3EZ5.1D5E3/TR8

​The 3EZ5.1D5E3/TR8 diode is a single-type Zener diode. It is a two-terminal semiconductor component specifically designed to have a specific breakdown voltage of 5.1V with a maximum dissipation power of 350mW at 25⁰C. The diode consists of a polycrystalline silicon chip covered in an epoxy encapsulation, allowing it to withstand extreme temperatures, making it suitable for applications with extended temperature ranges.

In this article, we will explore the application field and working principle of 3EZ5.1D5E3/TR8 diodes.

Application Field

The 3EZ5.1D5E3/TR8 diode is mainly used in the protection of audio circuits, DC power supplies, and portable electronics. This Zener diode can be used as a voltage regulator, protecting sensitive electronics from over-voltage damage, as a voltage limiter, or as an effective surge suppressor.

3EZ5.1D5E3/TR8 diodes are also widely used in test equipment, automotive assemblies, and other applications that require low voltage clamping.

Working Principle

The 3EZ5.1D5E3/TR8 diode operates in a reverse breakdown mode, meaning that the voltage across the device will increase until the break-down voltage is reached. Once the break-down voltage is reached, the Zener diode acts as a regulator and will maintain the voltage to a steady state.

At increasing reverse voltage levels, the breakdown voltage remains virtually unchanged. Once the breakdown voltage is reached, the current will increase exponentially as the reverse voltage continues to increase.

Due to its design, the 3EZ5.1D5E3/TR8 diode has a low leakage current, making it suitable for low-current applications.

In summary, the 3EZ5.1D5E3/TR8 diode is a simple but versatile diode for a wide range of applications. It is used in the protection of electronics, as a voltage limiter and regulator, and as an surge suppressor. Its low leakage current makes it suitable for low-current applications.