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V420PA40C
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V420PA40C

Product Overview

Category

The V420PA40C belongs to the category of varistors, which are electronic components used for protecting circuits from overvoltage conditions.

Use

It is used to protect sensitive electronic devices and circuits from voltage spikes and transient surges.

Characteristics

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

Package

The V420PA40C is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of the V420PA40C lies in its ability to rapidly absorb and dissipate high levels of energy when subjected to overvoltage conditions.

Packaging/Quantity

It is commonly packaged in reels or trays and is available in varying quantities depending on the manufacturer's specifications.

Specifications

  • Maximum Allowable Voltage: 420V
  • Peak Current Capability: 4000A
  • Nominal Varistor Voltage: 340V
  • Energy Absorption: 100J
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The V420PA40C typically has two leads for connection to the circuit. The pin configuration may vary slightly based on the manufacturer's design, but it generally follows a standard layout.

Functional Features

  • Non-linear voltage-current characteristics
  • Rapid response to overvoltage events
  • Low leakage current under normal operating conditions
  • Robust construction for long-term reliability

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Wide operating temperature range
  • Long lifespan

Disadvantages

  • Limited effectiveness in continuous overvoltage conditions
  • Variability in performance based on environmental factors

Working Principles

The V420PA40C operates based on the principle of varistor action, where its resistance decreases as the voltage across it increases. This allows it to divert excess current away from sensitive components during overvoltage events.

Detailed Application Field Plans

The V420PA40C is commonly used 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 V420PA40C include: - V250PA40C - V575PA40C - V910PA40C - V1300PA40C

These models offer similar varistor characteristics but with different voltage and current ratings to suit specific application requirements.

In conclusion, the V420PA40C varistor provides reliable overvoltage protection for a wide range of electronic devices and circuits. Its robust design, fast response time, and high energy absorption make it a valuable component in safeguarding sensitive electronics from transient voltage events.

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技術ソリューションにおける V420PA40C の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is V420PA40C?

    • V420PA40C is a varistor, also known as a voltage-dependent resistor, used to protect electronic circuits from overvoltage conditions.

  2. What is the maximum voltage rating of V420PA40C?

    • The maximum voltage rating of V420PA40C is 420V.

  3. What is the peak current capability of V420PA40C?

    • The peak current capability of V420PA40C is typically around 8000A.

  4. How does V420PA40C protect electronic circuits?

    • V420PA40C protects electronic circuits by rapidly changing its resistance in response to voltage changes, effectively diverting excess current away from sensitive components.

  5. What are the typical applications of V420PA40C?

    • V420PA40C is commonly used in power supplies, industrial equipment, automotive electronics, and telecommunications equipment to provide overvoltage protection.

  6. What is the operating temperature range of V420PA40C?

    • The operating temperature range of V420PA40C is typically between -40°C to +85°C.

  7. Can V420PA40C be used in AC and DC circuits?

    • Yes, V420PA40C can be used in both AC and DC circuits.

  8. What are the key characteristics of V420PA40C for technical solutions?

    • The key characteristics of V420PA40C include high surge current capability, fast response time, and stable performance over a wide temperature range.

  9. Is V420PA40C RoHS compliant?

    • Yes, V420PA40C is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  10. Are there any recommended circuit design considerations when using V420PA40C?

    • It is recommended to place V420PA40C close to the protected circuit, minimize lead lengths, and ensure proper thermal management for optimal performance.