Littelfuse Inc.
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ROV14H781K-S-2
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ROV14H781K-S-2

Product Overview

Category

The ROV14H781K-S-2 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-dependent nonlinear resistor
  • Protects against overvoltage conditions
  • High energy absorption capability
  • Fast response time

Package

The ROV14H781K-S-2 is typically available in a cylindrical package with leads for easy installation on circuit boards.

Essence

The essence of the ROV14H781K-S-2 lies in its ability to safeguard electronic circuits from voltage spikes and surges.

Packaging/Quantity

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

Specifications

  • Maximum Allowable Voltage: 780V
  • Energy (10/1000μs): 360J
  • Peak Current (8/20μs): 6000A
  • Operating Temperature Range: -40°C to +85°C
  • Varistor Voltage at 1mA DC: 925V ±10%

Detailed Pin Configuration

The ROV14H781K-S-2 typically has two leads for connection to the circuit. The pin configuration may vary slightly based on the manufacturer's design, but it generally follows a standard leaded component layout.

Functional Features

  • Rapid response to voltage transients
  • Absorbs and dissipates high surge energies
  • Provides stable protection against overvoltage events
  • Low leakage current under normal operating conditions

Advantages

  • Effective protection against voltage surges
  • Fast reaction time to transient events
  • Wide operating temperature range
  • Reliable performance in diverse applications

Disadvantages

  • Limited lifespan after repeated exposure to high-energy surges
  • Susceptible to damage if subjected to prolonged overvoltage conditions

Working Principles

The ROV14H781K-S-2 operates based on the principle of voltage-dependent resistance. When exposed to a transient overvoltage, the varistor's resistance decreases rapidly, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The ROV14H781K-S-2 finds extensive use in various electronic systems, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

  • ROV14H221K-S-2: Lower voltage rating for less demanding applications
  • ROV14H102K-S-2: Higher energy absorption capability for more robust protection
  • ROV14H561K-S-2: Intermediate voltage and energy ratings for versatile applications

In conclusion, the ROV14H781K-S-2 varistor offers reliable overvoltage protection with fast response times, making it an essential component in safeguarding electronic circuits across diverse industries.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق ROV14H781K-S-2 في الحلول التقنية

  1. What is the ROV14H781K-S-2 used for in technical solutions?

    • The ROV14H781K-S-2 is a high-performance pressure sensor commonly used for measuring and monitoring pressure in various technical applications.

  2. What is the operating range of the ROV14H781K-S-2?

    • The operating range of the ROV14H781K-S-2 is typically from 0 to 100 psi, making it suitable for a wide range of pressure measurement requirements.

  3. Can the ROV14H781K-S-2 be used in underwater applications?

    • Yes, the ROV14H781K-S-2 is designed to withstand underwater environments and is often used in subsea applications for monitoring pressure at different depths.

  4. How accurate is the ROV14H781K-S-2 in measuring pressure?

    • The ROV14H781K-S-2 offers high accuracy, typically within ±0.5% of the full scale, ensuring precise pressure measurements in technical solutions.

  5. Is the ROV14H781K-S-2 compatible with different communication protocols?

    • Yes, the ROV14H781K-S-2 can be integrated with various communication protocols such as I2C, SPI, and analog output, allowing seamless connectivity with different systems.

  6. What are the typical applications of the ROV14H781K-S-2 in technical solutions?

    • The ROV14H781K-S-2 is commonly used in industrial automation, hydraulic systems, pneumatic systems, HVAC control, and other technical solutions requiring accurate pressure monitoring.

  7. Does the ROV14H781K-S-2 require calibration before use?

    • The ROV14H781K-S-2 is factory calibrated, but it may benefit from periodic recalibration to maintain its accuracy over time, especially in critical applications.

  8. Can the ROV14H781K-S-2 withstand harsh environmental conditions?

    • Yes, the ROV14H781K-S-2 is designed to operate reliably in harsh environments, including extreme temperatures, vibration, and shock, making it suitable for demanding technical solutions.

  9. What power supply voltage does the ROV14H781K-S-2 require?

    • The ROV14H781K-S-2 typically operates on a supply voltage of 3.3V or 5V, providing flexibility in integrating it into different technical solutions.

  10. Are there any special considerations for installing the ROV14H781K-S-2 in technical solutions?

    • It is important to ensure proper sealing and protection against moisture when installing the ROV14H781K-S-2 in outdoor or subsea applications to maintain its performance and longevity.