Littelfuse Inc.
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V140LU20CPX340
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V140LU20CPX340

Introduction

The V140LU20CPX340 is a high-performance transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides an overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients induced by lightning and other transient voltage events
  • Characteristics: High performance, reliability, fast response time
  • Package: SMC (DO-214AB)
  • Essence: TVS diode for surge protection
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 140W
  • Standoff Voltage: 20V
  • Breakdown Voltage: 22.2V
  • Clamping Voltage: 32.4V
  • Peak Pulse Current: 11.5A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The V140LU20CPX340 follows the standard SMC (DO-214AB) package configuration with two leads.

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge current capability
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events
  • Fast response time ensures minimal damage to protected equipment
  • RoHS compliant, environmentally friendly

Disadvantages

  • May require additional circuitry for comprehensive surge protection in complex systems
  • Limited to specific voltage and current ratings

Working Principles

The V140LU20CPX340 operates by diverting excessive current away from sensitive electronic components when a transient voltage event occurs. It rapidly clamps the voltage to a safe level, protecting downstream components from damage.

Detailed Application Field Plans

The V140LU20CPX340 is suitable for a wide range of applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

  • Alternative Model 1: V130LA20CPX340
  • Alternative Model 2: V150LU20CPX340
  • Alternative Model 3: V140LU30CPX340

In conclusion, the V140LU20CPX340 transient voltage suppressor diode offers reliable protection against transient voltage events and finds extensive use in various electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de V140LU20CPX340 dans les solutions techniques

  1. What is V140LU20CPX340?

    • V140LU20CPX340 is a type of transient voltage suppressor (TVS) diode used to protect electronic circuits from voltage spikes and transients.

  2. What are the key specifications of V140LU20CPX340?

    • V140LU20CPX340 has a working peak reverse voltage of 140V, a clamping voltage of 227V at 10A, and a peak pulse current of 300A.

  3. In what applications can V140LU20CPX340 be used?

    • V140LU20CPX340 is commonly used in power supplies, industrial equipment, automotive electronics, and telecommunications equipment to protect against voltage surges and transients.

  4. How does V140LU20CPX340 provide protection in technical solutions?

    • V140LU20CPX340 diverts excessive voltage away from sensitive components by conducting excess current to ground, thereby safeguarding the circuitry from damage.

  5. What are the mounting options for V140LU20CPX340?

    • V140LU20CPX340 is available in various package types, including surface mount and through-hole, providing flexibility for different PCB designs.

  6. What are the temperature considerations for V140LU20CPX340?

    • V140LU20CPX340 has an operating temperature range of -55°C to 175°C, making it suitable for a wide range of environmental conditions.

  7. Are there any reliability tests or certifications for V140LU20CPX340?

    • V140LU20CPX340 may have undergone reliability testing such as AEC-Q101 qualification for automotive applications, and it may also be compliant with industry standards like IEC 61000-4-5 for surge immunity.

  8. Can V140LU20CPX340 be used in high-speed data lines?

    • Yes, V140LU20CPX340 is suitable for protecting high-speed data lines, such as USB, Ethernet, and HDMI, from voltage transients.

  9. What are the typical failure modes of V140LU20CPX340?

    • V140LU20CPX340 may fail due to prolonged exposure to overvoltage conditions, exceeding its maximum ratings, or physical damage to the device.

  10. Where can I find detailed application notes for using V140LU20CPX340 in technical solutions?

    • Detailed application notes for V140LU20CPX340 can be found on the manufacturer's website, providing guidance on circuit design, layout considerations, and best practices for integration into technical solutions.