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B72520E0300K072

B72520E0300K072

Product Overview

Category

The B72520E0300K072 belongs to the category of electronic components, specifically a varistor.

Use

It is used as a voltage-dependent resistor to protect circuits from overvoltage conditions.

Characteristics

  • Voltage-dependent nonlinear resistor
  • Protects against transient overvoltage
  • Fast response time
  • High energy absorption capability

Package

The B72520E0300K072 is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of the B72520E0300K072 is its ability to limit excessive voltage and protect sensitive electronic components.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Part Number: B72520E0300K072
  • Maximum Allowable Voltage: 30V
  • Nominal Varistor Voltage: 22V
  • Peak Current (8/20μs): 100A
  • Energy (10/1000μs): 0.3J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The B72520E0300K072 has two leads for connection to the circuit board. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Nonlinear voltage-current characteristics
  • Rapid response to overvoltage events
  • Low leakage current under normal operating conditions

Advantages

  • Effective protection against transient overvoltage
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited lifespan after multiple surge events
  • Susceptible to thermal runaway under extreme conditions

Working Principles

The B72520E0300K072 operates based on the principle of Zener breakdown, where its resistance decreases sharply when the voltage across it exceeds the nominal varistor voltage.

Detailed Application Field Plans

The B72520E0300K072 is commonly used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the B72520E0300K072 include: - B72520T0300K072 - B72520E0500K072 - B72520E0100K072

In conclusion, the B72520E0300K072 varistor is a crucial component in protecting electronic circuits from overvoltage events. Its fast response time and high energy absorption capability make it an essential part of many electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací B72520E0300K072 v technických řešeních

  1. What is the B72520E0300K072 component used for in technical solutions?

    • The B72520E0300K072 is a varistor, commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the B72520E0300K072?

    • The B72520E0300K072 has a voltage rating of 30V and a maximum surge current of 250A.

  3. How does the B72520E0300K072 provide overvoltage protection?

    • The varistor material in the B72520E0300K072 exhibits a non-linear resistance characteristic, which allows it to conduct excess voltage away from sensitive components, protecting them from damage.

  4. In what types of applications is the B72520E0300K072 commonly used?

    • The B72520E0300K072 is often used in power supplies, telecommunications equipment, industrial controls, and consumer electronics for overvoltage protection.

  5. What are the temperature and humidity operating ranges for the B72520E0300K072?

    • The B72520E0300K072 typically operates within a temperature range of -40°C to +85°C and a humidity range of up to 95% relative humidity.

  6. Can the B72520E0300K072 be used in automotive applications?

    • Yes, the B72520E0300K072 is suitable for automotive applications, providing overvoltage protection in various vehicle systems.

  7. What are the mounting options for the B72520E0300K072?

    • The B72520E0300K072 is available in surface mount (SMD) and through-hole packages, offering flexibility for different assembly processes.

  8. Does the B72520E0300K072 require any additional circuitry for proper operation?

    • The B72520E0300K072 can be directly connected across the circuit to be protected and does not require additional circuitry for basic overvoltage protection.

  9. Are there any reliability certifications or standards compliance for the B72520E0300K072?

    • The B72520E0300K072 may comply with industry standards such as IEC 61000-4-5 for surge immunity and may have relevant safety certifications.

  10. What are the typical failure modes of the B72520E0300K072 and how can they be mitigated?

    • Common failure modes include degradation due to repeated surges or excessive current. Mitigation strategies include using appropriate derating guidelines and ensuring proper installation and handling procedures.