EPCOS (TDK)
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B72220P3211K101
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B72220P3211K101

Product Overview

The B72220P3211K101 belongs to the category of varistors, which are electronic components used to protect circuits from overvoltage conditions. These varistors are commonly used in power supplies, telecommunication equipment, and industrial electronics due to their ability to absorb high voltage surges and protect sensitive components. The B72220P3211K101 varistor is known for its high energy absorption capability, compact package, and reliability.

Basic Information

  • Category: Varistors
  • Use: Overvoltage protection in electronic circuits
  • Characteristics: High energy absorption, compact size, reliability
  • Package: Disc type
  • Essence: Protection against voltage surges
  • Packaging/Quantity: Bulk packaging, quantity varies based on supplier

Specifications

  • Part Number: B72220P3211K101
  • Maximum Allowable Voltage: 320V
  • Nominal Discharge Current (8/20µs): 10kA
  • Operating Temperature Range: -40°C to +85°C
  • Dimensions: 7mm diameter

Detailed Pin Configuration

The B72220P3211K101 varistor has a disc-shaped configuration with two terminals for connection to the circuit. The pinout configuration is as follows: - Terminal 1: Input/Anode - Terminal 2: Output/Cathode

Functional Features

  • Overvoltage Protection: Absorbs high voltage surges to protect downstream components.
  • Fast Response Time: Rapidly clamps voltage spikes to prevent damage.
  • Reliable Operation: Consistent performance under varying environmental conditions.

Advantages and Disadvantages

Advantages

  • Effective overvoltage protection
  • Compact size for space-constrained applications
  • Wide operating temperature range

Disadvantages

  • Limited maximum allowable voltage compared to some alternatives
  • Sensitive to prolonged exposure to high temperatures

Working Principles

The B72220P3211K101 varistor operates based on the principle of non-linear resistance. When subjected to an overvoltage condition, the varistor's resistance decreases significantly, allowing it to divert excess current away from the protected circuit. This rapid change in resistance helps to limit the voltage across the circuit and prevent damage to connected devices.

Detailed Application Field Plans

The B72220P3211K101 varistor finds extensive use in various electronic systems, including: - Power supply units - Surge protectors - Industrial control systems - Telecommunication equipment - Automotive electronics

Detailed and Complete Alternative Models

Several alternative varistor models can be considered based on specific application requirements, including: - B72220S0271K101 - B72220S0301K101 - B72220S0321K101 - B72220S0331K101

In conclusion, the B72220P3211K101 varistor offers reliable overvoltage protection in a compact package, making it suitable for diverse electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de B72220P3211K101 dans les solutions techniques

  1. What is B72220P3211K101?

    • B72220P3211K101 is a type of EPCOS varistor, which is a voltage-dependent resistor used to protect electronic circuits from overvoltage conditions.

  2. What are the key specifications of B72220P3211K101?

    • The key specifications of B72220P3211K101 include a maximum AC voltage of 250V, a maximum DC voltage of 320V, and a nominal varistor voltage of 275V.

  3. How is B72220P3211K101 typically used in technical solutions?

    • B72220P3211K101 is commonly used in technical solutions as a transient voltage suppressor to protect sensitive electronic components from voltage spikes and surges.

  4. What are the typical applications for B72220P3211K101?

    • Typical applications for B72220P3211K101 include power supplies, industrial electronics, telecommunications equipment, and automotive electronics.

  5. What are the advantages of using B72220P3211K101 in technical solutions?

    • The advantages of using B72220P3211K101 include its ability to provide reliable overvoltage protection, compact size, and high energy absorption capability.

  6. Are there any limitations or considerations when using B72220P3211K101?

    • It's important to consider the operating temperature range, response time, and mounting requirements when using B72220P3211K101 in technical solutions.

  7. How does B72220P3211K101 compare to other varistors on the market?

    • B72220P3211K101 offers comparable performance to other varistors while providing specific voltage ratings and energy absorption capabilities suitable for various applications.

  8. Can B72220P3211K101 be used in combination with other protective components?

    • Yes, B72220P3211K101 can be used in conjunction with other protective components such as fuses, circuit breakers, and surge protectors to create comprehensive overvoltage protection systems.

  9. What are the recommended soldering and handling practices for B72220P3211K101?

    • It's recommended to follow the manufacturer's guidelines for soldering and handling to ensure the proper installation and performance of B72220P3211K101.

  10. Where can B72220P3211K101 be sourced and purchased for technical solutions?

    • B72220P3211K101 can be sourced and purchased from authorized distributors, electronic component suppliers, and directly from the manufacturer, EPCOS.