3EZ68D/TR8

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Introduction

3EZ68D/TR8 is a single zener diode manufactured by ON Semiconductor. It is widely used in various applications, including as an energy-efficient and low-cost voltage reference device, overvoltage protection, or as a voltage-clamping device. This article will provide an overview of the application fields and working principles of the 3EZ68D/TR8 diode.

Application Fields

The 3EZ68D/TR8 is part of the EZ family of zener diodes manufactured by ON Semiconductor, providing a voltage reference and overvoltage protection in a variety of applications. It is available in an E-Brick package, making it suitable for use in space-constrained systems. The device has a low leakage current, making it suitable for low-power applications as well.

The 3EZ68D/TR8 can be used as a voltage reference or voltage-regulation device in audio and video equipment, industrial systems, computers, or car audio systems. As a voltage regulator, it can maintain consistent output levels in a power supply, to ensure a stable operation. It can also be used for overvoltage protection, to protect delicate components from voltage spikes.

The 3EZ68D/TR8 can also be used as a voltage-clamping device, to limit the input voltage of a circuit. This can be helpful in ensuring a circuit does not experience voltage fluctuations outside of its operational range, to prevent any potential damage.

Working Principle

The 3EZ68D/TR8 is an integrated, double-diffused planar diode designed with a single p-n junction. It is designed to provide a low-voltage, low-current reference source. The diode is rated for a Zener breakdown voltage of 8V +/- 5%, making it suitable for various voltage-regulation and other low-voltage applications.

In its most basic form, the 3EZ68D/TR8 functions as a simple rectifier. When the voltage across the diode reaches the Zener voltage, the diode conducts, allowing current to flow in one direction. This causes the voltage across it to drop, resulting in a relatively constant output voltage.

The 3EZ68D/TR8 can also be used as a voltage-clamping device. When a voltage spike is detected, the diode is designed to conduct and reduce the output voltage, limiting the amount of current that reaches the circuitry. This helps to protect the system from potential damage due to voltage surges.

Conclusion

The 3EZ68D/TR8 is a single zener diode from ON Semiconductor, suitable for a wide array of low-voltage applications. It can function as a voltage regulator, overvoltage protection, or a voltage-clamping device, depending on the application. The device has a low leakage current and is available in a compact E-Brick package, making it ideally suited for space-constrained systems and low-power applications.

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