PZU16B,115

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PZU16B,115 Application Field and Working Principle

Diodes - Zener - Single are active semiconductor components used to control and regulate electric current. The PZU16B,115 is an ideal choice for regulating small digital circuits as it has a breakdown voltage of 16V, with a maximum power rating of 115 mW. To meet power supply design requirements, the PZU16B,115 is suitable for controlling high-current applications.

Applications

The PZU16B,115 has a wide range of applications primarily related to providing its users with high-accuracy, high reliability and fast protection for electric current. It is typically used as:

• Lighting, battery and other DC power supply circuits
• Power conditioning and other circuits of air conditioners
• UPS, switched mode power supply and standby power supply circuits
• DC-DC conversion, overvoltage protection, overload protection and burnout protection circuits
• Automobile, electric appliance and communication system circuits

Working Principle

The PZU16B,115 is designed as a Zener diode, meaning it is constructed of junctions connected in a reverse direction. When forward bias is applied, a state is achieved in which the current flowing through the junction increases while voltage remains substantially constant.

Conversely, when reverse bias is applied, a state is achieved in which the voltage across the junction increases disproportionately. This principle forms the heart of the PZU16B,115’s working, as it uses a constant reverse bias to create a ‘breakdown’. When the voltage across the PZU16B,115 increases to its defined breakdown voltage, a reverse breakdown current passes through the junction.

This process is used to regulate current levels as the Zener diode acts as a voltage reference, providing a stable voltage when circuit current changes occur.

A number of factors must be evaluated when using the PZU16B,115, such as the ambient temperature and the maximum voltage within the circuit after the breakdown voltage has been exceeded. The rating and power dissipation must also be controlled to avoid damaging the diode.

The PZU16B,115 is an important part of any circuit; while it may not be the most glamorous semiconductor device, without it much of the technology we enjoy in our everyday lives would not be possible.

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