Littelfuse Inc.
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ROV07H751K
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ROV07H751K Product Overview

Introduction

The ROV07H751K is a crucial component in the field of electronic devices, offering a wide range of applications and functionalities. This entry provides an in-depth analysis of the product, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Voltage Dependent Resistor (VDR)
  • Characteristics: High voltage capability, fast response time, compact size
  • Package: Radial leaded disc
  • Essence: Protects electronic circuits from overvoltage conditions
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage Rating: 75V
  • Maximum Allowable Voltage: 60V
  • Clamping Voltage: 135V
  • Peak Current (8/20µs): 800A
  • Energy (10/1000µs): 2J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ROV07H751K features a radial leaded disc package with two leads for easy integration into circuit designs. The pin configuration includes: - Lead 1: Connected to one end of the VDR element - Lead 2: Connected to the other end of the VDR element

Functional Features

  • Overvoltage Protection: Rapidly responds to overvoltage conditions, diverting excess current away from sensitive components.
  • Compact Design: Space-efficient construction suitable for various electronic applications.
  • Reliable Performance: Ensures consistent protection against voltage surges.

Advantages and Disadvantages

Advantages

  • Effective overvoltage protection
  • Fast response time
  • Compact size

Disadvantages

  • Limited to specific voltage ratings
  • Sensitive to extreme temperature conditions

Working Principles

The ROV07H751K operates based on the principle of nonlinear resistance, where its resistance decreases as the voltage across it increases. When subjected to overvoltage conditions, the VDR conducts heavily, diverting excess current and protecting downstream components.

Detailed Application Field Plans

The ROV07H751K finds extensive use in various electronic applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or form factors, alternative models to consider include: - ROV05H101K (5mm disc, 100V) - ROV14H431K (14mm disc, 430V) - ROV20H102K (20mm disc, 1000V)

In conclusion, the ROV07H751K plays a vital role in safeguarding electronic circuits from overvoltage events, offering reliable protection and versatile applications across diverse industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ROV07H751K v technických řešeních

  1. What is ROV07H751K?

    • ROV07H751K is a high-voltage metal oxide varistor (MOV) that is commonly used for overvoltage protection in various technical solutions.

  2. What are the key specifications of ROV07H751K?

    • The ROV07H751K has a maximum AC voltage of 460V, a maximum DC voltage of 615V, and a peak current of 2500A.

  3. In what applications can ROV07H751K be used?

    • ROV07H751K is suitable for use in surge protection devices, power supplies, industrial equipment, and other electronic systems requiring overvoltage protection.

  4. How does ROV07H751K provide overvoltage protection?

    • ROV07H751K acts as a voltage-dependent resistor, conducting excess voltage to protect sensitive components by diverting the surge current away from the protected circuit.

  5. What are the operating temperature and storage conditions for ROV07H751K?

    • The operating temperature range for ROV07H751K is -40°C to +85°C, and it should be stored in a dry environment at temperatures between -40°C and +125°C.

  6. Is ROV07H751K RoHS compliant?

    • Yes, ROV07H751K is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it meets environmental standards.

  7. Can ROV07H751K be used in automotive applications?

    • Yes, ROV07H751K is suitable for automotive electronics, providing protection against transient voltage events in vehicle electrical systems.

  8. What are the recommended mounting and soldering techniques for ROV07H751K?

    • ROV07H751K can be surface-mounted using appropriate soldering methods, following the manufacturer's guidelines for temperature profiles and soldering duration.

  9. Does ROV07H751K require any additional protective measures in its application?

    • It is recommended to incorporate proper thermal management and circuit design to ensure the optimal performance and longevity of ROV07H751K in the application.

  10. Are there any potential failure modes or degradation mechanisms associated with ROV07H751K?

    • While ROV07H751K is designed for reliability, factors such as prolonged exposure to high temperatures or excessive voltage transients can impact its performance over time. Regular testing and monitoring are advisable to ensure continued effectiveness.