STMicroelectronics
Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
BZW04-20
Se detaljer DataSheets

BZW04-20: Product Overview and Analysis

Introduction

The BZW04-20 is a crucial component in the field of electronics, belonging to the category of transient voltage suppressors (TVS). This entry will provide an in-depth overview of the BZW04-20, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressors (TVS)
  • Use: Protection against transient voltage spikes
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: DO-15 package
  • Essence: Safeguarding electronic circuits from voltage transients
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Voltage Rating: 20V
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 22.2V to 24.4V
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The BZW04-20 typically features a DO-15 package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
  • Fast Response Time: Rapidly responds to transient voltage spikes, safeguarding connected circuits.
  • High Surge Capability: Capable of withstanding high surge currents, ensuring reliable protection.

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage spikes
  • Fast response time ensures minimal impact on connected circuits
  • High surge capability enhances reliability in demanding environments

Disadvantages

  • Limited to specific voltage ratings
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The BZW04-20 operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the TVS device rapidly conducts excess current, diverting it away from sensitive components and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The BZW04-20 finds extensive application in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the BZW04-20 include: - BZW04-13 - BZW04-30 - BZW04-36 - BZW04-48

These alternative models offer varying voltage ratings and characteristics, catering to diverse application requirements.

In conclusion, the BZW04-20 plays a pivotal role in protecting electronic circuits from transient voltage spikes. Its high surge capability, low clamping voltage, and fast response time make it a valuable component in numerous applications. Understanding its specifications, pin configuration, functional features, and alternative models provides essential insights for engineers and designers seeking effective transient voltage suppression solutions.

[Word Count: 443]

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af BZW04-20 i tekniske løsninger

  1. What is the BZW04-20?

    • The BZW04-20 is a transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum working voltage of BZW04-20?

    • The maximum working voltage of BZW04-20 is 17.1V.

  3. What is the peak pulse power dissipation of BZW04-20?

    • The peak pulse power dissipation of BZW04-20 is 400W.

  4. What are the typical applications of BZW04-20?

    • BZW04-20 is commonly used in surge protection for telecommunications equipment, automotive electronics, and industrial control systems.

  5. How does BZW04-20 provide overvoltage protection?

    • BZW04-20 clamps the voltage to a safe level by diverting excess current away from sensitive components when a transient event occurs.

  6. What is the response time of BZW04-20?

    • The response time of BZW04-20 is very fast, typically in the nanosecond range.

  7. Can BZW04-20 be used for ESD protection?

    • Yes, BZW04-20 can be used for electrostatic discharge (ESD) protection in electronic circuits.

  8. What is the operating temperature range of BZW04-20?

    • The operating temperature range of BZW04-20 is -55°C to 175°C.

  9. Is BZW04-20 RoHS compliant?

    • Yes, BZW04-20 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. Are there any recommended layout considerations when using BZW04-20 in a circuit?

    • It is recommended to keep the traces short and minimize the loop area to optimize the performance of BZW04-20 in a circuit.