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ROV05H391K
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ROV05H391K

Product Overview

Category

The ROV05H391K belongs to the category of electronic components, specifically a varistor.

Use

It is used as a voltage-dependent resistor to protect circuits from excessive transient voltage.

Characteristics

  • Voltage Protection: Protects against voltage surges and transients.
  • High Energy Absorption: Capable of absorbing high levels of energy during voltage spikes.
  • Compact Package: Small form factor for easy integration into circuit designs.
  • Wide Operating Range: Suitable for various voltage protection applications.

Package

The ROV05H391K is typically available in a cylindrical package.

Essence

The essence of the ROV05H391K lies in its ability to safeguard electronic circuits from voltage fluctuations and surges.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Maximum Allowable Voltage: 390V
  • Nominal Varistor Voltage: 320V
  • Peak Current (8/20µs): 2500A
  • Energy (10/1000µs): 2J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ROV05H391K typically has two leads for connection within a circuit. The pin configuration may vary based on the manufacturer's specifications.

Functional Features

  • Voltage Clamping: When the voltage exceeds the varistor's threshold, it conducts current to limit the voltage across the protected circuit.
  • Transient Protection: Rapid response to transient voltage spikes, diverting excess energy away from sensitive components.
  • Reliability: Provides consistent protection over multiple surge events.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Compact size for easy integration
  • Wide operating temperature range

Disadvantages

  • Limited lifespan after repeated surges
  • Requires proper circuit design for optimal performance

Working Principles

The ROV05H391K operates based on the principle of voltage-dependent resistance. When the voltage across the varistor exceeds its threshold, it rapidly changes its resistance to limit the voltage and dissipate excess energy.

Detailed Application Field Plans

The ROV05H391K finds application in various fields, including: - Power supply units - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • ROV10H391K: Higher energy absorption capacity
  • ROV05H431K: Lower clamping voltage for sensitive circuits
  • ROV05H361K: Lower nominal varistor voltage for specific applications

In conclusion, the ROV05H391K varistor offers effective voltage protection and transient suppression for a wide range of electronic applications, making it an essential component in safeguarding circuits from damaging voltage fluctuations and surges.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق ROV05H391K في الحلول التقنية

  1. What is ROV05H391K?

    • ROV05H391K is a specific model of resistor used in electronic circuits.

  2. What are the key specifications of ROV05H391K?

    • The ROV05H391K is a 5W, 390 ohm thick film resistor with a tolerance of 1%.

  3. How is ROV05H391K typically used in technical solutions?

    • ROV05H391K is commonly used as a current-limiting or voltage-dropping resistor in various electronic applications.

  4. What are the temperature ratings for ROV05H391K?

    • The ROV05H391K has a maximum operating temperature of 155°C.

  5. Can ROV05H391K be used in high-power applications?

    • Yes, ROV05H391K is designed for use in moderate to high-power applications due to its 5W power rating.

  6. Is ROV05H391K suitable for surface mount applications?

    • Yes, ROV05H391K is a surface mount device (SMD) and can be easily integrated into PCB designs.

  7. Are there any recommended soldering techniques for ROV05H391K?

    • It is recommended to use reflow soldering techniques for ROV05H391K to ensure proper and reliable connections.

  8. What are the typical applications for ROV05H391K in technical solutions?

    • ROV05H391K is commonly used in power supplies, motor control circuits, LED lighting, and other electronic systems requiring precise resistance values.

  9. Does ROV05H391K require any special handling considerations?

    • ROV05H391K should be handled with care to avoid damage to the resistor body or leads, and it should be stored in a dry environment to prevent moisture absorption.

  10. Where can I purchase ROV05H391K resistors for my technical solutions?

    • ROV05H391K resistors can be purchased from authorized distributors or directly from the manufacturer's website.