SMBJ5921AE3/TR13

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The SMBJ5921AE3/TR13 is a single Zener diode that provides a variety of functions from protection to voltage stabilization. The diode is a general-purpose component used in numerous applications. This section will discuss the common applications, features, and the working principle of the SMBJ5921AE3/TR13.

Applications

The SMBJ5921AE3/TR13 has a broad range of potential applications. Its primary use is for protection and as a reference voltage for digital circuits. It helps regulate and protect from transients and surges in high-speed circuits. Moreover, it can prevent electrostatic discharge, suppress noise, and provide reverse current protection, making it a multi-purpose component.

The SMBJ5921AE3/TR13 provides stable voltage regulation even when the power source output is unstable. This makes it ideal for a variety of situations, such as communications equipment and processor circuits. Its stability in temperature and current make it possible to use it in low-voltage RVT and DC/DC power management circuits. It also demonstrates excellent temperature performance compared to other conventional Zener diodes, making it suitable for automotive applications.

Features

The SMBJ5921AE3/TR13 has a variety of features that set it apart from other Zener diodes. These features include:

• A peak current rating of 8 A
• An operating junction temperature range of -55°C to 150°C
• A power dissipation rating of 500 mW
• An operating resistance of 36 mΩ

The SMBJ5921AE3/TR13 is capable of working at input voltages of up to 30 V and maintaining a voltage of 3.3 V. In terms of its clamping voltage, it has a maximum rating of 43 V. It has a high-temperature capability, making it well-suited for operation in hazardous environments.

Working Principle

The working principle of the SMBJ5921AE3/TR13 is that of a Zener diode. When the anode voltage of the Zener diode is higher than its breakdown voltage, reverse current flows through the Zener diode, resulting in a stable voltage. As the voltage increases, the current through the diode will also increase, up to a certain limit. The SMBJ5921AE3/TR13 is a low dropout clamp type, which means it will maintain a steady output voltage even with a small dropout.

The SMBJ5921AE3/TR13 can be used for a variety of applications, from low-voltage RVT and DC/DC power management circuits to communications equipment and processor circuits. Its features and stability make it an all-purpose component, which makes it a valuable addition to any circuit.

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