BZX79C22_T50R Encyclopedia Entry

Product Overview

Category

The BZX79C22_T50R belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals.

Use

This particular Zener diode is commonly used for voltage regulation and transient suppression in various electronic circuits.

Characteristics

• Voltage Regulation: The BZX79C22_T50R has a fixed breakdown voltage of 22V, making it suitable for stabilizing voltage levels in electronic systems.
• Transient Suppression: It effectively suppresses voltage spikes and transients, protecting sensitive components in the circuit.
• Small Package: The diode is housed in a small, surface-mount package, making it suitable for compact electronic designs.
• High Reliability: It offers high reliability and stability under varying operating conditions.

Package

The BZX79C22_T50R is typically available in a SOD-123 package, providing ease of handling and compatibility with automated assembly processes.

Essence

The essence of this Zener diode lies in its ability to provide precise voltage regulation and protection against voltage surges, contributing to the overall stability and reliability of electronic systems.

Packaging/Quantity

It is commonly supplied in reels containing a specific quantity, typically ranging from hundreds to thousands of units per reel, depending on the manufacturer's specifications.

Specifications

• Breakdown Voltage: 22V
• Power Dissipation: 500mW
• Operating Temperature Range: -65°C to +150°C
• Forward Voltage: 1.2V
• Reverse Leakage Current: 5μA

Detailed Pin Configuration

The BZX79C22_T50R features a standard SOD-123 package with two terminals. The pin configuration includes the anode and cathode terminals, with the anode being connected to the positive side of the circuit and the cathode to the negative side.

Functional Features

• Voltage Regulation: The diode maintains a constant voltage drop across its terminals, ensuring stable operating conditions for connected components.
• Transient Suppression: It effectively clamps excessive voltage spikes, safeguarding sensitive parts of the circuit from damage.
• Compact Design: Its small form factor makes it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Effective transient suppression
• Compact and versatile design
• High reliability and stability

Disadvantages

• Limited power dissipation capability
• Vulnerable to thermal stress in high-power applications

Working Principles

The BZX79C22_T50R operates based on the Zener effect, where it exhibits a controlled breakdown at a specified voltage when reverse-biased. This allows it to regulate voltage and suppress transients by diverting excess current.

Detailed Application Field Plans

Voltage Regulation

The diode can be utilized in power supply circuits to maintain a stable output voltage, ensuring consistent performance of connected devices.

Transient Suppression

In electronic systems exposed to voltage spikes, the BZX79C22_T50R can be employed to protect sensitive components such as microcontrollers, ICs, and sensors from damage.

Signal Clipping

It can be used to clip or limit the amplitude of input signals in communication and audio circuits, preventing signal distortion.

Detailed and Complete Alternative Models

• BZX79C20_T50R: 20V breakdown voltage
• BZX79C24_T50R: 24V breakdown voltage
• BZX79C18_T50R: 18V breakdown voltage
• BZX79C15_T50R: 15V breakdown voltage

These alternative models offer different breakdown voltages to cater to diverse voltage regulation requirements in electronic circuits.

In conclusion, the BZX79C22_T50R Zener diode serves as a crucial component in electronic systems, providing precise voltage regulation and transient suppression. Its compact design and reliability make it a preferred choice for various applications, despite its limitations in high-power scenarios.

Word Count: 590