Littelfuse Inc.
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TMOV34S481MP
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TMOV34S481MP Encyclopedia Entry

Product Overview

The TMOV34S481MP belongs to the category of surge protection components and is designed for use in electrical circuits to protect against transient voltage surges. This component is characterized by its high energy handling capability, compact package, and essential role in safeguarding sensitive electronic equipment. The TMOV34S481MP is typically packaged individually and is available in specific quantities as per customer requirements.

Specifications

  • Voltage Rating: 480V AC
  • Peak Surge Current: 20kA
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: Disc Varistor

Detailed Pin Configuration

The TMOV34S481MP features a standard disc varistor 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 convenient installation.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltage spikes to protect downstream electronic devices.
  • High Energy Handling: Capable of absorbing and dissipating large amounts of energy during surge events.
  • Fast Response Time: Rapidly responds to voltage transients to minimize potential damage to connected equipment.

Advantages and Disadvantages

Advantages

  • High surge current handling capability
  • Compact design for space-constrained applications
  • Fast response time for effective protection

Disadvantages

  • Limited to specific voltage ratings
  • Requires proper installation for optimal performance

Working Principles

The TMOV34S481MP operates based on the principle of varistor technology, where it exhibits a high resistance at normal operating voltages and rapidly switches to a low resistance state when subjected to transient voltage surges. This behavior effectively diverts excess energy away from the protected circuit, preventing damage to connected devices.

Detailed Application Field Plans

The TMOV34S481MP is ideally suited for use in various electrical and electronic systems, including: - Industrial control panels - Power distribution units - Telecommunication equipment - Renewable energy systems

Detailed and Complete Alternative Models

  1. TMOV20S320MP: 320V AC voltage rating, 20kA peak surge current
  2. TMOV25S431MP: 430V AC voltage rating, 25kA peak surge current
  3. TMOV40S561MP: 560V AC voltage rating, 40kA peak surge current

In conclusion, the TMOV34S481MP is a vital surge protection component that offers high energy handling capabilities and fast response times, making it an essential part of modern electrical and electronic systems.

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Énumérez 10 questions et réponses courantes liées à l'application de TMOV34S481MP dans les solutions techniques

  1. What is the TMOV34S481MP?

    • The TMOV34S481MP is a type of metal oxide varistor (MOV) with integrated thermal protection, designed to protect sensitive electronic equipment from voltage surges and transients.

  2. What are the key features of TMOV34S481MP?

    • The TMOV34S481MP features a high surge current capability, low leakage current, and built-in thermal protection for added safety.

  3. How does TMOV34S481MP provide overvoltage protection?

    • The TMOV34S481MP clamps excessive voltage levels by diverting surge currents away from sensitive components, thereby safeguarding the connected equipment.

  4. What are the typical applications of TMOV34S481MP?

    • The TMOV34S481MP is commonly used in power supplies, industrial equipment, telecommunications systems, and other electronic devices requiring robust overvoltage protection.

  5. What is the operating temperature range of TMOV34S481MP?

    • The TMOV34S481MP has an extended operating temperature range, typically from -40°C to 85°C, making it suitable for various environmental conditions.

  6. How does the integrated thermal protection work in TMOV34S481MP?

    • The integrated thermal protection monitors the MOV's temperature and disconnects the device from the circuit in case of overheating, preventing potential damage.

  7. What are the installation considerations for TMOV34S481MP?

    • Proper mounting and electrical connections are crucial for optimal performance. Follow the manufacturer's guidelines for installation and ensure proper grounding.

  8. Can TMOV34S481MP be used in outdoor applications?

    • Yes, the TMOV34S481MP is suitable for outdoor use, provided it is housed in an appropriate enclosure to protect it from environmental elements.

  9. What certifications does TMOV34S481MP hold?

    • The TMOV34S481MP may hold certifications such as UL, CSA, and VDE, ensuring compliance with industry standards for safety and performance.

  10. How can I test the functionality of TMOV34S481MP after installation?

    • Use a surge generator or transient voltage suppressor tester to verify the TMOV34S481MP's response to overvoltage events and ensure its protective capabilities are intact.