SMZJ3804AHE3/5B

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The SMZJ3804AHE3/5B is a Silicon Zener Diode with a rated voltage of 3.8V and a maximum power dissipation of 500 mW. It is widely known for its high current capability and fast switching speed. Its low noise level, low leakage current and reverse leakage current make it suitable for a variety of applications. Its small size, ESD protection and easy installation add to its market appeal.

Though mainly used as a Zener diode, the SMZJ3804AHE3/5B can also be used as a voltage regulator, voltage follower, and current limiting element.

Application field

SMZJ3804AHE3/5B diodes are widely used in professional electronic applications such as military, automotive, aerospace and telecom. They are used in voltage regulator circuits, current limiting circuits, over-voltage protection circuits, load switches, protection circuits or a combination of these components. They can also be used in transient voltage suppression(TVS) elements for ESD protection.

SMZJ3804AHE3/5B diodes are suitable for use in power supplies, voltage regulators, linear stabilizers and other applications operating at or near 3.8V. The fast switching speed makes it useful for applications that need to respond quickly to sudden voltage changes. The low leakage current makes it suitable for low-noise applications.

The SMZJ3804AHE3/5B also finds use in setting up reference voltages, voltage stabilization and voltage regulation in electronic circuits. Their high current capability makes them ideal for motor controllers, power supplies, polarity blocking circuits and other high-current-drawing applications.

Working Principle

The SMZJ3804AHE3/5B diode’s working principle is similar to most Zener diodes. The diode is designed to allow the current to flow in one direction while blocking it in the other direction. However, if the voltage of the device rises above a certain point, the diode will turn on, allowing the current to flow in both directions and dissipating the excess voltage.

At certain voltages, the Zener diode will settle into a stable state and resists any further changes in voltage. At lower voltages, the diode acts as an ordinary diode blocking the current in one direction. As the voltage increases, the resistance decreases, allowing for larger currents to flow.

SMZJ3804AHE3/5B diodes are designed to have the characteristics of both a normal diode and a Zener diode, so they can be used in all sorts of applications. They offer the benefits of a low forward voltage drop, fast switching speeds, and stable operation in the reverse bias range. All of these features make it a great choice for a variety of applications.

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