EPCOS (TDK)
Hình ảnh có thể mang tính chất minh họa.
Xem thông số kỹ thuật để biết chi tiết sản phẩm.
B72220P3461K101
Xem chi tiết DataSheets

B72220P3461K101

Product Overview

Category

The B72220P3461K101 belongs to the category of varistors, which are electronic components used to protect circuits from excessive voltage surges.

Use

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

Characteristics

  • Voltage Protection: The varistor can absorb high voltage surges and limit the voltage across the circuit.
  • Fast Response Time: It responds quickly to voltage spikes, providing rapid protection to the circuit.
  • Reliability: Designed for long-term use and can withstand multiple surge events.
  • Temperature Stability: Maintains stable performance across a wide temperature range.

Package

The B72220P3461K101 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 surges, ensuring the longevity and reliability of the connected devices.

Packaging/Quantity

These varistors are usually packaged in reels or trays, with quantities varying based on the manufacturer's specifications.

Specifications

  • Model: B72220P3461K101
  • Maximum Allowable Voltage: 340V
  • Nominal Varistor Voltage: 275V
  • Peak Current (8/20µs): 4500A
  • Energy (10/1000µs): 2.5J
  • Operating Temperature Range: -40°C to +85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The B72220P3461K101 varistor has two leads, typically denoted as anode and cathode. The pin configuration is as follows: - Anode (A) - Connected to the positive side of the circuit - Cathode (K) - Connected to the negative side of the circuit

Functional Features

  • Voltage Clamping: When the voltage exceeds the varistor's threshold, it conducts current and clamps the voltage to a safe level.
  • Transient Suppression: Rapidly responds to transient voltage spikes, diverting excess energy away from the protected circuit.
  • Non-linear Response: Exhibits a non-linear voltage-current characteristic, providing effective protection against sudden voltage changes.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Wide operating temperature range
  • Reliable performance over multiple surge events

Disadvantages

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

Working Principles

The varistor operates based on the principle of voltage-dependent resistance. Under normal operating conditions, it exhibits a high resistance. However, when the voltage exceeds a certain threshold, the varistor rapidly switches to a low-resistance state, effectively shunting the excess current and limiting the voltage across the circuit.

Detailed Application Field Plans

The B72220P3461K101 varistor finds extensive application in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the B72220P3461K101 varistor include: - B72220SxxxxK101 series - B72220TxxxxK101 series - B72220UxxxxK101 series

These alternative models offer similar voltage protection characteristics and are suitable replacements based on specific application requirements.

In conclusion, the B72220P3461K101 varistor serves as a crucial component in protecting electronic circuits from voltage surges, offering reliable and efficient transient suppression. Its wide range of applications and availability of alternative models make it a versatile choice for circuit protection needs.

Word Count: 523

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng B72220P3461K101 trong giải pháp kỹ thuật

  1. What is the B72220P3461K101 component used for in technical solutions?

    • The B72220P3461K101 is a varistor, commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the B72220P3461K101?

    • The B72220P3461K101 has a voltage rating of 460V and a maximum surge current of 4500A.

  3. How does the B72220P3461K101 provide overvoltage protection?

    • The varistor material in the B72220P3461K101 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 B72220P3461K101 commonly used?

    • The B72220P3461K101 is often used in power supplies, industrial equipment, and consumer electronics to safeguard against transient voltage spikes.

  5. What are the typical failure modes of the B72220P3461K101?

    • The B72220P3461K101 can fail due to prolonged exposure to overvoltage conditions or excessive current surges, leading to degradation of its protective capabilities.

  6. Can the B72220P3461K101 be used in automotive applications?

    • Yes, the B72220P3461K101 is suitable for automotive applications where overvoltage protection is required.

  7. Are there any temperature limitations for the B72220P3461K101?

    • The B72220P3461K101 has an operating temperature range of -40°C to +85°C, making it suitable for a wide range of environments.

  8. What are the mounting options for the B72220P3461K101?

    • The B72220P3461K101 is available in various package styles, including leaded and surface mount options, providing flexibility for different assembly processes.

  9. Does the B72220P3461K101 require any additional circuitry for proper operation?

    • The B72220P3461K101 typically requires a series fuse for added protection and may benefit from additional filtering components depending on the specific application requirements.

  10. Is the B72220P3461K101 RoHS compliant?

    • Yes, the B72220P3461K101 is RoHS compliant, meeting environmental standards for lead-free manufacturing.