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ROV07H681K-S
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ROV07H681K-S

Product Overview

Category

The ROV07H681K-S 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 surges.

Characteristics

  • Voltage Protection: Protects against voltage spikes and transients.
  • Non-linear Response: Exhibits non-linear voltage-current characteristics.
  • High Energy Absorption: Capable of dissipating high levels of energy during transient events.

Package

The ROV07H681K-S is typically available in a disc-shaped package with leads for through-hole mounting.

Essence

The essence of the ROV07H681K-S lies in its ability to safeguard electronic circuits from voltage surges, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

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

Specifications

  • Voltage Rating: 680V
  • Maximum Allowable Voltage: 420V
  • Peak Current Capability: 6000A
  • Energy (2ms): 10J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ROV07H681K-S typically has two leads for connection to the circuit. The pin configuration is as follows: 1. Lead 1: Connected to one end of the varistor element 2. Lead 2: Connected to the other end of the varistor element

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage spikes and transients.
  • Fast Response Time: Rapidly clamps excessive voltages to protect downstream components.
  • Reliable Operation: Offers consistent performance over a wide range of operating conditions.

Advantages

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

Disadvantages

  • Non-linear characteristics may introduce complexities in circuit design
  • Limited lifespan under repeated transient events

Working Principles

The ROV07H681K-S operates based on the principle of varistor action, where its resistance decreases with increasing voltage. When a transient voltage surge occurs, the varistor rapidly conducts, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The ROV07H681K-S finds application in various electronic systems, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the ROV07H681K-S include: - ROV05H101K: Lower voltage rating - ROV14H431K: Higher energy absorption capability - ROV20H102K: Different form factor for space-constrained applications

In conclusion, the ROV07H681K-S varistor serves as a crucial component in protecting electronic circuits from voltage surges, offering reliable transient voltage suppression across a wide range of applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق ROV07H681K-S في الحلول التقنية

  1. What is the ROV07H681K-S used for?

    • The ROV07H681K-S is a varistor that is commonly used for surge protection in electronic circuits.

  2. What are the key specifications of the ROV07H681K-S?

    • The ROV07H681K-S has a maximum AC voltage of 460V, a maximum DC voltage of 615V, and a peak current of 4500A.

  3. How does the ROV07H681K-S provide surge protection?

    • The varistor material in the ROV07H681K-S has a high resistance at normal operating voltages but rapidly changes to a low resistance state when exposed to overvoltage conditions, effectively diverting excess current away from sensitive components.

  4. In what type of applications is the ROV07H681K-S commonly used?

    • The ROV07H681K-S is often used in power supplies, industrial equipment, telecommunications devices, and other electronic systems requiring surge protection.

  5. What is the operating temperature range of the ROV07H681K-S?

    • The ROV07H681K-S has an operating temperature range of -40°C to +85°C, making it suitable for a wide range of environments.

  6. Can the ROV07H681K-S be used in automotive applications?

    • Yes, the ROV07H681K-S is suitable for automotive electronics and can provide surge protection in vehicles.

  7. Is the ROV07H681K-S lead-free and RoHS compliant?

    • Yes, the ROV07H681K-S is lead-free and complies with the Restriction of Hazardous Substances (RoHS) directive.

  8. What is the response time of the ROV07H681K-S to surge events?

    • The ROV07H681K-S has a very fast response time, typically clamping surge voltages within nanoseconds to protect connected equipment.

  9. Are there any recommended mounting or soldering guidelines for the ROV07H681K-S?

    • Yes, the manufacturer provides specific guidelines for mounting and soldering the ROV07H681K-S to ensure proper performance and reliability.

  10. What are the potential failure modes of the ROV07H681K-S?

    • Common failure modes include degradation due to prolonged exposure to high surge currents, excessive voltage stress, or environmental factors such as humidity and temperature extremes. Regular testing and replacement are recommended in critical applications.