EPCOS (TDK)
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
B72220S0321K551
Zobrazit detail DataSheets

B72220S0321K551

Product Overview

Category

The B72220S0321K551 belongs to the category of varistors, which are electronic components used for voltage regulation and surge protection.

Use

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

Characteristics

  • Voltage Regulation: The varistor can quickly respond to overvoltage conditions, diverting excess current away from sensitive components.
  • High Energy Absorption: Capable of absorbing high levels of energy during transient events.
  • Reliability: Designed for long-term use and consistent performance.
  • Compact Size: Suitable for integration into various electronic devices and circuit boards.

Package

The B72220S0321K551 varistor is typically available in a cylindrical package with lead wires for easy integration into circuit designs.

Essence

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

Packaging/Quantity

The varistor is usually packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Model: B72220S0321K551
  • Maximum Allowable Voltage: 320V
  • Nominal Varistor Voltage: 550V
  • Peak Current Capability: 8000A
  • Operating Temperature Range: -40°C to 85°C
  • Lead Diameter: 0.6mm
  • Lead Spacing: 5mm

Detailed Pin Configuration

The B72220S0321K551 varistor has two leads, typically denoted as the anode and cathode. The pin configuration is as follows: - Anode (A) - Connected to the positive terminal of the circuit - Cathode (K) - Connected to the negative terminal of the circuit

Functional Features

  • Surge Protection: Provides rapid response to voltage surges, safeguarding connected components.
  • Voltage Clamping: Limits the voltage across the circuit by diverting excess current through the varistor.
  • Transient Suppression: Effectively suppresses transient voltage spikes to protect sensitive electronics.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Compact size for easy integration
  • High energy absorption capability

Disadvantages

  • Limited lifespan under continuous exposure to high-energy transients
  • Requires proper circuit design for optimal performance

Working Principles

The varistor operates based on the principle of voltage-dependent resistance. When the voltage across the varistor exceeds its nominal voltage, it rapidly decreases its resistance, effectively shunting excess current away from the protected circuit.

Detailed Application Field Plans

The B72220S0321K551 varistor finds applications in various fields, including: - Consumer Electronics: Surge protection in televisions, computers, and home appliances - Industrial Equipment: Protection for control systems, power supplies, and motor drives - Automotive Electronics: Safeguarding automotive control units and entertainment systems - Telecommunications: Surge suppression in communication equipment and network infrastructure

Detailed and Complete Alternative Models

  • B72220S0321K101
  • B72220S0321K102
  • B72220S0321K103
  • B72220S0321K104

In conclusion, the B72220S0321K551 varistor offers reliable surge protection and voltage regulation for a wide range of electronic applications, making it an essential component in ensuring the longevity and reliability of electronic systems.

[Word Count: 536]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací B72220S0321K551 v technických řešeních

  1. What is the B72220S0321K551 component used for in technical solutions?

    • The B72220S0321K551 is a varistor, commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the B72220S0321K551?

    • The B72220S0321K551 has a voltage rating of 320V and a maximum surge current capability of 8000A.

  3. How does the B72220S0321K551 provide overvoltage protection?

    • The varistor material in the B72220S0321K551 exhibits a non-linear resistance that decreases with increasing voltage, effectively shunting excess voltage away from sensitive components.

  4. In what types of applications is the B72220S0321K551 commonly used?

    • The B72220S0321K551 is often used in power supplies, industrial equipment, and consumer electronics to protect against transient voltage spikes.

  5. What are the typical failure modes of the B72220S0321K551?

    • The B72220S0321K551 can fail due to prolonged exposure to overvoltage conditions or excessive current surges, leading to degradation of its protective capabilities.

  6. Can the B72220S0321K551 be used in automotive applications?

    • Yes, the B72220S0321K551 is suitable for automotive applications where overvoltage protection is required.

  7. Are there any temperature limitations for the B72220S0321K551?

    • The B72220S0321K551 has an operating temperature range of -40°C to 85°C, making it suitable for a wide range of environments.

  8. What is the recommended circuit configuration for integrating the B72220S0321K551?

    • The B72220S0321K551 is typically connected in parallel with the circuit being protected, providing a low-impedance path for overvoltage events.

  9. Does the B72220S0321K551 require any additional protective measures in high-energy environments?

    • In high-energy environments, such as lightning-prone areas, additional protective measures like gas discharge tubes or TVS diodes may be used in conjunction with the B72220S0321K551 for enhanced protection.

  10. Where can I find detailed application notes for using the B72220S0321K551 in technical solutions?

    • Detailed application notes for the B72220S0321K551 can be found on the manufacturer's website or in the product datasheet, providing guidance on proper integration and usage in various technical solutions.