1N5221B-TR Discrete Semiconductor Products

Introduction

The 1N5221B-TR is a single Zener diode from ON Semiconductor. It is a surface mount component with a wide range of rated voltages and operating temperature. This article covers the the application field and working principle of the 1N5221B-TR diode.

Application Field

The 1N5221B-TR is ideal for low-power general purpose voltage regulation. It is typically used for low-current (<2A) applications, such as for automotive, industrial, and consumer electronics. Its small package size allows for easy mounting in high-density applications, such as in portable electronic devices. Its temperature range makes it suitable for commercial and industrial environments, while its wide rated voltages make it an ideal choice for a variety of voltage regulation applications.

Working Principle

At its core, the 1N5221B-TR is a diode junction- Zener diode. It conducts current in both directions like a normal diode and is capable of clamping an output to a specified voltage. This type of diode uses a built-in electric field to control the resistance of the junction. A greater applied voltage increases the resistance of the junction, thus lowering the current allowed to flow through the diode. This results in the diode clamping or regulating the output voltage to the specified voltage. In addition, the resistance of the junction will adjust to temperature changes, thus providing stable and reliable voltage regulation.

Conclusion

The 1N5221B-TR is a single Zener diode from ON Semiconductor. It is typically used for low-current (<2A) applications in automotive, industrial and consumer electronics. It has a wide rated voltage range, making it suitable for various voltage regulation applications. It operates using a built-in electric field to control the resistance of the junction, thus allowing it to clamp the output voltage to the specified voltage. It is also temperature-stable, which ensures reliable voltage regulation in all environments.