1PMT5923C/TR7

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Diodes are a type of semiconductor component used to control the flow of current. Zener diodes are a type of diode used for voltage regulation and provide protection from overvoltage. The 1PMT5923C/TR7 is a single junction Zener diode from Diodes Incorporated, and is designed for a wide range of applications.

Application Field

The 1PMT5923C/TR7 is a silicon based device with a low breakdown voltage, making it well suited for a variety of applications. It is best used as a voltage clamping device, providing stability and protection to circuits that require a steady voltage. The device is generally used to provide protection to circuit components, circuitry, or integrated circuits that are vulnerable to overvoltage. Other applications include ESD protection, design of clamping/filtering diodes and flotation diodes, and electrical overstress protection.

Working Principle

The 1PMT5923C/TR7 is a structure of two pn junctions connected back to back. It uses the same basic principle as a standard diode, where the majority carriers (holes or electrons) will move through the pn junction when a forward bias voltage is applied. However, what makes Zener diodes unique is that if a reverse bias voltage is applied, a smaller current will flow and the device will create a voltage drop across it, helping to provide the regulation needed.

When the voltage across the 1PMT5923C/TR7 is greater than the Zener breakdown voltage (Vz), a small but constant reverse current (Iz) will begin to flow, and the diode will behave as a resistor. This enables the component to provide voltage regulation, as any changes in voltage or current will result in an equivalent change in the value of Iz, forming a negative feedback loop that helps to maintain a steady output voltage.

The breakdown voltage (Vz) of the 1PMT5923C/TR7 is generally specified between 5 V and 12 V, with a maximum clamping voltage of 17 V, and a maximum rated power of 500 mW. This Zener diode is designed to provide reliable and consistent voltage regulation over a wide range of applications.

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