BZX384C13-E3-08 Discrete Semiconductor Products

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Diodes are a type of two-terminal active electronic component that primarily acts as a one-way gate for current. They are designed to let current flow in one direction, while blocking reversed current flow. Zener diodes are a type of diode designed to regulate the voltage across a load by allowing current in either direction when it is reverse biased. Single Zener Diode, like BZX384C13-E3-08, is a single-chip Zener diode that can be used in a variety of applications. Below, we will discuss its application field and working principle.

Application Field

BZX384C13-E3-08 is a dual matched 0.5W Zener diode chip typically used in low voltage voltage regulator. It has a maximum breakdown voltage of 13.2V, which means it can be used in applications requiring a stable voltage ranging from 5V to 13V. Thanks to its excellent thermal stability, it is also suitable for automotive and industrial applications such as low-voltage DC power supplies, lighting and voltage steady-state measurement. Its high power-handling capability to a maximum of 3A makes it a perfect choice for applications requiring current stabilization and voltage protection.

Working Principle

The working principle of the single Zener diode is based on the reverse bias characteristics of P-N junctions. When a reverse bias is applied to a P-N junction diode, it will become a resistor, where the voltage drop across the junction is constant. This voltage is known as Zener voltage, which is very stable even for small changes in current and temperature. The Zener diode, therefore, can act as a voltage regulator, allowing a stable voltage source to be generated.

When the Zener diode is connected in series with the load, it will control the output voltage. When the output voltage becomes higher than the Zener voltage, the diode will begin to conduct. This will cause a reduction in the output voltage, by creating a drop in current that will be equal to the Zener voltage. This way, the Zener diode will always regulate the output voltage to a fixed voltage based on the Zener voltage.

The BZX384C13-E3-08, in particular, is a single chip Zener diode with excellent power-handling capabilities, making it ideal for applications requiring current stabilization and voltage protection. Its ability to regulate voltages ranging from 5V to 13V makes it a perfect choice for a variety of low voltage voltage regulator applications.

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