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ROV05H390K-S-2
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ROV05H390K-S-2

Product Category

The ROV05H390K-S-2 belongs to the category of passive electronic components, specifically a varistor.

Basic Information Overview

  • Use: The varistor is used to protect electrical circuits against excessive transient voltage.
  • Characteristics: It exhibits non-linear current-voltage characteristics and has high resistance at normal operating voltages but low resistance at higher voltages.
  • Package: The varistor is typically housed in a disc or cylindrical shape with lead wires for connection.
  • Essence: Its essence lies in providing overvoltage protection to sensitive electronic components.
  • Packaging/Quantity: The varistor is commonly packaged in reels, tubes, or trays, and the quantity varies based on the manufacturer's specifications.

Specifications

  • Model: ROV05H390K-S-2
  • Maximum Allowable Voltage (VAC): 390V
  • Maximum Clamping Voltage (VC): 650V
  • Peak Current (Ipeak): 4000A
  • Energy (W) @ 10/1000μs: 3.5J
  • Operating Temperature Range: -40°C to +85°C
  • Dimensions: 5mm diameter

Detailed Pin Configuration

The ROV05H390K-S-2 varistor has two lead wires for connection, typically denoted as anode and cathode.

Functional Features

  • Overvoltage Protection: Provides protection by shunting excess voltage away from sensitive components.
  • Non-linear Response: Exhibits a non-linear response to voltage changes, allowing it to effectively limit voltage spikes.

Advantages

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

Disadvantages

  • Limited lifespan under repeated surge events
  • Can degrade over time with exposure to high energy transients

Working Principles

When the voltage across the varistor exceeds its threshold, it conducts heavily, diverting the excess current away from the protected circuit.

Detailed Application Field Plans

The ROV05H390K-S-2 varistor finds applications in various fields such as: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  1. ROV05H220K-S-2

    • Maximum Allowable Voltage: 220V
    • Maximum Clamping Voltage: 360V
    • Peak Current: 4000A
    • Energy: 2.5J
    • Dimensions: 5mm diameter

  2. ROV05H470K-S-2

    • Maximum Allowable Voltage: 470V
    • Maximum Clamping Voltage: 775V
    • Peak Current: 4000A
    • Energy: 4.0J
    • Dimensions: 5mm diameter

In conclusion, the ROV05H390K-S-2 varistor is a crucial component in protecting electronic circuits from voltage surges, finding widespread use across various industries due to its reliable performance and robust design.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ROV05H390K-S-2 en soluciones técnicas

  1. What is the ROV05H390K-S-2 used for?

    • The ROV05H390K-S-2 is a high voltage metal oxide varistor (MOV) designed to protect sensitive electronic equipment from voltage surges and transients.

  2. What is the maximum operating voltage of the ROV05H390K-S-2?

    • The maximum operating voltage of the ROV05H390K-S-2 is 390V.

  3. What is the energy absorption capability of the ROV05H390K-S-2?

    • The ROV05H390K-S-2 has an energy absorption capability of 5J.

  4. How does the ROV05H390K-S-2 protect electronic equipment?

    • The ROV05H390K-S-2 clamps excessive voltage to a safe level, preventing it from reaching and damaging sensitive electronic components.

  5. Can the ROV05H390K-S-2 be used in outdoor applications?

    • Yes, the ROV05H390K-S-2 is suitable for outdoor applications as it is designed to withstand environmental conditions.

  6. What are the typical applications of the ROV05H390K-S-2?

    • The ROV05H390K-S-2 is commonly used in power supplies, industrial equipment, telecommunications, and automotive electronics to protect against voltage surges.

  7. Is the ROV05H390K-S-2 RoHS compliant?

    • Yes, the ROV05H390K-S-2 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  8. What is the response time of the ROV05H390K-S-2?

    • The response time of the ROV05H390K-S-2 is very fast, providing rapid protection against voltage spikes.

  9. Can the ROV05H390K-S-2 be used in conjunction with other surge protection devices?

    • Yes, the ROV05H390K-S-2 can be used in combination with other surge protection devices to provide comprehensive protection for electronic systems.

  10. Does the ROV05H390K-S-2 require any maintenance after installation?

    • No, the ROV05H390K-S-2 is maintenance-free once installed, providing long-term protection for electronic equipment.