PLZ22D-HG3/H Discrete Semiconductor Products

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A PLZ22D-HG3/H diode is a zinc-oxide varistor, also known as a voltage regulator or surge protector. It is designed to protect electronic components from high-voltage transients, over-voltage, voltage spikes, and other electrical transients. The PLZ22D-HG3/H can be used in a variety of applications, including industrial, automotive, telecommunications, and medical. It is also widely used in avionics.

The PLZ22D-HG3/H is a three-terminal device with a discrete lead frame design that offers superior heat dissipation capabilities. It operates at a specified voltage, typically between 6.3 to 330 volts, depending on the model chosen. The nominal power dissipation is 110 mW and the maximum stand-off voltage is 741 volts. Its operating temperature ranges from -55°C to +175°C. Its superior mechanical and thermal performance makes it ideal for a variety of applications.

The PLZ22D-HG3/H’s working principle is fairly straightforward. It is a voltage-controlled device that acts like a diode. In normal operation, the two terminals are connected, allowing current to flow through the device. When an over-voltage or voltage spike occurs, the device acts like a diode, shunting the current away from the sensitive components it is designed to protect. It is generally recommended to use the PLZ22D-HG3/H in applications where over-voltage protection is required.

The PLZ22D-HG3/H can be used in a variety of applications that require the protection of sensitive components from over-voltage. It is commonly used in automotive, telecommunications, medical and avionic applications. It is also suitable for use in industrial applications where over-voltage protection is necessary. The superior thermal and mechanical performance of the PLZ22D–HG3/H make it a great choice for use in a variety of different applications where high-voltage transients, over-voltage, and voltage spikes may be present.

In summary, the PLZ22D-HG3/H is a zinc-oxide varistor, or voltage regulator, that is specifically designed to protect sensitive components from over-voltage, high-voltage transients, and voltage spikes. Its three-terminal design offers superior heat dissipation capabilities, making it suitable for a variety of applications. The operating temperature range for the PLZ22D-HG3/H is -55°C to +175°C and the nominal power dissipation is 110 mW. It is commonly used in automotive, telecommunications, medical and avionics applications. The PLZ22D-HG3/H works by acting like a diode, shunting the current away from the components it is designed to protect.

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