Littelfuse Inc.
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TMOV34S111MPX2696
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TMOV34S111MPX2696

Introduction

The TMOV34S111MPX2696 belongs to the category of surge protection devices and is designed to protect electronic equipment from voltage surges. This entry provides an overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Surge Protection Device
  • Use: Protecting electronic equipment from voltage surges
  • Characteristics: High surge current capability, fast response time, compact package
  • Package: Surface mount device (SMD)
  • Essence: Metal Oxide Varistor (MOV) combined with a thermal cutoff (TCO)
  • Packaging/Quantity: Typically packaged in reels or tubes containing multiple units

Specifications

  • Model: TMOV34S111MPX2696
  • Maximum Continuous Operating Voltage (MCOV): 340V AC
  • Voltage Rating: 420V AC / 550V DC
  • Nominal Discharge Current (In): 20kA
  • Peak Surge Current (Ipeak): 40kA
  • Response Time: <25ns
  • Operating Temperature Range: -40°C to +85°C
  • Lead-Free/RoHS Compliant: Yes

Detailed Pin Configuration

The TMOV34S111MPX2696 typically has a 3-pin configuration, with specific pin assignments for input, output, and ground connections. Refer to the manufacturer's datasheet for detailed pinout information.

Functional Features

  • Combines the surge suppression capabilities of a metal oxide varistor (MOV) with the overcurrent protection of a thermal cutoff (TCO)
  • Fast response time ensures rapid clamping of transient voltage spikes
  • High surge current capability enables effective protection against large surges
  • Compact SMD package allows for easy integration into circuit designs

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Compact form factor
  • RoHS compliant

Disadvantages

  • Limited to specific voltage and current ratings
  • May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

The TMOV34S111MPX2696 operates by utilizing the nonlinear voltage-dependent behavior of the metal oxide varistor to shunt excess voltage away from sensitive electronic components. In the event of a sustained overvoltage condition, the thermal cutoff activates to disconnect the MOV from the circuit, providing an added layer of protection.

Detailed Application Field Plans

The TMOV34S111MPX2696 is commonly used in various electronic and electrical systems, including: - Power distribution panels - Industrial control systems - Telecommunication equipment - LED lighting systems - Consumer electronics

Detailed and Complete Alternative Models

  • TMOV20S431MP: Similar surge protection device with lower MCOV
  • TMOV34S201MP: Higher rated surge protection device with similar form factor
  • TMOV34S111MPX2697: Variant with extended temperature range

In conclusion, the TMOV34S111MPX2696 is a versatile surge protection device with a combination of MOV and TCO technologies, offering effective protection against voltage surges in a compact SMD package. Its fast response time and high surge current capability make it suitable for a wide range of applications in various industries.

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Énumérez 10 questions et réponses courantes liées à l'application de TMOV34S111MPX2696 dans les solutions techniques

  1. What is the TMOV34S111MPX2696?

    • The TMOV34S111MPX2696 is a type of metal oxide varistor (MOV) with integrated thermal protection, designed to protect sensitive electronic equipment from voltage surges and transient overvoltage events.

  2. What are the key features of the TMOV34S111MPX2696?

    • The TMOV34S111MPX2696 features a high surge current capability, low leakage current, and an integrated thermal disconnect function for added safety.

  3. How does the TMOV34S111MPX2696 provide overvoltage protection?

    • The TMOV34S111MPX2696 clamps excessive voltage levels by diverting surge currents away from sensitive components, thereby safeguarding the connected equipment.

  4. In what technical solutions can the TMOV34S111MPX2696 be used?

    • The TMOV34S111MPX2696 is commonly employed in power supplies, industrial equipment, telecommunications systems, and other electronic devices requiring robust overvoltage protection.

  5. What is the operating temperature range of the TMOV34S111MPX2696?

    • The TMOV34S111MPX2696 has an extended operating temperature range of -40°C to 85°C, making it suitable for various environmental conditions.

  6. How does the integrated thermal protection work in the TMOV34S111MPX2696?

    • The integrated thermal protection in the TMOV34S111MPX2696 triggers a disconnect mechanism when the MOV reaches a critical temperature, effectively isolating the protected circuit from the power source.

  7. What are the recommended mounting and handling practices for the TMOV34S111MPX2696?

    • Proper PCB layout, adequate clearance distances, and adherence to ESD precautions are essential for optimal performance and reliability of the TMOV34S111MPX2696.

  8. Can the TMOV34S111MPX2696 be used in outdoor applications?

    • Yes, the TMOV34S111MPX2696 is suitable for outdoor applications due to its robust construction and wide operating temperature range.

  9. What certifications and standards does the TMOV34S111MPX2696 comply with?

    • The TMOV34S111MPX2696 complies with UL1449 4th Edition and IEC 61643-21 standards, ensuring its reliability and safety in overvoltage protection applications.

  10. Where can I find detailed technical specifications and application guidelines for the TMOV34S111MPX2696?

    • Detailed technical specifications and application guidelines for the TMOV34S111MPX2696 can be found in the product datasheet and application notes provided by the manufacturer.