UDZSTE-179.1B Discrete Semiconductor Products

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Introduction

Zener diodes are used for voltage regulation or for protecting circuits from overvoltage. Single diodes such as the UDZSTE-179.1B are designed for use in applications where the long life, low leakage, and rugged design are important. In this article, we will discuss the UDZSTE-179.1B application field, as well as its working principle and key features.

Application field

The UDZSTE-179.1B is a High Reliability Zener Diode, which is ideal for use in medical equipment, avionics, military, and other space-limited applications. It offers precise voltage regulation over a wide range of temperature with very low dynamic impedance. This makes it suitable for use as a low-dropout voltage regulator, as well as for overvoltage protection.

Working principle

The UDZSTE-179.1B operates using the same principles as general diodes: when forward biased, it will allow current to pass through and establish the forward voltage drop. When reverse biased, the junction is reversed biased and the current flow is blocked. However, when the reverse bias voltage reaches the Zener breakdown voltage, the diode will start to conduct in an avalanche effect. This means that a constant voltage across the junction is maintained and the current flows as long as the voltage is above the Zener breakdown voltage.

Features

The UDZSTE-179.1B is designed to provide the user with several benefits. It offers a wide operating temperature range from -55°C to +125°C, low dynamic impedance, and very low forward voltage drop over temperature. Furthermore, it features a capacitance range of 5–50 pF, which makes it highly suitable for applications where precision voltage control is required. It is also capable of providing up to 0.5 watt of power dissipation, making it suitable for a wide range of applications.

Conclusion

The UDZSTE-179.1B is a high reliability Zener Diode, which is suitable for use in medical equipment, avionics, military, and other space-limited applications. It offers precise voltage regulation over a wide temperature range with very low dynamic impedance, as well as a wide capacitance range from 5–50 pF. It is designed to provide the user with a long life and low leakage operation, as well as rugged design for reliable operation in a wide range of environments. As such, it is an ideal choice for applications where low-dropout voltage regulation and overvoltage protection are important.

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