BZX884-C4V3,315

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Diodes, also known as rectifiers, are semiconductor devices that allow electrical current to flow in one direction. Zener diodes are a type of diode that is used to regulate the voltage within a specific range. A single Zener diode is a device consisting of a single p-n junction. The BZX884-C4V3,315 is a single Zener diode from NXP Semiconductors that is used in voltage regulation applications.

Features and Structure

The BZX884-C4V3,315 is designed for use in a range of applications and has a wide operating temperature range from -55°C to +150°C, which makes it suitable for use in harsh environmental conditions. It has an avalanche voltage of 4.3V and a maximum power dissipation of 500mW. The peak forward surge current rating of this diode is 2A. The structure of this diode includes a GaAs substrate and a gold-plated nickel alloy lead frame. The hermetically sealed package provides protection against contamination and oxidation.

Applications

The BZX884-C4V3,315 is commonly used in voltage regulation applications that require a regulated voltage output within a specific range. It is well-suited for use in power supplies, as it can be used to maintain a constant output voltage, regardless of input voltage or load changes. This diode can also be used in battery-powered applications to provide voltage regulation for the battery. Other applications include over-voltage protection for automotive and industrial circuits, surge suppressors, and references for precision circuits such as analog-to-digital converters.

Working Principle

The BZX884-C4V3,315 operates in either the reverse-biased breakdown or the forward-biased modes, depending on the voltage applied across the junction. In the reverse-biased mode, the diode behaves like a normal diode, conducting current in one direction only. When the reverse voltage reaches a certain level, the diode enters the breakdown region and conducts current in both directions. This can be used to maintain a constant voltage output. In the forward-biased mode, the diode operates like a resistor and can be used to limit the current flowing through a circuit.

Conclusion

The BZX884-C4V3,315 is a single Zener diode from NXP Semiconductors that is used in voltage regulation applications. It has a wide operating temperature range and is suitable for use in harsh conditions. It is commonly used in power supplies, surge suppressors, and battery-powered applications to provide voltage regulation. This diode operates in either the reverse-biased breakdown or the forward-biased mode, depending on the voltage applied across the junction.

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