Littelfuse Inc.
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V420LT7PX2855

V420LT7PX2855 Product Overview

Introduction

The V420LT7PX2855 is a surge protection component designed for use in electronic devices to safeguard against voltage spikes and surges. This entry provides a comprehensive overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Surge Protection Component
  • Use: Protects electronic devices from voltage spikes and surges
  • Characteristics: High surge current capability, fast response time, compact design
  • Package: Surface Mount Device (SMD)
  • Essence: Provides reliable surge protection for sensitive electronic equipment
  • Packaging/Quantity: Typically supplied in reels or tubes containing multiple units

Specifications

  • Voltage Rating: 420V
  • Peak Surge Current: 20kA
  • Response Time: <5ns
  • Operating Temperature Range: -40°C to 85°C
  • Dimensions: 7.6mm x 8.6mm x 3.0mm

Detailed Pin Configuration

The V420LT7PX2855 features a surface mount package with specific pin configurations based on the manufacturer's datasheet. Please refer to the official datasheet for detailed pin configuration information.

Functional Features

  • High Surge Current Capability: Capable of handling large surge currents to protect connected equipment.
  • Fast Response Time: Rapidly responds to voltage surges to minimize potential damage.
  • Compact Design: Space-saving SMD package suitable for modern electronic designs.

Advantages and Disadvantages

Advantages

  • Reliable surge protection for sensitive electronics
  • Fast response time enhances equipment protection
  • Compact form factor for easy integration into circuit designs

Disadvantages

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

Working Principles

The V420LT7PX2855 utilizes metal oxide varistor (MOV) technology to divert excess voltage away from sensitive electronic components. When a surge occurs, the MOV rapidly conducts, shunting the excess energy to protect downstream devices.

Detailed Application Field Plans

The V420LT7PX2855 is suitable for a wide range of applications, including: - Consumer electronics - Telecommunications equipment - Industrial control systems - Power distribution units - Automotive electronics

Detailed and Complete Alternative Models

  • Model 1: V130LA20AP
  • Model 2: V275LA20AP
  • Model 3: V320LA20AP
  • Model 4: V510LA20AP

These alternative models offer varying voltage and surge current ratings to accommodate different application requirements.

In conclusion, the V420LT7PX2855 surge protection component offers reliable and compact surge protection for a variety of electronic devices. Its high surge current capability, fast response time, and suitability for diverse applications make it a valuable asset in protecting sensitive equipment from voltage transients and surges.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací V420LT7PX2855 v technických řešeních

  1. What is V420LT7PX2855?

    • V420LT7PX2855 is a type of varistor, also known as a voltage-dependent resistor, which is commonly used to protect electronic circuits from overvoltage conditions.

  2. What are the key specifications of V420LT7PX2855?

    • The V420LT7PX2855 varistor has a maximum AC voltage of 250V, a maximum DC voltage of 320V, and a peak current of 8000A.

  3. How does V420LT7PX2855 function in technical solutions?

    • V420LT7PX2855 functions by rapidly changing its resistance with changes in applied voltage, effectively diverting excess current away from sensitive components in the circuit.

  4. In what applications is V420LT7PX2855 commonly used?

    • V420LT7PX2855 is frequently employed in surge protection devices, power supplies, industrial equipment, and consumer electronics to safeguard against voltage spikes and transients.

  5. What are the advantages of using V420LT7PX2855 in technical solutions?

    • The V420LT7PX2855 offers fast response times, high energy absorption capabilities, and reliability in protecting electronic devices from voltage surges.

  6. Are there any limitations or considerations when using V420LT7PX2855?

    • It's important to consider the operating temperature range, derating guidelines, and potential degradation over time when integrating V420LT7PX2855 into a design.

  7. How can V420LT7PX2855 be integrated into a circuit design?

    • V420LT7PX2855 can be connected in parallel with the load or component to be protected, providing a low-impedance path for excessive voltage.

  8. What are the failure modes of V420LT7PX2855?

    • Common failure modes include thermal runaway under sustained overvoltage conditions and degradation due to prolonged exposure to high energy transients.

  9. What testing and certification standards apply to V420LT7PX2855?

    • V420LT7PX2855 may be tested and certified according to industry standards such as UL, CSA, and IEC for compliance with safety and performance requirements.

  10. Where can V420LT7PX2855 be sourced and purchased?

    • V420LT7PX2855 varistors can be obtained from authorized distributors, electronic component suppliers, and manufacturers specializing in circuit protection devices.