Littelfuse Inc.
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V140LS20CPX2855
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V140LS20CPX2855 Encyclopedia Entry

Product Overview

The V140LS20CPX2855 belongs to the category of transient voltage suppressor (TVS) diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The V140LS20CPX2855 is designed to provide robust protection for various electronic circuits and devices. Its characteristics include high surge capability, low clamping voltage, and fast response time. The package type for this diode is typically a surface mount device (SMD), and it is available in various packaging/quantity options to suit different application requirements.

Specifications

  • Voltage Rating: 140V
  • Peak Pulse Current: 2855A
  • Package Type: SMD
  • Operating Temperature Range: -55°C to 150°C
  • RoHS Compliance: Yes

Detailed Pin Configuration

The V140LS20CPX2855 typically features a standard SMD pin configuration with clearly labeled input and output terminals. It is essential to refer to the datasheet for the specific pinout details.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
  • High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • RoHS compliant

Disadvantages

  • Higher cost compared to traditional diode solutions
  • Sensitive to reverse polarity connection

Working Principles

The V140LS20CPX2855 operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The V140LS20CPX2855 is widely used in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  1. V130LS20CPX2855: Similar specifications with a slightly lower voltage rating.
  2. V150LS20CPX2855: Similar specifications with a slightly higher voltage rating.
  3. P6SMBJ140CA: Alternative TVS diode with similar characteristics.

In conclusion, the V140LS20CPX2855 transient voltage suppressor diode offers robust protection against voltage transients and surges, making it an essential component in various electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de V140LS20CPX2855 dans les solutions techniques

  1. What is V140LS20CPX2855?

    • V140LS20CPX2855 is a type of varistor, also known as a voltage-dependent resistor, that is commonly used to protect electronic circuits from overvoltage conditions.

  2. How does V140LS20CPX2855 work?

    • V140LS20CPX2855 works by changing its resistance in response to changes in voltage. When the voltage exceeds a certain threshold, the varistor conducts current and shunts the excess voltage away from the protected circuit.

  3. What are the typical applications of V140LS20CPX2855?

    • V140LS20CPX2855 is commonly used in surge protection devices, power supplies, telecommunications equipment, and industrial control systems to protect against transient voltage spikes and surges.

  4. What are the key specifications of V140LS20CPX2855?

    • The key specifications of V140LS20CPX2855 include its maximum continuous operating voltage, peak current capability, energy absorption capability, response time, and operating temperature range.

  5. How should V140LS20CPX2855 be installed in a circuit?

    • V140LS20CPX2855 should be connected in parallel with the circuit or device to be protected, ensuring that it can quickly respond to any overvoltage conditions.

  6. What are the advantages of using V140LS20CPX2855 in technical solutions?

    • V140LS20CPX2855 provides effective and reliable protection against voltage transients, has a fast response time, and can handle multiple surge events without degradation.

  7. Are there any limitations or considerations when using V140LS20CPX2855?

    • It's important to consider the maximum operating voltage, energy handling capability, and response time to ensure that V140LS20CPX2855 is suitable for the specific application.

  8. Can V140LS20CPX2855 be used in outdoor or harsh environments?

    • Yes, V140LS20CPX2855 is designed to withstand outdoor and harsh environmental conditions, making it suitable for a wide range of applications.

  9. How can the performance of V140LS20CPX2855 be tested or verified?

    • The performance of V140LS20CPX2855 can be tested using surge generators, transient voltage suppressor (TVS) testers, or other specialized testing equipment to simulate real-world surge events.

  10. Where can V140LS20CPX2855 be sourced or purchased?

    • V140LS20CPX2855 can be sourced from electronic component distributors, manufacturers, or authorized resellers who specialize in surge protection components.