Littelfuse Inc.
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V18AUMLA1812WH
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V18AUMLA1812WH Product Overview

Introduction

The V18AUMLA1812WH is a versatile electronic component designed for use in various applications. This entry provides an in-depth overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Protection against voltage transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: Surface mount
  • Essence: Safeguarding electronic circuits from voltage spikes
  • Packaging/Quantity: Tape and reel packaging, quantity varies based on supplier

Specifications

  • Voltage Rating: 18V
  • Peak Pulse Current: 100A
  • Operating Temperature Range: -55°C to +125°C
  • RoHS Compliance: Yes

Detailed Pin Configuration

The V18AUMLA1812WH features a standard surface mount package with two terminals. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components
  • Fast Response Time: Rapidly responds to voltage transients to prevent damage
  • Low Clamping Voltage: Limits the voltage across the protected circuit

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Compact surface mount package
  • RoHS compliant

Disadvantages

  • Limited to specific voltage ratings
  • Requires proper installation for optimal performance

Working Principles

When a voltage transient occurs, the V18AUMLA1812WH conducts excess current through its internal components, diverting it away from the sensitive circuitry. This action limits the voltage across the protected circuit, safeguarding it from potential damage.

Detailed Application Field Plans

The V18AUMLA1812WH is commonly used in the following applications: - Consumer electronics - Telecommunications equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • V5.0SMAJ18A: 5.0V Transient Voltage Suppressor
  • P6KE18CA: 18V Bi-directional TVS Diode
  • SMAJ18A: 18V Surface Mount Transient Voltage Suppressor

In conclusion, the V18AUMLA1812WH offers reliable protection against voltage transients in a compact surface mount package. Its fast response time, low clamping voltage, and high surge capability make it suitable for a wide range of electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de V18AUMLA1812WH dans les solutions techniques

  1. What is V18AUMLA1812WH?

    • V18AUMLA1812WH is a type of surface mount multilayer varistor used for overvoltage protection in electronic circuits.

  2. How does V18AUMLA1812WH work?

    • V18AUMLA1812WH works by providing a low impedance path for transient voltage surges, diverting excess current away from sensitive components.

  3. What are the typical applications of V18AUMLA1812WH?

    • V18AUMLA1812WH is commonly used in power supplies, communication equipment, automotive electronics, and industrial control systems for surge protection.

  4. What are the key specifications of V18AUMLA1812WH?

    • The key specifications include a maximum operating voltage, peak current capability, energy absorption capacity, and response time.

  5. How do I select the right V18AUMLA1812WH for my application?

    • The selection process involves considering the operating voltage, maximum surge current, energy handling capability, and physical size constraints of the application.

  6. Are there any reliability concerns with V18AUMLA1812WH?

    • V18AUMLA1812WH is designed for high reliability and long-term stability under normal operating conditions.

  7. Can V18AUMLA1812WH be used in outdoor or harsh environments?

    • Yes, V18AUMLA1812WH is suitable for outdoor and harsh environments due to its robust construction and protective coating.

  8. What are the potential failure modes of V18AUMLA1812WH?

    • Common failure modes include thermal runaway under sustained overvoltage conditions and mechanical damage from excessive mechanical stress.

  9. Is V18AUMLA1812WH compatible with lead-free soldering processes?

    • Yes, V18AUMLA1812WH is compatible with lead-free soldering processes and meets RoHS compliance requirements.

  10. Where can I find detailed technical information about V18AUMLA1812WH?

    • Detailed technical information, including datasheets and application notes, can be found on the manufacturer's website or through authorized distributors.