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BZX85B3V9-TR
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BZX85B3V9-TR: Product Overview and Detailed Information

Introduction

The BZX85B3V9-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 in electronic circuits
  • Characteristics: Provides a stable reference voltage, low dynamic impedance, and high reliability
  • Package: Axial leaded, DO-41 package
  • Essence: Semiconductor device for voltage regulation
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies by manufacturer

Specifications

  • Voltage: 3.9V
  • Power Dissipation: 1.3W
  • Zener Impedance: 10Ω
  • Operating Temperature Range: -65°C to +200°C
  • Tolerance: ±5%

Detailed Pin Configuration

The BZX85B3V9-TR has two leads, with the cathode marked by a band on the body of the diode. The anode is connected to the non-banded end, while the cathode is connected to the banded end.

Functional Features

  • Provides a stable voltage reference
  • Protects circuits from overvoltage conditions
  • Low dynamic impedance ensures minimal voltage variation

Advantages and Disadvantages

Advantages: - Stable voltage regulation - High reliability - Low dynamic impedance

Disadvantages: - Limited power dissipation capability - Tolerance of ±5% may not be suitable for precision applications

Working Principles

The BZX85B3V9-TR operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse biased. This allows it to regulate voltage and protect circuits from voltage spikes.

Detailed Application Field Plans

  • Voltage regulation in power supplies
  • Overvoltage protection in electronic circuits
  • Voltage reference in sensor circuits

Detailed and Complete Alternative Models

  • 1N4728A: 3.9V Zener diode
  • BZX79C3V9: 3.9V Zener diode
  • MM3Z3V9: 3.9V Zener diode

In conclusion, the BZX85B3V9-TR Zener diode is a reliable component for voltage regulation and protection in electronic circuits. Its stable voltage reference and low dynamic impedance make it suitable for various applications, despite its limitations in power dissipation and tolerance. Understanding its specifications, pin configuration, functional features, and alternatives is essential for effective utilization in electronic designs.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi BZX85B3V9-TR dalam penyelesaian teknikal

  1. What is the BZX85B3V9-TR?

    • The BZX85B3V9-TR is a 3.9V Zener diode with a power rating of 1.3W, commonly used for voltage regulation and protection in electronic circuits.

  2. What are the typical applications of BZX85B3V9-TR?

    • It is commonly used in voltage regulation, overvoltage protection, and voltage reference circuits in various electronic devices and systems.

  3. How does the BZX85B3V9-TR work in voltage regulation?

    • When the input voltage exceeds the breakdown voltage (3.9V), the diode conducts current, effectively clamping the output voltage to the breakdown voltage.

  4. What are the key specifications of the BZX85B3V9-TR?

    • The key specifications include a breakdown voltage of 3.9V, a power rating of 1.3W, and a tolerance of ±5%.

  5. Can the BZX85B3V9-TR be used for overvoltage protection?

    • Yes, it can be used to protect sensitive components from overvoltage by diverting excess current when the voltage exceeds 3.9V.

  6. Is the BZX85B3V9-TR suitable for voltage reference applications?

    • Yes, it can be used as a stable voltage reference due to its ability to maintain a relatively constant voltage across a wide range of currents.

  7. What are the temperature considerations for the BZX85B3V9-TR?

    • The BZX85B3V9-TR has a maximum operating temperature of 175°C, making it suitable for a wide range of environmental conditions.

  8. Can the BZX85B3V9-TR be used in automotive applications?

    • Yes, it is often used in automotive electronics for voltage regulation and protection due to its robustness and reliability.

  9. Are there any alternative components to the BZX85B3V9-TR?

    • Similar alternatives include the BZT52C3V9 and BZX79C3V9, which offer comparable performance in terms of voltage regulation and protection.

  10. What are the typical circuit configurations for the BZX85B3V9-TR?

    • It is commonly used in simple shunt regulator or voltage reference configurations, as well as in series with a current-limiting resistor for overvoltage protection.