EPCOS (TDK)
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B72530T1140S272
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B72530T1140S272

Product Overview

Category

The B72530T1140S272 belongs to the category of varistors, which are electronic components used for voltage regulation and surge protection.

Use

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

Characteristics

  • Voltage Regulation: The varistor can effectively regulate voltage spikes and surges.
  • High Energy Absorption Capacity: Capable of absorbing high levels of energy during transient events.
  • Reliable Protection: Provides reliable protection for electronic circuits and components.

Package

The B72530T1140S272 varistor is typically available in a cylindrical package with leads for easy integration into circuit boards.

Essence

The essence of this varistor lies in its ability to safeguard electronic circuits from voltage fluctuations and transient events, ensuring the longevity and reliability of electronic devices.

Packaging/Quantity

The varistor is usually packaged in reels or trays, and the quantity per package varies based on the manufacturer's specifications.

Specifications

  • Model: B72530T1140S272
  • Maximum Allowable Voltage: 275V
  • Nominal Discharge Current (8/20µs): 10kA
  • Operating Temperature Range: -40°C to +85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The B72530T1140S272 varistor has two leads, typically denoted as the anode and cathode. The pin configuration is as follows: - Anode (A) - Connected to the positive terminal of the circuit - Cathode (K) - Connected to the negative terminal of the circuit

Functional Features

  • Surge Protection: Effectively clamps excessive voltage spikes to protect downstream components.
  • Fast Response Time: Rapidly responds to transient events to minimize damage to connected devices.
  • Low Leakage Current: Maintains low leakage current under normal operating conditions.

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast response time
  • Reliable performance under varying environmental conditions

Disadvantages

  • Limited maximum allowable voltage
  • Requires proper circuit design for optimal performance

Working Principles

The varistor operates based on the principle of nonlinear resistance, where its resistance decreases as the applied voltage increases. When a transient voltage spike occurs, the varistor rapidly conducts, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The B72530T1140S272 varistor finds applications in various electronic systems, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • B72530T0250K062: Similar varistor with lower maximum allowable voltage
  • B72530T0500K062: Varistor with higher maximum allowable voltage for specific applications
  • B72530T0750K062: Alternative model with intermediate voltage rating

In conclusion, the B72530T1140S272 varistor offers reliable surge protection and voltage regulation for a wide range of electronic applications, making it an essential component in modern electronic designs.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av B72530T1140S272 i tekniska lösningar

  1. What is B72530T1140S272?

    • B72530T1140S272 is a type of EPCOS varistor, which is a voltage-dependent resistor used to protect electronic circuits from overvoltage conditions.

  2. How does B72530T1140S272 work?

    • B72530T1140S272 works by rapidly changing its resistance in response to changes in voltage, effectively diverting excess current away from sensitive components in the circuit.

  3. What are the typical applications of B72530T1140S272?

    • B72530T1140S272 is commonly used in power supplies, industrial electronics, automotive systems, and telecommunications equipment to provide overvoltage protection.

  4. What is the maximum voltage rating for B72530T1140S272?

    • The maximum voltage rating for B72530T1140S272 is typically around 470V.

  5. What is the energy absorption capability of B72530T1140S272?

    • B72530T1140S272 can absorb transient energy caused by overvoltage events, with typical energy absorption ratings ranging from 40J to 100J.

  6. How do I select the appropriate B72530T1140S272 for my application?

    • The selection of B72530T1140S272 depends on factors such as the operating voltage of the circuit, the energy absorption requirements, and the physical space available for the varistor.

  7. Can B72530T1140S272 be used in outdoor environments?

    • Yes, B72530T1140S272 is designed to withstand outdoor conditions and is suitable for use in outdoor equipment and installations.

  8. What are the temperature specifications for B72530T1140S272?

    • B72530T1140S272 typically has a wide operating temperature range, from -40°C to 85°C, making it suitable for various environmental conditions.

  9. Are there any reliability considerations for B72530T1140S272?

    • B72530T1140S272 is designed for high reliability and long-term stability, making it suitable for critical applications where consistent performance is essential.

  10. Is B72530T1140S272 RoHS compliant?

    • Yes, B72530T1140S272 complies with the Restriction of Hazardous Substances (RoHS) directive, ensuring that it meets environmental standards for electronic components.