Littelfuse Inc.
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
TMOV14R115E
Lihat Butiran Helaian data

TMOV14R115E Encyclopedia Entry

Product Overview

Category

The TMOV14R115E belongs to the category of metal oxide varistors (MOVs).

Use

It is used as a voltage-dependent resistor to protect electrical circuits from overvoltage transients.

Characteristics

  • Voltage Rating: 115V
  • Peak Current: 10kA
  • Operating Temperature Range: -40°C to +85°C
  • Response Time: <25ns
  • Package Type: Radial leaded disc
  • Essence: Provides transient voltage surge suppression
  • Packaging/Quantity: Available in bulk packaging, quantity varies based on supplier

Specifications

  • Maximum Allowable Voltage: 115V
  • Clamping Voltage: 185V
  • Nominal Discharge Current: 5kA
  • Energy (2ms): 60J
  • Capacitance: 1000pF

Detailed Pin Configuration

The TMOV14R115E has a radial leaded disc package with two leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Provides protection against overvoltage transients
  • Fast response time for rapid clamping of transient voltages
  • High energy absorption capability
  • Reliable operation over a wide temperature range

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited lifespan after repeated exposure to high-energy transients
  • Requires replacement after significant surge events

Working Principles

The TMOV14R115E operates based on the principle of varistor action, where its resistance decreases as the voltage across it increases. When an overvoltage transient occurs, the MOV conducts current, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The TMOV14R115E is commonly used in various applications, including: - Power distribution systems - Telecommunication equipment - Industrial machinery - Consumer electronics - Renewable energy systems

Detailed and Complete Alternative Models

  • TMOV20RP140E: 140V, 20mm Disc Size
  • TMOV34S431MP: 430V, Surface Mount Package
  • TMOV25S421K: 420V, 25mm Disc Size

In conclusion, the TMOV14R115E is a vital component in protecting electronic devices and systems from damaging overvoltage events. Its fast response time, high energy absorption, and wide application field make it a valuable asset in ensuring the reliability and longevity of electrical and electronic equipment.

Word Count: 398

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TMOV14R115E dalam penyelesaian teknikal

  1. What is the TMOV14R115E?

    • The TMOV14R115E is a type of varistor component that combines both thermal and overvoltage protection in a single device.

  2. What are the key specifications of the TMOV14R115E?

    • The TMOV14R115E has a maximum voltage rating of 115V AC, a maximum energy absorption capability of 360J, and a maximum peak current of 10kA.

  3. How does the TMOV14R115E provide overvoltage protection?

    • The TMOV14R115E utilizes metal oxide varistor (MOV) technology to clamp excessive voltage levels and divert surge currents away from sensitive electronic components.

  4. What is the thermal protection feature of the TMOV14R115E?

    • The TMOV14R115E incorporates a built-in thermal disconnect function that disconnects the MOV element in case of overheating, providing an additional layer of protection.

  5. In what applications can the TMOV14R115E be used?

    • The TMOV14R115E is commonly used in power supplies, industrial equipment, telecommunications systems, and other electronic devices requiring overvoltage and thermal protection.

  6. What are the advantages of using the TMOV14R115E in technical solutions?

    • The TMOV14R115E offers compact size, high energy absorption capability, and the convenience of combined overvoltage and thermal protection in a single component.

  7. How should the TMOV14R115E be integrated into a circuit?

    • The TMOV14R115E should be connected in parallel with the load or equipment to be protected, ensuring that it can quickly respond to overvoltage events.

  8. What are the typical failure modes of the TMOV14R115E?

    • The TMOV14R115E may fail due to prolonged exposure to overvoltage conditions, excessive current surges, or extreme temperature fluctuations.

  9. Are there any specific installation or handling considerations for the TMOV14R115E?

    • It is important to follow the manufacturer's guidelines for mounting, soldering, and handling to ensure the proper functioning and reliability of the TMOV14R115E.

  10. Where can I find detailed technical documentation for the TMOV14R115E?

    • Detailed technical specifications, application notes, and datasheets for the TMOV14R115E can be obtained from the manufacturer's website or authorized distributors.