It is primarily used to provide a known and constant voltage across its terminals. It is able to provide a stable voltage even when the voltage across its terminals changes.

A Zener diode is constructed just like a conventional diode but doped differently. In a Zener diode the doping concentrations are significantly higher than the upper and lower doping concentrations in a normal diode. This high doping causes large reverse conduction, although still small enough to keep the diode from being short circuited. As the voltage across the diode increases, the current remains approximately equal and then decreases drastically as the voltage reaches the breakdown voltage known as the Zener breakdown. At this point, current rises rapidly as the voltage continues to increase. This causes the current to increase and remain constant after that until the reverse voltage reaches a maximum.

The BZV55-C43,115 Zener diode is designed for general purpose application and is able to maintain a very low leakage current of less than 15nA in reverse. It has a total power dissipation of 500 mW, a peak surge current of 17A and Zener breakdown voltage of 43V with a maximum reverse voltage of 115V. These features make the BZV55-C43,115 exceptionally well suited for applications in voltage regulation, voltage references and protection circuits.

In order to understand the working principles of the BZV55-C43,115 Zener diode, one needs to have basic knowledge of semiconductor physics. All semiconductor materials have energy bands and electrons can shift between these energy bands. Electrons can move in forward and reverse directions which leads to the creation of electric current. When an electric field is applied, it gradually increases the width of the depletion region. Eventually the electric field will become so powerful that it will break down the diode, allowing a large amount of current to flow freely in a reverse direction.

In the case of Zener diode the electric field across the depletion region is constant and is determined by the Zener breakdown voltage. The current flowing through the diode is then a function of the electric field. This allows the BZV55-C43,115 Zener diode to provide a constant voltage across its terminals independent of changes of forward voltage. This makes it possible to provide a known voltage to the load in applications such as voltage references and protection circuits.

In summary, the BZV55-C43,115 Zener diode is a single diode classified under Diodes. It is able to maintain a low leakage current, has a power dissipation of 500 mW and a peak surge current of 17A. Its Zener breakdown voltage is 43V and maximum reverse voltage of 115V. It is used in applications such as voltage regulation, voltage references and protection circuits. The working principle of the diode is based on semiconductor physics and electric field, when an electric field is applied across the diode it breaks down the diode allowing a large amount of current to flow.

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