Littelfuse Inc.
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V140LS2P
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V140LS2P Product Overview

Introduction

The V140LS2P is a voltage suppressor diode that belongs to the category of transient voltage suppressors (TVS). It is commonly used to protect sensitive electronic components from voltage spikes and transients. This entry provides an overview of the V140LS2P, including 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 Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: DO-15
  • Essence: Silicon TVS diode
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 140V
  • Clamping Voltage: 243V
  • Peak Pulse Current: 10A
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The V140LS2P has a standard DO-15 package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response to transient over-voltage events
  • Low clamping voltage to protect downstream components
  • High surge current capability for robust protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Robust construction for reliable performance

Disadvantages

  • Higher clamping voltage compared to some alternative models
  • Limited to specific voltage ratings

Working Principles

The V140LS2P operates by diverting excessive transient currents away from sensitive components, thereby limiting the voltage across the protected device. When a transient voltage spike occurs, the diode rapidly switches into its low impedance state, shunting the excess energy to ground and protecting the connected circuitry.

Detailed Application Field Plans

The V140LS2P is widely used in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the V140LS2P include: - V130LS2P: Lower breakdown voltage (130V) - V150LS2P: Higher breakdown voltage (150V) - V160LS2P: Higher breakdown voltage (160V)

In conclusion, the V140LS2P is a reliable transient voltage suppressor diode with robust characteristics and effective protection capabilities. Its fast response time and high surge current capability make it suitable for a wide range of applications, despite some limitations in clamping voltage. Understanding its specifications, pin configuration, functional features, and application field plans can aid in its optimal utilization within electronic circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací V140LS2P v technických řešeních

  1. What is V140LS2P?

    • V140LS2P is a type of varistor, also known as a voltage-dependent resistor, that is commonly used to protect electronic circuits from overvoltage conditions.

  2. What are the key specifications of V140LS2P?

    • The V140LS2P varistor has a maximum allowable voltage of 140V and a peak current capability of 8000A.

  3. How does V140LS2P protect electronic circuits?

    • V140LS2P varistors act as voltage clamping devices, conducting excess current when the voltage across them exceeds a certain threshold, thereby protecting sensitive components in the circuit.

  4. In what applications is V140LS2P commonly used?

    • V140LS2P varistors are frequently employed in power supplies, telecommunication equipment, industrial electronics, and automotive systems to safeguard against transient voltage spikes.

  5. What is the operating temperature range of V140LS2P?

    • The V140LS2P varistor can typically operate within a temperature range of -40°C to 85°C.

  6. How should V140LS2P be connected in a circuit?

    • V140LS2P varistors are typically connected in parallel with the load or component being protected, allowing them to shunt excess voltage away from the sensitive components.

  7. Can V140LS2P be used for outdoor applications?

    • Yes, V140LS2P varistors are designed to withstand outdoor conditions and can be used in outdoor applications with appropriate protection from moisture and contaminants.

  8. What are the potential failure modes of V140LS2P?

    • Common failure modes of V140LS2P varistors include degradation due to prolonged exposure to overvoltage conditions, thermal runaway, and mechanical damage.

  9. Are there any special handling considerations for V140LS2P during assembly?

    • During assembly, care should be taken to avoid subjecting V140LS2P varistors to excessive mechanical stress or high-temperature soldering processes to prevent damage to the component.

  10. Where can I find detailed technical information about V140LS2P?

    • Detailed technical information about V140LS2P, including datasheets, application notes, and specifications, can be obtained from the manufacturer's website or through authorized distributors.