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B72220S2321K101
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B72220S2321K101

Product Overview

Category

The B72220S2321K101 belongs to the category of varistors, which are electronic components used for suppressing voltage surges.

Use

This varistor is commonly used in electronic circuits to protect sensitive components from transient overvoltage conditions.

Characteristics

  • Voltage Suppression: Capable of absorbing and dissipating high levels of transient voltage spikes.
  • Non-linear Response: Exhibits a non-linear voltage-current characteristic, providing effective protection against voltage surges.
  • Reliability: Designed to withstand multiple surge events without degradation.
  • Compact Package: Available in a compact package suitable for integration into various electronic devices.

Package

The B72220S2321K101 varistor is typically available in a cylindrical or disc-shaped package, with leads for easy soldering onto circuit boards.

Essence

The essence of this varistor lies in its ability to safeguard electronic circuits and components from damage caused by voltage transients.

Packaging/Quantity

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

Specifications

  • Part Number: B72220S2321K101
  • Maximum Allowable Voltage: 230V
  • Nominal Varistor Voltage: 175V
  • Peak Current Capability: 8000A
  • Operating Temperature Range: -40°C to 85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The B72220S2321K101 varistor has a two-lead configuration, with one lead connected to each end of the cylindrical or disc-shaped body. The leads are designed for through-hole soldering onto a printed circuit board.

Functional Features

  • Transient Voltage Suppression: Rapidly clamps excessive voltage to protect downstream components.
  • Fast Response Time: Reacts quickly to voltage surges, minimizing the risk of damage to sensitive electronics.
  • High Energy Absorption: Capable of dissipating large amounts of energy during transient events.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Compact form factor for easy integration

Disadvantages

  • Non-linear response may introduce some distortion in certain applications
  • Limited maximum allowable voltage compared to some other varistor models

Working Principles

When subjected to a voltage surge, the varistor's non-linear voltage-current characteristic causes it to conduct heavily, diverting the excess energy away from the protected circuit. This rapid response helps prevent damage to sensitive components.

Detailed Application Field Plans

The B72220S2321K101 varistor finds application in various electronic systems, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • B72220S251K101: Similar varistor with a higher maximum allowable voltage
  • B72220S271K101: Varistor with a lower nominal varistor voltage for different application requirements
  • B72220S300K101: Higher energy absorption capability for more demanding environments

In conclusion, the B72220S2321K101 varistor offers reliable protection against voltage surges in a compact package, making it suitable for a wide range of electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av B72220S2321K101 i tekniska lösningar

  1. What is the B72220S2321K101 component used for in technical solutions?

    • The B72220S2321K101 is a varistor, commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the B72220S2321K101?

    • The B72220S2321K101 has a voltage rating of 230V, a maximum surge current of 4500A, and a capacitance of 470pF.

  3. How does the B72220S2321K101 protect electronic circuits from overvoltage?

    • When an overvoltage occurs, the varistor conducts current and diverts the excess energy away from the sensitive components, protecting them from damage.

  4. In what types of applications is the B72220S2321K101 commonly used?

    • The B72220S2321K101 is often used in power supplies, industrial equipment, consumer electronics, and telecommunications devices to safeguard against voltage spikes.

  5. What is the operating temperature range of the B72220S2321K101?

    • The B72220S2321K101 has an operating temperature range of -40°C to +85°C, making it suitable for a wide range of environments.

  6. Can the B72220S2321K101 be used in automotive applications?

    • Yes, the B72220S2321K101 is suitable for automotive applications and complies with relevant industry standards.

  7. Are there any recommended mounting or soldering guidelines for the B72220S2321K101?

    • It is recommended to follow the manufacturer's guidelines for mounting and soldering to ensure proper performance and reliability.

  8. What are the potential failure modes of the B72220S2321K101?

    • Common failure modes include degradation due to prolonged exposure to high temperatures or excessive voltage surges beyond its ratings.

  9. Does the B72220S2321K101 require any additional protective measures in a circuit?

    • While the varistor provides overvoltage protection, it is advisable to incorporate other protective components such as fuses and transient voltage suppressors for comprehensive protection.

  10. Where can I find detailed application notes and technical information about using the B72220S2321K101 in my design?

    • Detailed application notes and technical information can be found in the datasheet provided by the manufacturer, as well as through online resources and technical support channels.