BZV55-C51,115

The BZV55-C51,115 is a Zener diode manufactured by Nexperia, designed for voltage regulation and protection applications. Here’s a detailed description of its key features and specifications:

General Description:

The BZV55-C51,115 is a silicon Zener diode that provides a stable reference voltage. It is commonly used in voltage regulation circuits, clamping applications, and as a voltage reference in various electronic devices. The diode is designed to maintain a constant voltage across its terminals when reverse-biased, making it ideal for protecting sensitive components from voltage spikes.

Key Specifications:

• Zener Voltage (Vz): The BZV55-C51,115 has a nominal Zener voltage of 51V, which means it will maintain this voltage across its terminals when reverse-biased at a specified test current.
• Power Dissipation (Pd): The diode can handle a maximum power dissipation of 1W, allowing it to operate effectively in various applications without overheating.
• Test Current (Iz): The specified test current for the Zener voltage is typically around 20mA, which is the current at which the Zener voltage is measured.
• Reverse Leakage Current (Ir): At the Zener voltage, the reverse leakage current is low, typically in the microamp range, ensuring minimal power loss during operation.
• Package Type: The BZV55-C51,115 is available in a DO-41 package, which is a cylindrical glass package that provides good thermal performance and is suitable for through-hole mounting.

Electrical Characteristics:

• Temperature Coefficient: The temperature coefficient of the Zener voltage is specified, indicating how the Zener voltage changes with temperature. This is crucial for applications requiring stable performance across varying temperatures.
• Dynamic Impedance (Zz): The dynamic impedance of the diode is low, which means it can respond quickly to changes in voltage, making it suitable for transient voltage suppression.

Applications:

• Voltage Regulation: Used in power supply circuits to maintain a constant output voltage.
• Overvoltage Protection: Protects sensitive electronic components from voltage spikes by clamping excess voltage.
• Reference Voltage: Serves as a stable reference voltage in analog circuits and sensor applications.

Mechanical and Environmental Characteristics:

• Operating Temperature Range: The diode can operate over a wide temperature range, typically from -55°C to +150°C, making it suitable for various environmental conditions.
• Moisture Sensitivity Level: The device is designed to be robust against moisture, ensuring reliability in humid environments.

Conclusion:

The BZV55-C51,115 from Nexperia is a reliable and efficient Zener diode that offers excellent voltage regulation and protection capabilities. Its robust design, combined with a wide range of operating conditions, makes it a versatile component for electronic circuit designers looking for stable performance in voltage-sensitive applications.