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MOV-07D471K
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MOV-07D471K

Product Overview

Category: Electronic Component
Use: Surge Protection
Characteristics: Metal Oxide Varistor (MOV)
Package: Disc
Essence: Voltage Clamping
Packaging/Quantity: Bulk

Specifications

  • Voltage Rating: 470V
  • Peak Current: 4500A
  • Energy Absorption: 65J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MOV-07D471K is a disc-shaped component with two axial leads for easy integration into circuitry. The pin configuration allows for straightforward installation and connection within electronic systems.

Functional Features

  • Surge Protection: Effectively absorbs and dissipates transient voltage spikes.
  • Fast Response Time: Rapid reaction to overvoltage events, safeguarding connected equipment.
  • Reliable Performance: Consistent protection against power surges and transients.

Advantages and Disadvantages

Advantages: 1. High surge current capability. 2. Robust construction for long-term reliability. 3. Wide operating temperature range.

Disadvantages: 1. Limited lifespan under repeated high-energy surges. 2. Requires periodic monitoring for degradation assessment.

Working Principles

The MOV-07D471K operates based on the metal oxide varistor principle, where it exhibits a non-linear voltage-current characteristic. When subjected to overvoltage conditions, the MOV conducts current, diverting the excess energy away from sensitive components.

Detailed Application Field Plans

The MOV-07D471K finds extensive use in various applications, including: - Power Supplies - Telecommunications Equipment - Industrial Control Systems - Consumer Electronics

Detailed and Complete Alternative Models

  1. MOV-10D471K: Higher voltage rating for increased protection.
  2. MOV-07D391K: Lower voltage rating suitable for specific applications.
  3. MOV-14D471K: Enhanced energy absorption capacity for demanding environments.

In conclusion, the MOV-07D471K serves as a crucial surge protection component in diverse electronic systems, offering reliable performance and effective transient voltage suppression.

Word Count: 276

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät MOV-07D471K :n soveltamiseen teknisissä ratkaisuissa

  1. What is MOV-07D471K?

    • MOV-07D471K is a metal oxide varistor (MOV) component used for voltage clamping and transient surge protection in electronic circuits.

  2. What are the key specifications of MOV-07D471K?

    • The MOV-07D471K has a maximum AC voltage of 300V, a maximum DC voltage of 385V, and a peak current of 4500A.

  3. How does MOV-07D471K provide surge protection?

    • MOV-07D471K conducts current when subjected to high voltage transients, diverting excess energy away from sensitive components and protecting them from damage.

  4. In what applications can MOV-07D471K be used?

    • MOV-07D471K is commonly used in power supplies, industrial equipment, consumer electronics, and telecommunications devices to protect against voltage spikes and surges.

  5. What is the operating temperature range of MOV-07D471K?

    • MOV-07D471K typically operates within a temperature range of -40°C to 85°C.

  6. How should MOV-07D471K be connected in a circuit?

    • MOV-07D471K should be connected in parallel with the load or equipment to be protected, ensuring that it can shunt excess voltage during transient events.

  7. What are the potential failure modes of MOV-07D471K?

    • MOV-07D471K can degrade over time due to repeated exposure to transient events, leading to reduced surge protection capability or even catastrophic failure.

  8. Can MOV-07D471K be replaced after it has absorbed a surge?

    • Yes, MOV-07D471K can be replaced after absorbing a surge, as it may have degraded and lost its effectiveness in providing surge protection.

  9. Are there any precautions to consider when using MOV-07D471K?

    • It's important to ensure that MOV-07D471K is not exposed to voltages exceeding its maximum ratings, as this can lead to premature failure or reduced protection capability.

  10. What are the alternatives to MOV-07D471K for surge protection?

    • Other surge protection devices such as gas discharge tubes (GDTs), transient voltage suppressors (TVS diodes), or silicon avalanche diodes (SADs) can be considered as alternatives to MOV-07D471K, depending on the specific application requirements.