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B72220S0170K551
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B72220S0170K551

Product Overview

Category

The B72220S0170K551 belongs to the category of varistors, which are electronic components used for protecting circuits from overvoltage conditions.

Use

This varistor is commonly used in electronic circuits to suppress voltage spikes and protect sensitive components from damage.

Characteristics

  • High energy absorption capacity
  • Fast response time
  • Wide operating temperature range
  • Low leakage current
  • RoHS compliant

Package

The B72220S0170K551 varistor is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of this varistor lies in its ability to rapidly absorb and dissipate excess electrical energy, thereby safeguarding connected devices and components.

Packaging/Quantity

These varistors are usually packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

  • Maximum Allowable Voltage: 17V
  • Nominal Varistor Voltage: 22V
  • Peak Current (8/20μs): 400A
  • Energy (10/1000μs): 0.6J
  • Operating Temperature Range: -40°C to 85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The B72220S0170K551 varistor has two leads, typically denoted as anode and cathode, for connection within the circuit. The pin configuration is designed for easy integration into standard PCB layouts.

Functional Features

  • Overvoltage protection
  • Transient voltage suppression
  • High energy absorption
  • Fast response to voltage spikes

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Wide operating temperature range
  • Low leakage current
  • RoHS compliant

Disadvantages

  • Limited lifespan under continuous high-energy events
  • Sensitive to extreme environmental conditions

Working Principles

The B72220S0170K551 varistor operates based on the principle of nonlinear resistance, where its resistance decreases as the applied voltage increases. This allows it to divert excessive current away from sensitive components, thereby protecting the circuit from damage.

Detailed Application Field Plans

The B72220S0170K551 varistor finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the B72220S0170K551 varistor include: - B72220S0250K101 - B72220S0300K101 - B72220S0400K101 - B72220S0500K101

In conclusion, the B72220S0170K551 varistor offers reliable overvoltage protection and transient voltage suppression for a wide range of electronic applications, making it an essential component in modern circuit design.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací B72220S0170K551 v technických řešeních

  1. What is the B72220S0170K551?

    • The B72220S0170K551 is a specific type of varistor, which is an electronic component used to protect circuits from overvoltage conditions.

  2. What are the key specifications of the B72220S0170K551?

    • The B72220S0170K551 has a maximum AC voltage of 130V, a maximum DC voltage of 175V, and a nominal varistor voltage of 17V.

  3. How is the B72220S0170K551 typically used in technical solutions?

    • The B72220S0170K551 is commonly used in power supplies, industrial equipment, and automotive applications to protect sensitive electronic components from voltage surges.

  4. What are the advantages of using the B72220S0170K551 in technical solutions?

    • The B72220S0170K551 provides reliable overvoltage protection, fast response times, and high energy absorption capabilities, making it ideal for safeguarding electronic circuits.

  5. Are there any limitations or considerations when using the B72220S0170K551?

    • It's important to consider the operating temperature range, mounting options, and the need for additional protective measures when integrating the B72220S0170K551 into a technical solution.

  6. Can the B72220S0170K551 be used in combination with other protective components?

    • Yes, the B72220S0170K551 can be used in conjunction with fuses, transient voltage suppressors, and other protective devices to create comprehensive overvoltage protection schemes.

  7. What are some common failure modes or issues associated with the B72220S0170K551?

    • Overheating, degradation of varistor characteristics over time, and susceptibility to extreme environmental conditions are potential issues to be aware of when using the B72220S0170K551.

  8. How can the B72220S0170K551 be tested for proper functionality?

    • The B72220S0170K551 can be tested using standard electrical testing methods such as measuring its clamping voltage, leakage current, and response time under controlled test conditions.

  9. Are there alternative components that can be used instead of the B72220S0170K551?

    • Yes, there are other varistors with similar or different specifications that can be considered based on the specific requirements of the technical solution.

  10. Where can I find detailed technical documentation and application notes for the B72220S0170K551?

    • Detailed technical documentation and application notes for the B72220S0170K551 can be obtained from the manufacturer's website, distributor resources, or by contacting their technical support team.