Littelfuse Inc.
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V18MLA0402NR
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V18MLA0402NR

Product Overview

Category

V18MLA0402NR belongs to the category of surface mount multilayer varistors.

Use

It is used for overvoltage protection in various electronic circuits and devices.

Characteristics

  • Fast response time
  • High energy absorption capability
  • Compact size
  • RoHS compliant

Package

The V18MLA0402NR is available in a surface mount package.

Essence

This varistor provides reliable overvoltage protection for sensitive electronic components.

Packaging/Quantity

The V18MLA0402NR is typically packaged in reels and is available in varying quantities depending on the manufacturer.

Specifications

  • Operating Voltage: 18V
  • Peak Current: 40A
  • Maximum Energy: 0.1J
  • Operating Temperature Range: -55°C to 125°C
  • Capacitance: 10pF

Detailed Pin Configuration

The V18MLA0402NR has two terminals for surface mount soldering onto the PCB.

Functional Features

  • Provides transient voltage suppression
  • Protects against voltage spikes and surges
  • Maintains low leakage current under normal operating conditions

Advantages

  • Small form factor
  • High reliability
  • Wide operating temperature range

Disadvantages

  • Limited maximum energy absorption compared to larger varistors
  • May require additional circuitry for handling high-energy transients

Working Principles

The V18MLA0402NR operates based on the principle of varistor action, where its resistance decreases with increasing voltage, thereby diverting excess current away from sensitive components.

Detailed Application Field Plans

The V18MLA0402NR is commonly used in: - Consumer electronics - Telecommunications equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to V18MLA0402NR include: - V14MLA0805NR - 14V operating voltage, 80A peak current - V20MLA0603NR - 20V operating voltage, 60A peak current - V25MLA1206NR - 25V operating voltage, 120A peak current

In conclusion, the V18MLA0402NR is a compact and reliable surface mount multilayer varistor that provides effective overvoltage protection for a wide range of electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de V18MLA0402NR en soluciones técnicas

  1. What is the V18MLA0402NR component used for?

    • The V18MLA0402NR is a multilayer varistor designed to protect sensitive electronic components from voltage surges and transients.

  2. What are the typical applications of V18MLA0402NR in technical solutions?

    • The V18MLA0402NR is commonly used in applications such as power supplies, communication equipment, industrial controls, and automotive electronics to provide overvoltage protection.

  3. What is the maximum operating voltage of V18MLA0402NR?

    • The maximum operating voltage of V18MLA0402NR is typically 18V.

  4. How does V18MLA0402NR provide overvoltage protection?

    • V18MLA0402NR acts as a voltage clamping device, shunting excess current away from sensitive components when an overvoltage event occurs.

  5. What is the response time of V18MLA0402NR to transient events?

    • V18MLA0402NR has a fast response time, typically in the nanosecond range, to quickly suppress transient voltage spikes.

  6. Can V18MLA0402NR be used in high-frequency applications?

    • Yes, V18MLA0402NR is suitable for high-frequency applications due to its low capacitance and inductance.

  7. What are the temperature specifications for V18MLA0402NR?

    • V18MLA0402NR is designed to operate within a wide temperature range, typically from -55°C to 125°C.

  8. Is V18MLA0402NR RoHS compliant?

    • Yes, V18MLA0402NR is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  9. What is the reliability of V18MLA0402NR in long-term use?

    • V18MLA0402NR has a high reliability and is designed for long-term use in demanding technical solutions.

  10. Are there any specific layout considerations when using V18MLA0402NR in a circuit?

    • It is recommended to follow the manufacturer's guidelines for PCB layout and placement to ensure optimal performance of V18MLA0402NR in a circuit.