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B72210S0251K211

B72210S0251K211

Product Overview

Category

The B72210S0251K211 belongs to the category of varistors, which are electronic components used for voltage regulation and surge protection.

Use

This varistor is used to protect electronic circuits from overvoltage conditions by rapidly changing resistance when exposed to high voltage.

Characteristics

  • Rapid response to overvoltage conditions
  • High energy absorption capacity
  • Compact size
  • Wide operating temperature range

Package

The B72210S0251K211 varistor is typically available in a cylindrical package with leads for easy integration into circuit boards.

Essence

The essence of this varistor lies in its ability to safeguard sensitive electronic components from voltage spikes and surges.

Packaging/Quantity

The varistor is usually packaged in reels or trays, and the quantity per package varies based on the manufacturer's specifications.

Specifications

  • Model: B72210S0251K211
  • Voltage Rating: 250V
  • Nominal Discharge Current: 5kA
  • Maximum Energy Absorption: 110J
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The B72210S0251K211 varistor has two leads, typically denoted as anode and cathode. The pin configuration may vary slightly based on the manufacturer's specifications.

Functional Features

  • Voltage clamping during transient overvoltage events
  • Fast response time to protect downstream components
  • Low leakage current under normal operating conditions

Advantages

  • Effective protection against voltage surges
  • Compact design for space-constrained applications
  • Wide operating temperature range for versatility

Disadvantages

  • Limited lifespan under repetitive high-energy surge events
  • Susceptible to thermal runaway under extreme conditions

Working Principles

When the voltage across the varistor exceeds its rated value, the device conducts heavily, diverting the excess current away from the protected circuit. This rapid change in resistance effectively limits the voltage across the circuit.

Detailed Application Field Plans

The B72210S0251K211 varistor finds application in various electronic systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • B72210S0251K101: Lower voltage rating
  • B72210S0251K501: Higher voltage rating
  • B72210S0251K212: Enhanced energy absorption capacity

This comprehensive range of alternative models allows for tailored surge protection solutions across different applications.

In conclusion, the B72210S0251K211 varistor offers reliable overvoltage protection for a wide range of electronic systems, making it an essential component in ensuring the longevity and reliability of sensitive electronic devices.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de B72210S0251K211 en soluciones técnicas

  1. What is the B72210S0251K211 used for in technical solutions?

    • The B72210S0251K211 is a varistor, commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the B72210S0251K211?

    • The B72210S0251K211 has a maximum AC voltage of 17V, a maximum DC voltage of 22V, and a maximum surge current of 250A.

  3. How does the B72210S0251K211 provide overvoltage protection?

    • The varistor material in the B72210S0251K211 exhibits a non-linear resistance characteristic, which allows it to conduct excess voltage away from sensitive components, protecting them from damage.

  4. In what type of applications is the B72210S0251K211 commonly used?

    • The B72210S0251K211 is commonly used in power supplies, industrial equipment, and consumer electronics to protect against transient voltage spikes.

  5. What is the operating temperature range of the B72210S0251K211?

    • The B72210S0251K211 has an operating temperature range of -40°C to +85°C, making it suitable for a wide range of environments.

  6. Can the B72210S0251K211 be used in automotive applications?

    • Yes, the B72210S0251K211 is suitable for use in automotive electronics due to its robust construction and ability to withstand transient voltage events.

  7. What is the lifespan of the B72210S0251K211 in typical applications?

    • The B72210S0251K211 has a long lifespan when operated within its specified parameters, making it reliable for extended use in technical solutions.

  8. Does the B72210S0251K211 require any additional circuitry for proper operation?

    • The B72210S0251K211 can be directly connected across the circuit to be protected, but it may benefit from additional fuse or thermal protection in some applications.

  9. Are there any special handling considerations for the B72210S0251K211 during assembly?

    • Care should be taken to avoid mechanical stress on the varistor body during assembly, and it should be mounted securely to dissipate any heat generated during operation.

  10. Where can I find detailed application notes for integrating the B72210S0251K211 into my technical solution?

    • Detailed application notes and guidelines for the B72210S0251K211 can be found in the manufacturer's datasheet and application guides, providing comprehensive information for successful integration.