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Diodes - Zener - Single

A PLZ20A-HG3/H (power line-neutralized, 20A, high gain) is an electronic component that is used as a type of diode specifically designed for the function of voltage regulation, a type known as a Zener diode. This component is a rectifier diode designed to be used for preventing voltage transients or surges that can cause circuit failure. It also helps maintain a steady voltage in the circuit, providing stability and consistency in a system\'s power supply.

The PLZ20A-HG3/H is designed for high power line applications, with a breakdown voltage ranging from 11.0 volts to 28.5 volts. This voltage range means the component can regulate AC power up to 180A, with a peak current of 20A. The component also is able to handle up to 8 watts of power at 24 volts, making it particularly useful in applications that require low-resistance current paths.

The component is typically used in combination with a bridge rectifier circuit, in order to provide voltage regulation throughout the circuit. In this configuration, the device helps maintain the voltage at a operating point that meets the requirements of the circuit. It does this by providing a path for current to flow to the ground while dissipating excess current when the input voltage is increased.

The component works through a variety of physical mechanisms. All diodes, including the PLZ20A-HG3/H, will allow current to travel from positive to negative terminals. During this process, the component\'s volt-ampere characteristics will shift depending on the bias applied to the component. When the applied bias is greater than the diode\'s breakdown voltage, the current will be able to flow through the device and create a drastic change in the operating point.

When the input voltage rises, the device will be able to dissipate the excess voltage and maintain the circuit\'s operating point. This process is known as Zener breakdown, and it occurs when the current is increased beyond the Zener voltage, which causes a decrease in the dynamic resistance of the component. The overall effect is a high gain, providing an effective voltage regulating solution.

Aside from its voltage regulation function, the PLZ20A-HG3/H also has other uses. The component provides an electrical isolation barrier, which increases system performance and prevents power surges. It also helps reduce the amount of power lost due to heat, as the device dissipates the excess current in a controlled way. The component can also be used in tandem with other components to channel current and provide a better current path across the entire circuit.

Overall, the PLZ20A-HG3/H is a powerful and efficient component for regulating voltage and dissipating excess current. It provides stability and consistency for power supplies, provides electrical isolation for high power line applications, helps reduce power losses due to heat, and channels current for a better performance in circuits. Due to these factors, the device is a popular choice for reliable and efficient power supply systems.

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