BZV90-C2V4,115

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A Zener diode, especially BZV90-C2V4,115, is a type of diode which is designed specifically to allow the current to flow in one direction and reverse direction when the voltage reaches a certain level, known as the Zener breakdown voltage (VZ). The Zener diode can be used to provide a stable reference voltage, allowing current to travel in both directions without affecting the voltage value, or it can be used to protect other active components, such as transistors and ICs, from over-voltage or even a transient spike.

BZV90-C2V4,115 is a special type of Zener diode, with the Zener breakdown voltage set to VZ=4.8V and with a maximum reverse current of 1.5mA. It is constructed from an N-type semiconductor substrate and a P-type semiconductor layer, with a rectifier junction built from a highly doped layer of N and P silicon. In terms of size, it has a lead spacing of 0.8mm and a package width of 0.4mm.

The working principle of a Zener diode is fairly straightforward. When the voltage on the device exceeds the Zener breakdown voltage (VZ) then a large current will start to flow through the P-N junction. This current flows in both directions and increases as the voltage increases, allowing the device to absorb the excess voltage, thereby stabilizing and protecting the circuit from becoming overloaded.

One of the main applications of Zener diodes is in regulator circuits. They can be used to provide a stable reference voltage such as in a voltage regulator, allowing a constant output voltage to be maintained when varying inputs are applied. In this application they act like a clamp, stopping any voltages from exceeding the Zener breakdown voltage. Additionally, they can also be used to protect other components from over-voltage, ensuring there is no damage to the circuit and that the output voltage remains stable.

Zener diodes are also commonly used in switch mode power supplies, for controlling the output voltage. Here, the Zener diode acts like a voltage regulator, absorbing any fluctuations in the output voltage and keeping it at a constant level. This is achieved by controlling the current through the diode, and can be used to increase or decrease the output voltage accordingly.

BZV90-C2V4,115 is a highly versatile Zener diode, offering a wide range of application possibilities. It is suitable for use in a range of circuits, from basic voltage regulator circuits, to voltage protection. With its low leakage current, reverse voltage protection capabilities and small package size, it is ideal for a range of applications, including automotive applications, consumer electronics and general electronics projects.

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