Vishay Semiconductor Diodes Division
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BZX384C43-HE3-18
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BZX384C43-HE3-18

Introduction

The BZX384C43-HE3-18 is a crucial component in the field of electronics, specifically in voltage regulation and protection. This entry provides an in-depth overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Voltage Regulator Diode
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics: Low leakage current, high reliability, and precise voltage regulation
  • Package: SOD-323 (SC-76)
  • Essence: Zener diode for voltage regulation
  • Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel

Specifications

  • Voltage: 43V
  • Power Dissipation: 250mW
  • Operating Temperature Range: -65°C to +150°C
  • Zener Impedance: 40Ω
  • Maximum Reverse Leakage Current: 100nA

Detailed Pin Configuration

The BZX384C43-HE3-18 has a standard SOD-323 (SC-76) package with two pins. The cathode is connected to the ground, while the anode is the regulated output.

Functional Features

  • Precise voltage regulation at 43V
  • Low reverse leakage current
  • Fast response time to voltage fluctuations
  • High reliability and stability over temperature variations

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Low power dissipation
  • Small form factor
  • Wide operating temperature range

Disadvantages

  • Limited maximum power dissipation
  • Higher cost compared to basic diodes

Working Principles

The BZX384C43-HE3-18 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when it is reverse-biased. This allows it to regulate the voltage in electronic circuits and protect sensitive components from voltage spikes.

Detailed Application Field Plans

The BZX384C43-HE3-18 finds extensive use in various applications, including: - Voltage regulation in power supplies - Overvoltage protection in communication systems - Signal clamping in audio and video equipment - Voltage reference in precision measurement instruments

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or package types, alternative models include: - BZX384C5V6-HE3-18 (5.6V) - BZX384C12-HE3-18 (12V) - BZX384C56-HE3-18 (56V) - BZX384C75-HE3-18 (75V)

In conclusion, the BZX384C43-HE3-18 plays a critical role in voltage regulation and protection in electronic circuits, offering precise regulation, low leakage current, and high reliability. Its compact size and wide operating temperature range make it suitable for diverse applications, from power supplies to communication systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BZX384C43-HE3-18 v technických řešeních

Sure, here are 10 common questions and answers related to the application of BZX384C43-HE3-18 in technical solutions:

  1. What is the BZX384C43-HE3-18?

    • The BZX384C43-HE3-18 is a Zener diode with a voltage rating of 43V.

  2. What are the typical applications of BZX384C43-HE3-18?

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

  3. What is the maximum power dissipation of BZX384C43-HE3-18?

    • The maximum power dissipation is typically around 500mW.

  4. What is the operating temperature range of BZX384C43-HE3-18?

    • The operating temperature range is usually between -65°C to +150°C.

  5. How does BZX384C43-HE3-18 provide overvoltage protection?

    • When the voltage across the diode exceeds its breakdown voltage (43V), it conducts heavily, limiting the voltage across the circuit it is protecting.

  6. Can BZX384C43-HE3-18 be used in voltage reference circuits?

    • Yes, it can be used as a stable voltage reference due to its precise breakdown voltage.

  7. What are the key characteristics of BZX384C43-HE3-18 for voltage regulation?

    • It has a sharp breakdown knee and low dynamic impedance, making it suitable for voltage regulation applications.

  8. Is BZX384C43-HE3-18 suitable for high-frequency applications?

    • Yes, it can be used in high-frequency circuits due to its fast response time.

  9. What are the package options available for BZX384C43-HE3-18?

    • It is commonly available in SOD-323 surface mount packages.

  10. Are there any precautions to consider when using BZX384C43-HE3-18 in a circuit?

    • It's important to ensure that the maximum current and power dissipation ratings are not exceeded to prevent damage to the diode.

I hope these questions and answers are helpful for your technical solutions involving the BZX384C43-HE3-18. Let me know if you need further assistance!