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Diodes - Zener - Single CZRU52C2V4 Application field and Working Principle

A Zener diode is ultimately a regular diode with an altered doping process. It has both a reverse bias voltage and a breakdown voltage and the purpose of this diode is to stabilize a voltage that’s in either reverse or forward biasing. The CZRU52C2V4 is a popular example of a Zener diode, which is mainly used as a voltage regulator. Generally, it is used to protect circuits and components from experiencing a short-term over voltage, while providing a stable voltage source.

Usage of Zener Diode CZRU52C2V4

The CZRU52C2V4 is a PN junction diode, which means that it is composed of two types of doped materials, one positively charged and the other negatively charged. It is capable of supporting a maximum current of 1A and stands out due to its ability to handle voltage surges of up to 200V. Moreover, the CZRU52C2V4 is included in low noise circuits, such as radio wave amplifiers due to its quiet operation.

The CZRU52C2V4 is mainly used as a voltage regulator in circuits, where its breakdown voltage enables it to block or regulate any excessive or unwanted voltages. Subsequently, this protects circuits from combustion due to temperature shift or overloads. It is mainly found in the form of voltage regulators for certain appliances and is known for its stability.

Working Principle of Zener Diode

The Zener Diode has a reverse breakdown voltage called the Zener Voltage, and it works opposite to a general diode. An ordinary diode allows current to pass through it in the forward direction and is blocked in the reverse direction, due to the voltage drop between its P-type and N-type junctions. However, when the reverse voltage applied is more than the breakdown voltage, the current passes through easily and the Zener diode is said to be in the breakdown region.

The CZRU52C2V4 has a breakdown voltage of 5.2V, but both the breakdown voltage and forward voltage drop differ from diode to diode. According to the voltage-current characteristics of the Zener diode, when the voltage applied is in the range of a few volts, the current increases exponentially.

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