EPCOS (TDK)
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B72280B0112K001
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B72280B0112K001

Product Overview

Category

The B72280B0112K001 belongs to the category of varistors, which are electronic components used for voltage regulation and surge protection.

Use

It is used to protect electronic circuits from overvoltage conditions by rapidly changing resistance in response to voltage changes.

Characteristics

  • Fast response time
  • High energy absorption capacity
  • Wide operating temperature range
  • Low leakage current

Package

The B72280B0112K001 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 safeguard sensitive electronic components from voltage spikes and surges.

Packaging/Quantity

It is commonly packaged in reels or trays and is available in various quantities depending on the manufacturer's specifications.

Specifications

  • Maximum Allowable Voltage: 130V
  • Nominal Varistor Voltage: 75V
  • Peak Current (8/20μs): 8000A
  • Energy (10/1000μs): 360J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The B72280B0112K001 has two leads for connection to the circuit board. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Rapid response to voltage fluctuations
  • Absorption of high energy surges
  • Reliable protection of connected devices

Advantages

  • Effective surge protection
  • Wide operating temperature range
  • Low leakage current

Disadvantages

  • Limited maximum allowable voltage
  • Requires careful selection based on application requirements

Working Principles

The varistor operates based on the principle of voltage-dependent resistance. When the voltage across the varistor exceeds the nominal varistor voltage, it conducts current and dissipates the excess energy, thereby protecting the connected circuitry.

Detailed Application Field Plans

The B72280B0112K001 is widely used in various applications such as: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • B72280B0112K001 is part of the B72280 series by TDK Electronics, which includes various alternative models with different voltage and energy absorption characteristics.
  • Other alternative models from different manufacturers include the EPCOS S14K275 and Littelfuse V18ZA1P.

In conclusion, the B72280B0112K001 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 devices.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací B72280B0112K001 v technických řešeních

  1. What is the B72280B0112K001 component used for in technical solutions?

    • The B72280B0112K001 is a varistor, commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the B72280B0112K001 varistor?

    • The B72280B0112K001 has a voltage rating of 14V, a maximum surge current of 800A, and a capacitance of 100pF.

  3. How does the B72280B0112K001 varistor provide overvoltage protection?

    • When the voltage across the varistor exceeds its threshold, it conducts current and diverts the excess energy away from the protected circuit.

  4. In what types of technical applications is the B72280B0112K001 commonly used?

    • The B72280B0112K001 varistor is often used in power supplies, industrial equipment, telecommunications devices, and consumer electronics for overvoltage protection.

  5. What are the temperature and humidity operating ranges for the B72280B0112K001 varistor?

    • The B72280B0112K001 varistor can operate within a temperature range of -40°C to +85°C and at a relative humidity of up to 85%.

  6. Can the B72280B0112K001 varistor be used in automotive applications?

    • Yes, the B72280B0112K001 varistor is suitable for automotive applications, providing overvoltage protection in vehicle electronics.

  7. What are the recommended soldering and mounting techniques for the B72280B0112K001 varistor?

    • The B72280B0112K001 varistor can be soldered using reflow or wave soldering methods and should be mounted close to the protected circuit for optimal performance.

  8. Does the B72280B0112K001 varistor require any external components for proper operation?

    • No, the B72280B0112K001 varistor is a standalone component and does not require additional external components for its basic function.

  9. Are there any reliability tests or certifications associated with the B72280B0112K001 varistor?

    • The B72280B0112K001 varistor may undergo various reliability tests such as temperature cycling, humidity testing, and surge current testing. It may also have certifications such as UL recognition.

  10. What are the potential failure modes of the B72280B0112K001 varistor?

    • The B72280B0112K001 varistor may fail due to prolonged exposure to overvoltage conditions, excessive current surges, or mechanical damage. Regular testing and inspection are recommended to ensure proper functionality.