Littelfuse Inc.
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V320LT20CPX2855
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V320LT20CPX2855

Product Overview

Category

The V320LT20CPX2855 belongs to the category of varistors, which are electronic components used for voltage regulation and surge protection.

Use

It is primarily used to protect sensitive electronic devices and circuits from transient overvoltage conditions.

Characteristics

  • High energy absorption capacity
  • Fast response time
  • Wide operating temperature range
  • Reliable performance

Package

The V320LT20CPX2855 is typically available in a cylindrical package with leads for easy installation on circuit boards or within electronic devices.

Essence

The essence of the V320LT20CPX2855 lies in its ability to rapidly absorb and dissipate high-energy transient surges, thereby safeguarding connected equipment.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Maximum Allowable Voltage: 320V
  • Peak Current Capability: 10kA
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 470pF
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The V320LT20CPX2855 typically features two leads for connection to the circuit. The pin configuration is as follows: 1. Pin 1: Input/Anode 2. Pin 2: Output/Cathode

Functional Features

  • Rapid clamping of transient voltage spikes
  • Low leakage current
  • High reliability and durability
  • Suitable for both AC and DC applications

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Wide operating temperature range
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited lifespan after repeated surge events
  • Requires periodic testing and replacement in high-surge environments

Working Principles

The V320LT20CPX2855 operates based on the principle of nonlinear voltage-dependent resistance. When subjected to a surge, it rapidly changes its resistance to divert excess current away from the protected circuit, thus limiting the voltage across the load.

Detailed Application Field Plans

The V320LT20CPX2855 is commonly employed in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the V320LT20CPX2855 include: - V275LT20CP - V385LT20CP - V420LT20CP

In conclusion, the V320LT20CPX2855 varistor offers reliable surge protection for a wide range of electronic applications, making it an essential component in safeguarding sensitive equipment from transient voltage events.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng V320LT20CPX2855 sa mga teknikal na solusyon

  1. What is V320LT20CPX2855?

    • V320LT20CPX2855 is a type of varistor, also known as a voltage-dependent resistor, which is commonly used to protect electronic circuits from overvoltage conditions.

  2. How does V320LT20CPX2855 work?

    • V320LT20CPX2855 works by rapidly changing its resistance in response to changes in voltage. When the voltage exceeds a certain threshold, the varistor conducts current and shunts the excess voltage away from sensitive components.

  3. What are the typical applications of V320LT20CPX2855?

    • V320LT20CPX2855 is commonly used in surge protection devices, power supplies, industrial equipment, and consumer electronics to protect against transient voltage spikes.

  4. What are the key specifications of V320LT20CPX2855?

    • The key specifications of V320LT20CPX2855 include its maximum continuous voltage rating, peak current capability, energy absorption capacity, response time, and operating temperature range.

  5. How do I select the right V320LT20CPX2855 for my application?

    • Selecting the right V320LT20CPX2855 involves considering factors such as the maximum expected voltage transients, the required response time, and the power handling capabilities of the varistor.

  6. Can V320LT20CPX2855 be used in outdoor applications?

    • Yes, V320LT20CPX2855 can be used in outdoor applications, but it's important to ensure that it is housed in an appropriate enclosure to protect it from environmental factors.

  7. What are the potential failure modes of V320LT20CPX2855?

    • Potential failure modes of V320LT20CPX2855 include thermal runaway, degradation due to prolonged exposure to high voltage transients, and mechanical damage.

  8. Are there any reliability concerns with using V320LT20CPX2855 in critical systems?

    • While V320LT20CPX2855 is designed for reliability, it's important to consider redundancy and system-level protection measures in critical applications to mitigate the risk of varistor failure.

  9. Can V320LT20CPX2855 be replaced with other varistors in existing designs?

    • In most cases, V320LT20CPX2855 can be replaced with other varistors with similar specifications, but it's important to verify compatibility and performance in the specific application.

  10. Where can I find detailed technical information about V320LT20CPX2855?

    • Detailed technical information about V320LT20CPX2855 can be found in the datasheet provided by the manufacturer or through authorized distributors. Additionally, technical support from the manufacturer can provide further assistance.