Littelfuse Inc.
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V39ZA20PX1347
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V39ZA20PX1347 Product Overview

Introduction

The V39ZA20PX1347 is a versatile electronic component that belongs to the category of varistors. This entry provides an in-depth overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Varistor
  • Use: Voltage clamping and transient surge protection
  • Characteristics: High energy absorption capability, fast response time, compact size
  • Package: Radial leaded disc
  • Essence: Zinc oxide-based voltage-dependent resistor
  • Packaging/Quantity: Available in various packaging options, typically sold in reels or bulk quantities

Specifications

  • Voltage Rating: 39V
  • Peak Current (8/20µs): 20A
  • Maximum Energy (10/1000µs): 1347J
  • Operating Temperature Range: -40°C to +85°C
  • Tolerance: ±10%

Detailed Pin Configuration

The V39ZA20PX1347 features a radial leaded disc package with two leads for easy integration into circuit designs. The pin configuration includes a positive lead and a negative lead, which are clearly marked for proper orientation during installation.

Functional Features

  • Voltage Clamping: Provides effective protection against voltage spikes and surges by diverting excess current away from sensitive components.
  • Transient Surge Protection: Rapidly responds to transient overvoltage conditions, safeguarding connected equipment and circuits.
  • High Energy Absorption: Capable of dissipating significant amounts of energy during surge events, enhancing system reliability.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact and versatile design
  • Wide operating temperature range

Disadvantages

  • Limited peak current handling compared to higher-rated varistors
  • Tolerance may impact precision in certain applications

Working Principles

The V39ZA20PX1347 operates based on the non-linear voltage-current characteristics of zinc oxide. When subjected to overvoltage conditions, the varistor rapidly changes its resistance, effectively shunting excess current and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The V39ZA20PX1347 finds extensive use in various applications, including: 1. Power Supplies: Protects sensitive electronic components from voltage transients in power supply circuits. 2. Telecommunications Equipment: Safeguards communication systems from lightning-induced surges and other transient events. 3. Industrial Control Systems: Provides reliable overvoltage protection for control panels and automation equipment. 4. Consumer Electronics: Enhances the durability of electronic devices by mitigating the impact of voltage spikes and surges.

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or energy absorption capabilities, alternative varistor models include: - V18ZA20PX1347: 18V voltage rating, 1347J maximum energy - V47ZA20PX1347: 47V voltage rating, 1347J maximum energy - V39ZA20PX2000: 39V voltage rating, 2000J maximum energy

In conclusion, the V39ZA20PX1347 varistor offers reliable transient surge protection and voltage clamping capabilities, making it a valuable component in diverse electronic systems.

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Énumérez 10 questions et réponses courantes liées à l'application de V39ZA20PX1347 dans les solutions techniques

  1. What is V39ZA20PX1347?

    • V39ZA20PX1347 is a type of varistor, which is an electronic component used to protect circuits from overvoltage conditions.

  2. How does V39ZA20PX1347 work?

    • V39ZA20PX1347 works by rapidly changing its resistance in response to changes in voltage, effectively diverting excess current away from sensitive components.

  3. What are the typical applications of V39ZA20PX1347?

    • V39ZA20PX1347 is commonly used in power supplies, surge protectors, and other electronic devices to safeguard against voltage spikes and surges.

  4. What are the key specifications of V39ZA20PX1347?

    • V39ZA20PX1347 typically has a maximum voltage rating, energy absorption capability, and response time that are important for its application in technical solutions.

  5. How should V39ZA20PX1347 be integrated into a circuit?

    • V39ZA20PX1347 should be connected in parallel with the circuit or component it is intended to protect, ensuring that it can quickly respond to overvoltage events.

  6. What are the potential failure modes of V39ZA20PX1347?

    • V39ZA20PX1347 can fail due to prolonged exposure to high voltage, excessive current, or manufacturing defects, so it's important to consider these factors in its application.

  7. Are there any alternatives to V39ZA20PX1347 for overvoltage protection?

    • Yes, there are other varistors, as well as transient voltage suppressor (TVS) diodes and gas discharge tubes, that can provide similar overvoltage protection in technical solutions.

  8. What are the temperature limitations of V39ZA20PX1347?

    • V39ZA20PX1347 has specific operating and storage temperature ranges that should be considered to ensure its reliable performance in technical solutions.

  9. Can V39ZA20PX1347 be used in automotive applications?

    • Yes, V39ZA20PX1347 can be suitable for automotive electronics, but it's important to verify its compatibility with automotive standards and requirements.

  10. Where can I purchase V39ZA20PX1347 for my technical solution?

    • V39ZA20PX1347 can be sourced from electronic component distributors, manufacturers, or authorized retailers specializing in circuit protection devices.