BZX84-C27,215

The BZX84-C27,215 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 BZX84-C27,215 is a low-power Zener diode that provides a stable reference voltage of 27 volts. It is part of the BZX84 series, which is known for its reliability and performance in various electronic circuits. This diode is commonly used in voltage regulation, clamping, and protection circuits.

Key Features:

• Zener Voltage (Vz): The nominal Zener voltage is 27V, which means it can maintain this voltage across its terminals when reverse-biased and the current is within specified limits.
• Power Dissipation (Pd): The diode can handle a maximum power dissipation of 500 mW, making it suitable for low to moderate power applications.
• Reverse Current (Iz): The Zener diode operates effectively with a reverse current of up to 20 mA, ensuring stable voltage regulation under varying load conditions.
• Temperature Coefficient: The temperature coefficient is typically around -2.2 mV/°C, indicating how the Zener voltage changes with temperature, which is crucial for applications requiring precision.
• Package Type: The BZX84-C27,215 is available in a DO-35 glass package, which is compact and provides good thermal performance. The package is designed for easy mounting on PCBs.

Electrical Characteristics:

• Maximum Reverse Voltage (Vr): The maximum reverse voltage rating is typically higher than the Zener voltage, ensuring safe operation without breakdown.
• Dynamic Impedance (Zz): The dynamic impedance is low, which helps maintain a stable output voltage even with variations in load current.
• Leakage Current (Ir): The leakage current at the Zener voltage is minimal, ensuring efficient operation and reduced power loss.

Applications:

The BZX84-C27,215 is widely used in:

• Voltage regulation circuits to provide a stable reference voltage.
• Overvoltage protection circuits to safeguard sensitive components.
• Signal clamping applications to prevent voltage spikes.
• Power supply circuits where voltage stabilization is required.

Conclusion:

The BZX84-C27,215 from Nexperia is a versatile and reliable Zener diode suitable for various electronic applications. Its combination of stable voltage regulation, low power dissipation, and compact packaging makes it an excellent choice for engineers and designers looking to enhance the performance and reliability of their circuits.