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B72210S1140K102
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B72210S1140K102

Product Overview

Category

The B72210S1140K102 belongs to the category of varistors, which are electronic components used to protect circuits from overvoltage conditions.

Use

This varistor is used to suppress voltage surges and limit transient overvoltage in electronic circuits.

Characteristics

  • High energy absorption capability
  • Fast response time
  • Wide operating temperature range
  • RoHS compliant

Package

The B72210S1140K102 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 quickly divert excessive voltage away from sensitive electronic components, thereby protecting them from damage.

Packaging/Quantity

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

Specifications

  • Maximum Allowable Voltage: 140V
  • Nominal Varistor Voltage: 102V
  • Peak Current (8/20µs): 100A
  • Energy (10/1000µs): 2.5J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The B72210S1140K102 varistor has two leads for connection to the circuit. The pin configuration is as follows: 1. Lead 1: Connects to the positive terminal of the circuit 2. Lead 2: Connects to the ground or negative terminal of the circuit

Functional Features

  • Non-linear voltage-current characteristics
  • Rapid response to voltage transients
  • Low leakage current under normal operating conditions

Advantages

  • Effective protection against voltage spikes
  • Compact size for easy integration into circuit designs
  • Reliable performance over a wide temperature range

Disadvantages

  • Limited lifespan when subjected to frequent voltage surges
  • Requires careful consideration of placement within the circuit to maximize effectiveness

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 B72210S1140K102 varistor finds applications in various electronic systems, including: - Power supplies - Telecommunications equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the B72210S1140K102 varistor include: - B72210S151K101 - B72210S200K101 - B72210S230K101 - B72210S300K101

In conclusion, the B72210S1140K102 varistor offers reliable overvoltage protection for a wide range of electronic applications, making it an essential component in modern circuit design.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением B72210S1140K102 в технических решениях.

  1. What is the B72210S1140K102?

    • The B72210S1140K102 is a type of varistor, also known as a voltage-dependent resistor, used to protect electrical and electronic devices from overvoltage.

  2. How does the B72210S1140K102 work?

    • When the voltage across the varistor exceeds a certain threshold, it conducts significantly, diverting excess current away from sensitive components.

  3. What are the typical applications of B72210S1140K102?

    • It is commonly used in surge protection devices, power supplies, industrial equipment, and consumer electronics to safeguard against voltage spikes and surges.

  4. What are the key specifications of B72210S1140K102?

    • The B72210S1140K102 has a maximum AC voltage of 140V, a nominal diameter of 7mm, and a peak current capability of 8000A.

  5. How do I select the right B72210S1140K102 for my application?

    • Consider the operating voltage, energy absorption capability, response time, and environmental conditions to choose the appropriate varistor for your specific needs.

  6. Can the B72210S1140K102 be used in outdoor applications?

    • Yes, it can be used in outdoor applications, but it's important to ensure that it is adequately protected from moisture and other environmental factors.

  7. What are the potential failure modes of B72210S1140K102?

    • Common failure modes include thermal runaway, degradation due to prolonged exposure to high voltage, and mechanical damage.

  8. Are there any precautions to consider when using B72210S1140K102?

    • Ensure proper mounting and grounding, avoid exceeding the maximum specified voltage, and periodically check for signs of degradation or damage.

  9. Can B72210S1140K102 be used in combination with other protective devices?

    • Yes, it can be used in conjunction with fuses, circuit breakers, and other protective devices to provide comprehensive overvoltage protection.

  10. Where can I purchase B72210S1140K102?

    • B72210S1140K102 varistors are available through authorized distributors and can be sourced from major electronic component suppliers.