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B72240L0251K102
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B72240L0251K102

Product Overview

Category

The B72240L0251K102 belongs to the category of varistors, which are electronic components used for protecting circuits from excessive voltage.

Use

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

Characteristics

  • Voltage Protection: The B72240L0251K102 has a high energy absorption capability, making it suitable for protecting electronic devices from voltage surges.
  • Response Time: This varistor offers fast response times to transient voltage events, ensuring rapid protection for connected circuits.
  • Reliability: It is designed to provide reliable overvoltage protection for various electronic applications.

Package

The B72240L0251K102 is typically available in a disc-shaped package with lead wires for easy integration into circuit boards.

Essence

The essence of this varistor lies in its ability to safeguard electronic circuits from voltage transients, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

These varistors are commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Model: B72240L0251K102
  • Maximum Allowable Voltage: 250V
  • Nominal Varistor Voltage: 130V
  • Peak Current (8/20µs): 4500A
  • Operating Temperature Range: -40°C to +85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The B72240L0251K102 features two lead wires for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: The varistor quickly clamps excessive voltage, diverting transient energy away from the protected circuit.
  • Non-linear Response: It exhibits a non-linear voltage-current characteristic, providing effective voltage suppression during transient events.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited maximum allowable voltage compared to some higher-rated varistors
  • Sensitive to prolonged exposure to high temperatures

Working Principles

The B72240L0251K102 operates based on the principle of voltage-dependent resistance. When subjected to an overvoltage condition, the varistor's resistance decreases rapidly, allowing it to conduct excess current and protect the connected circuit.

Detailed Application Field Plans

Power Supplies

In power supply units, the B72240L0251K102 can be used to protect sensitive electronic components from voltage spikes caused by line transients or lightning strikes.

Industrial Equipment

It finds application in industrial equipment where protection against voltage surges is crucial for maintaining operational reliability and safety.

Telecommunications

Telecommunication systems utilize these varistors to safeguard sensitive electronic circuits from transient events induced by lightning or power disturbances.

Detailed and Complete Alternative Models

  • B72240L0251K101
  • B72240L0251K103
  • B72240L0251K104

These alternative models offer similar voltage protection characteristics and can be considered as substitutes based on specific application requirements.

Note: The information provided is based on the product's typical specifications and may vary based on manufacturer updates and revisions.

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10個與B72240L0251K102在技術方案中應用相關的常見問題與解答

  1. What is the B72240L0251K102 component used for in technical solutions?

    • The B72240L0251K102 is a varistor, commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the B72240L0251K102?

    • The B72240L0251K102 has a voltage rating of 250V and a maximum surge current capability of 4500A.

  3. How does the B72240L0251K102 provide overvoltage protection?

    • The B72240L0251K102 varistor acts as a voltage-dependent resistor, conducting excess voltage to protect sensitive components in a circuit.

  4. In what type of applications is the B72240L0251K102 commonly used?

    • The B72240L0251K102 is often used in power supplies, industrial equipment, and consumer electronics for surge suppression.

  5. What are the temperature and humidity considerations for using the B72240L0251K102?

    • The B72240L0251K102 operates within a temperature range of -40°C to +85°C and is suitable for non-condensing environments.

  6. Can the B72240L0251K102 be used in automotive applications?

    • Yes, the B72240L0251K102 is suitable for automotive electronics and complies with relevant industry standards.

  7. What is the lifespan of the B72240L0251K102 in typical operating conditions?

    • The B72240L0251K102 has a long operational life, typically exceeding 10 years under normal usage.

  8. Are there any specific soldering or mounting requirements for the B72240L0251K102?

    • Proper soldering techniques and recommended mounting configurations should be followed as per the datasheet to ensure optimal performance.

  9. Does the B72240L0251K102 require any additional protective measures in high-voltage applications?

    • In high-voltage applications, appropriate circuit design and coordination with other protective devices may be necessary for comprehensive overvoltage protection.

  10. Where can I find detailed technical information and application notes for the B72240L0251K102?

    • Detailed technical information, including application notes, can be found in the datasheet provided by the manufacturer or through authorized distributors.