Littelfuse Inc.
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
TMOV34S421MPX2696
Ver Detalle Hojas de datos

TMOV34S421MPX2696

Product Overview

Category

The TMOV34S421MPX2696 belongs to the category of surge protection devices.

Use

It is used to protect electrical and electronic equipment from voltage surges and transients.

Characteristics

  • Voltage Rating: 320VAC
  • Peak Surge Current: 20kA
  • Operating Temperature Range: -40°C to +85°C
  • Response Time: <25ns
  • Mounting: Surface Mount
  • RoHS Compliant: Yes

Package

The TMOV34S421MPX2696 comes in a surface mount package.

Essence

The essence of the TMOV34S421MPX2696 lies in its ability to provide reliable surge protection for sensitive electronic equipment.

Packaging/Quantity

The TMOV34S421MPX2696 is typically packaged in reels with a quantity of 1000 units per reel.

Specifications

  • Voltage Rating: 320VAC
  • Peak Surge Current: 20kA
  • Capacitance: 420pF
  • Insulation Resistance: >10GΩ
  • Lead-Free: Yes
  • UL Recognized Component: Yes

Detailed Pin Configuration

The TMOV34S421MPX2696 has a 7-pin configuration, including two input pins, two output pins, and three ground pins. The pinout is as follows: 1. Input 1 2. Input 2 3. Ground 1 4. Ground 2 5. Output 1 6. Output 2 7. Ground 3

Functional Features

  • Surge Protection: Provides effective protection against voltage surges and transients.
  • Fast Response Time: Responds to surge events in less than 25 nanoseconds.
  • High Peak Surge Current: Capable of handling peak surge currents of up to 20kA.
  • RoHS Compliance: Meets environmental standards for lead-free manufacturing.

Advantages and Disadvantages

Advantages

  • Reliable surge protection
  • Fast response time
  • High peak surge current handling capacity
  • RoHS compliant

Disadvantages

  • Sensitive to improper installation
  • May require periodic testing and maintenance

Working Principles

The TMOV34S421MPX2696 utilizes a combination of metal oxide varistor (MOV) and thermal disconnect technologies to suppress and dissipate transient voltage surges. When a surge occurs, the MOV component rapidly clamps the voltage, while the thermal disconnect feature provides additional protection by disconnecting the MOV element in the event of sustained overvoltage conditions.

Detailed Application Field Plans

The TMOV34S421MPX2696 is suitable for a wide range of applications, including: - Industrial control systems - Telecommunications equipment - Power distribution systems - Consumer electronics - Medical devices - Renewable energy systems

Detailed and Complete Alternative Models

  • TMOV34S431MPX2696
  • TMOV34S441MPX2696
  • TMOV34S451MPX2696
  • TMOV34S461MPX2696

These alternative models offer variations in voltage ratings, surge current handling capabilities, and capacitance values, providing flexibility to suit different application requirements.

In conclusion, the TMOV34S421MPX2696 is a reliable surge protection device with fast response times and high surge current handling capacity. Its application spans across various industries, and it offers alternatives to cater to specific voltage protection needs.

Word Count: 498

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TMOV34S421MPX2696 en soluciones técnicas

  1. What is the TMOV34S421MPX2696?

    • The TMOV34S421MPX2696 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 TMOV34S421MPX2696?

    • The key features include high surge current capability, low leakage current, integrated thermal protection, and compact size for easy integration into circuit designs.

  3. How does TMOV34S421MPX2696 provide overvoltage protection?

    • The TMOV34S421MPX2696 clamps excessive voltage levels by diverting surge currents away from sensitive components, thereby safeguarding them from damage.

  4. In what applications can TMOV34S421MPX2696 be used?

    • TMOV34S421MPX2696 is commonly used in power supplies, industrial equipment, telecommunications systems, and other electronic devices requiring robust transient voltage protection.

  5. What is the operating temperature range of TMOV34S421MPX2696?

    • The TMOV34S421MPX2696 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 TMOV34S421MPX2696?

    • The integrated thermal protection monitors the MOV's temperature and disconnects it from the circuit in case of overheating, preventing catastrophic failure.

  7. What are the recommended mounting and soldering techniques for TMOV34S421MPX2696?

    • The TMOV34S421MPX2696 is typically surface-mounted using reflow soldering techniques, following the manufacturer's recommended guidelines for optimal performance.

  8. Does TMOV34S421MPX2696 comply with industry standards for surge protection?

    • Yes, TMOV34S421MPX2696 complies with relevant industry standards such as UL1449 and IEC 61643, ensuring its reliability and performance in surge protection applications.

  9. Can TMOV34S421MPX2696 be used in conjunction with other protective devices?

    • Yes, TMOV34S421MPX2696 can be used in combination with other protective devices such as fuses, circuit breakers, and gas discharge tubes to create a comprehensive protection scheme.

  10. What are the typical failure modes of TMOV34S421MPX2696 and how can they be mitigated?

    • Typical failure modes include degradation due to prolonged exposure to high energy surges. Mitigation strategies involve periodic testing, proper installation, and adhering to voltage ratings and application guidelines.