Vishay Semiconductor Diodes Division
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BZX55B2V4-TR
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BZX55B2V4-TR

Introduction

The BZX55B2V4-TR is a diode belonging to the category of Zener diodes. It is commonly used for voltage regulation and protection in various electronic circuits. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage regulation and protection
  • Characteristics:
    • Operates in reverse breakdown region
    • Precise voltage regulation
    • Low impedance
  • Package: SOD-123
  • Essence: Semiconductor device for voltage regulation
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Voltage: 2.4V
  • Power Dissipation: 500mW
  • Zener Impedance: 40Ω
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The BZX55B2V4-TR typically has two pins, with the cathode identified by a band marked on the body of the diode.

Functional Features

  • Voltage Regulation: Maintains a constant output voltage despite variations in input voltage or load current.
  • Overvoltage Protection: Safeguards sensitive components by diverting excess voltage away from the circuit.

Advantages

  • Precise voltage regulation
  • Compact size
  • Low cost

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The BZX55B2V4-TR operates in the reverse breakdown region, allowing it to maintain a constant voltage across its terminals. When the voltage across the diode reaches its specified value (2.4V), it conducts current to regulate the voltage.

Detailed Application Field Plans

  1. Voltage Regulation: Used in power supplies to stabilize output voltage.
  2. Overvoltage Protection: Incorporated in circuits to protect sensitive components from voltage spikes.
  3. Signal Clipping: Utilized in audio circuits to limit signal amplitude.

Detailed and Complete Alternative Models

  1. BZX55C2V4-TR: Higher power dissipation capability
  2. BZX55B3V0-TR: Different zener voltage rating for varied applications
  3. BZX85B2V4-TR: Higher wattage zener diode for increased power handling capacity

In conclusion, the BZX55B2V4-TR Zener diode serves as a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and low cost make it a popular choice for various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BZX55B2V4-TR v technických řešeních

Sure, here are 10 common questions and answers related to the application of BZX55B2V4-TR:

  1. What is the BZX55B2V4-TR?

    • The BZX55B2V4-TR is a 2.4V Zener diode designed for voltage regulation and overvoltage protection in electronic circuits.

  2. What is the maximum power dissipation of the BZX55B2V4-TR?

    • The maximum power dissipation of the BZX55B2V4-TR is typically 500mW.

  3. What is the voltage tolerance of the BZX55B2V4-TR?

    • The voltage tolerance of the BZX55B2V4-TR is typically ±5%.

  4. What are the typical applications of the BZX55B2V4-TR?

    • The BZX55B2V4-TR is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits in various electronic devices.

  5. What is the maximum forward voltage of the BZX55B2V4-TR?

    • The maximum forward voltage of the BZX55B2V4-TR is typically 1.5V at 200mA.

  6. What is the reverse leakage current of the BZX55B2V4-TR?

    • The reverse leakage current of the BZX55B2V4-TR is typically 0.5µA at the specified voltage.

  7. Can the BZX55B2V4-TR be used for voltage clamping applications?

    • Yes, the BZX55B2V4-TR can be used for voltage clamping to protect sensitive components from overvoltage conditions.

  8. What is the temperature coefficient of the BZX55B2V4-TR?

    • The temperature coefficient of the BZX55B2V4-TR is typically 0.07%/°C.

  9. What is the maximum junction temperature of the BZX55B2V4-TR?

    • The maximum junction temperature of the BZX55B2V4-TR is typically 150°C.

  10. Is the BZX55B2V4-TR RoHS compliant?

    • Yes, the BZX55B2V4-TR is RoHS compliant, making it suitable for use in environmentally friendly electronic products.