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Diodes - Zener - Single

The BZX84C3V0W-7 is a single zener diode designed for use in applications such as voltage regulation, overvoltage protection, and polarity protection. It is designed to hold a voltage close to its reference voltage and prevent current from flowing in either direction. This makes it ideal for use in power supplies, digital and analog circuits, communication circuitry, and countless other applications.

Features

• Low Leakage Current
• Low Zener Impedance
• High Reliability
• High Stability
• High Temperature Operation
• Low Temperature Coefficient

Typical Application

The BZX84C3V0W-7 can be used in many applications, such as:

• Voltage regulation
• AC voltage detection
• Energy scavenging systems
• Overvoltage protection
• Limiting excess current in automotive electrical systems
• Coupling, snubber, and clamping circuits

Working Principle

The BZX84C3V0W-7 operates on the principle that a diode connected in reverse-biased mode will not allow current to flow through it. This is because the potential difference across the diode is insufficient to overcome the "built-in" potential of the junction. This point is known as the "knee" voltage, and it is the primary characteristic of the BZX84C3V0W-7.

The BZX84C3V0W-7 also operates on the principle that when a diode is connected in forward-biased mode, the potential difference across it needs to be greater than the knee voltage in order for it to allow current to flow through it. This is because the potential difference across the diode must overcome the "built-in" potential of the junction, and only then will the diode be able to conduct current.

The BZX84C3V0W-7 also features a "reflection coefficient" which helps to prevent excessive current from flowing through the diode. This coefficient is a measure of how much of the current is reflected back to the source. The higher the coefficient, the lower the current flowing through the diode.

The BZX84C3V0W-7 can also be used in overvoltage protection applications. When the voltage across the diode exceeds the rated voltage, the diode will very quickly reduce the amount of current flowing through it, thus providing protection.

Conclusion

The BZX84C3V0W-7 is a single zener diode which has numerous applications in voltage regulation, overvoltage protection, and current limiting. Its low leakage current, low Zener impedance, high reliability, and high temperature operation make it an ideal choice for many applications. Its reflection coefficient also helps to prevent excessive current from flowing through the diode, and its use in overvoltage protection applications make it an excellent choice for those applications.

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