BZT52C3V9-7-F

The BZT52C3V9-7-F is a Zener diode manufactured by Diodes Incorporated, designed for voltage regulation and protection applications. Here’s a detailed description of its key features and specifications:

General Description:

The BZT52C3V9-7-F is a Zener diode that provides a stable reference voltage, making it ideal for use in voltage regulation circuits. It is particularly useful in applications where a precise voltage is required, such as in power supplies, voltage clamping, and signal conditioning.

Key Specifications:

• Zener Voltage (Vz): The BZT52C3V9-7-F has a nominal Zener voltage of 3.9V, which means it will maintain this voltage across its terminals when reverse-biased and operating in the Zener breakdown region.
• Power Dissipation (Pd): The diode can handle a maximum power dissipation of 500 mW, allowing it to operate effectively in various circuit conditions without overheating.
• Current Rating (Iz): The Zener current can range up to 49 mA, which is the maximum current the diode can handle while still maintaining its specified Zener voltage.
• Temperature Coefficient: The temperature coefficient of the Zener voltage is typically around -2.1 mV/°C, indicating how the Zener voltage changes with temperature variations.

Package and Dimensions:

• Package Type: The BZT52C3V9-7-F is available in a DO-214AC (SMA) package, which is a surface-mount device (SMD) configuration. This package is compact and suitable for automated assembly processes.
• Dimensions: The DO-214AC package typically measures approximately 4.6 mm in length and 2.6 mm in width, with a height of about 1.5 mm, making it suitable for space-constrained applications.

Electrical Characteristics:

• Reverse Leakage Current (Ir): At the Zener voltage, the reverse leakage current is typically low, ensuring minimal power loss and efficient operation.
• Dynamic Impedance (Zz): The dynamic impedance of the diode is low, which helps maintain a stable output voltage under varying load conditions.

Applications:

The BZT52C3V9-7-F is commonly used in:

• Voltage regulation circuits
• Overvoltage protection
• Reference voltage sources
• Signal clamping and conditioning
• Power supply circuits

Reliability and Compliance:

Diodes Incorporated ensures that the BZT52C3V9-7-F meets various industry standards for reliability and performance, making it a trusted choice for engineers and designers in electronic applications.

Conclusion:

The BZT52C3V9-7-F from Diodes Incorporated is a versatile Zener diode that offers reliable voltage regulation and protection in a compact package. Its specifications make it suitable for a wide range of electronic applications, ensuring stable performance in various operating conditions.