2EZ30D2E3/TR12

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2EZ30D2E3/TR12 Application Field and Working Principle

The 2EZ30D2E3/TR12 is a part of the 2EZ30D series of Zener diodes, offered by Vishay Semiconductor. This series of Zener diodes are intended for use in high frequency, low noise applications and also have low forward voltage drops and high surge currents.

The 2EZ30D2E3/TR12 Zener diode has a maximum reverse voltage of 5.1V and a maximum threshold voltage of 4.7V. The maximum power dissipation of this diode is 0.5W and the maximum reverse current is 9mA. It is encapsulated in a dual-in-line SOT223 package.

Application Field

The 2EZ30D2E3/TR12 is designed for use in power regulation, current regulation, and clamping applications. It is particularly useful in portable electronics, such as portable CD players, camcorders and digital cameras, as it can provide protection of the device in case of voltage or current fluctuations. It is also suitable for use in RF amplifiers and modulators, power supplies, and other high frequency, low noise applications.

Working Principle

The working principle of the 2EZ30D2E3/TR12 is relatively simple. When a voltage is applied to the diode, electrons in the depletion region are accelerated by the electric field. These electrons move towards the anode, generating a current flow. As the voltage increases, the electric field becomes stronger and the electron current increases, eventually reaching the breakdown voltage of the diode.

Once the breakdown voltage is reached, the current continues to flow and the voltage remains constant, which is known as the Zener voltage. The 2EZ30D2E3/TR12 has a breakdown voltage of 4.7V and a Zener voltage of 5.1V, so when a voltage greater than 5.1V is applied, the diode will not allow any additional current flow and the voltage will remain at 5.1V.

The 2EZ30D2E3/TR12 is a valuable device for many circuit applications, as it can not only protect circuits from overvoltage, but can also provide a controlled voltage level. It is capable of handling high power and high speed signals, making it suitable for use in many applications where noise suppression or voltage regulation is needed.

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