Vishay Semiconductor Diodes Division
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BZX85C4V3-TR
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BZX85C4V3-TR: Product Overview and Detailed Information

Introduction

The BZX85C4V3-TR is a diode belonging to the category of Zener diodes. It is commonly used in electronic circuits for voltage regulation and protection against voltage spikes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the BZX85C4V3-TR.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage regulation and protection against voltage spikes
  • Characteristics: Reverse breakdown voltage of 4.3V, low leakage current, high reliability
  • Package: Axial leaded, DO-41 package
  • Essence: Semiconductor diode
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Reverse Breakdown Voltage (Vz): 4.3V
  • Power Dissipation (Pd): 1.3W
  • Forward Voltage (Vf): 1.2V
  • Operating Temperature Range: -65°C to +200°C
  • Zener Impedance (ZZT): 10Ω
  • Maximum Reverse Leakage Current (IR): 5μA

Detailed Pin Configuration

The BZX85C4V3-TR has two pins, with the cathode being shorter than the anode. The pinout configuration is as follows: - Anode (A) - Longer pin - Cathode (K) - Shorter pin

Functional Features

  • Precise voltage regulation
  • Protection against voltage surges
  • Low reverse leakage current
  • High reliability and stability

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Robust protection against voltage spikes
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The BZX85C4V3-TR operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when reverse biased. This allows it to regulate the voltage in a circuit and protect sensitive components from overvoltage conditions.

Detailed Application Field Plans

The BZX85C4V3-TR finds extensive use in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the BZX85C4V3-TR include: - 1N4728A: 3.3V Zener diode - BZX79-C4V3: 4.3V Zener diode - 1N746A: 4.3V Zener diode

In conclusion, the BZX85C4V3-TR Zener diode offers precise voltage regulation and robust protection against voltage spikes, making it a crucial component in various electronic circuits.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق BZX85C4V3-TR في الحلول التقنية

  1. What is the BZX85C4V3-TR?

    • The BZX85C4V3-TR is a 4.3V Zener diode designed for voltage regulation and overvoltage protection in electronic circuits.

  2. What are the typical applications of BZX85C4V3-TR?

    • It is commonly used in voltage regulator circuits, voltage reference circuits, and as a protective element against voltage spikes in various electronic devices.

  3. What is the maximum power dissipation of BZX85C4V3-TR?

    • The maximum power dissipation of BZX85C4V3-TR is typically around 1.3W.

  4. What is the voltage tolerance of BZX85C4V3-TR?

    • The voltage tolerance of BZX85C4V3-TR is typically ±5%.

  5. What is the operating temperature range of BZX85C4V3-TR?

    • The operating temperature range of BZX85C4V3-TR is usually between -65°C to +175°C.

  6. How does BZX85C4V3-TR provide voltage regulation?

    • BZX85C4V3-TR operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals when the current through it is within specified limits.

  7. Can BZX85C4V3-TR be used for ESD protection?

    • Yes, BZX85C4V3-TR can be used to protect sensitive components from electrostatic discharge (ESD) events by shunting excess voltage away from the protected circuit.

  8. What are the key electrical characteristics of BZX85C4V3-TR?

    • Key electrical characteristics include its zener voltage, reverse leakage current, and dynamic resistance.

  9. Is BZX85C4V3-TR suitable for automotive applications?

    • Yes, BZX85C4V3-TR is often used in automotive electronics for voltage regulation and transient protection.

  10. Are there any specific layout considerations for using BZX85C4V3-TR in a circuit?

    • It is important to minimize lead lengths and ensure proper heat sinking to maintain the stability and reliability of BZX85C4V3-TR in a circuit.