BZX84C5V1LT1G Diodes - Zener - Single by ON Semiconductor

The BZX84C5V1LT1G is a Zener diode manufactured by ON Semiconductor, designed for voltage regulation and protection applications. Here’s a detailed description of its features and specifications:

General Description:

The BZX84C5V1LT1G is a low-power Zener diode that provides a stable reference voltage of 5.1 volts. It is commonly used in various electronic circuits for voltage clamping, voltage regulation, and as a reference voltage source. The diode is designed to operate in reverse bias, allowing it to maintain a constant voltage across its terminals when the reverse voltage exceeds its Zener breakdown voltage.

Key Features:

• Zener Voltage (Vz): 5.1V at a test current (Iz) of 20 mA, making it suitable for applications requiring a precise voltage reference.
• Power Dissipation: The maximum power dissipation is typically around 500 mW, allowing it to handle moderate power levels without overheating.
• Temperature Coefficient: The temperature coefficient is approximately 0.1%/°C, ensuring stable performance across a range of temperatures.
• Package Type: The diode is available in a small SOT-23 package, which is ideal for space-constrained applications and surface mount technology (SMT).
• Low Leakage Current: The BZX84C5V1LT1G features low reverse leakage current, which is crucial for maintaining efficiency in low-power applications.

Electrical Characteristics:

• Reverse Voltage (Vr): The maximum reverse voltage is typically rated at 5.6V, ensuring it can withstand minor overvoltage conditions.
• Dynamic Impedance (Zz): The dynamic impedance is low, typically around 10 ohms at the test current, which contributes to its effectiveness in voltage regulation.
• Reverse Current (Ir): At the Zener voltage, the reverse current is specified, allowing designers to understand the diode's behavior under normal operating conditions.

Applications:

The BZX84C5V1LT1G is widely used in:

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

Conclusion:

The BZX84C5V1LT1G from ON Semiconductor is a reliable and efficient Zener diode that provides a stable 5.1V reference voltage, making it an excellent choice for various electronic applications. Its compact SOT-23 package, low power dissipation, and stable performance across temperature variations make it suitable for modern electronic designs.