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V140LC20CPX2855
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V140LC20CPX2855 Encyclopedia Entry

Product Overview

The V140LC20CPX2855 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 V140LC20CPX2855 is designed to provide robust protection against overvoltage events and is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a compact, surface-mount package and is available in various packaging/quantity options to suit different application requirements.

Specifications

  • Voltage Rating: 140V
  • Peak Pulse Current: 2855A
  • Package Type: SMC (DO-214AB)
  • Polarity: Unidirectional
  • Operating Temperature Range: -55°C to 150°C
  • RoHS Compliance: Yes

Detailed Pin Configuration

The V140LC20CPX2855 TVS diode typically features two pins for connection. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

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

Advantages and Disadvantages

Advantages

  • Robust overvoltage protection
  • Fast response time
  • Compact form factor
  • Wide operating temperature range

Disadvantages

  • Clamping voltage may be relatively higher compared to some alternative models
  • Limited peak pulse current compared to higher-rated TVS diodes

Working Principles

The V140LC20CPX2855 operates based on the principle of avalanche breakdown. When an overvoltage event occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively limits the voltage across the circuit to a safe level, preventing damage to sensitive components.

Detailed Application Field Plans

The V140LC20CPX2855 is widely used in various applications, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the V140LC20CPX2855 include: - V130LA20CPX2855: Similar specifications with a slightly lower voltage rating - V150LC20CPX2855: Higher voltage rating with comparable characteristics - P6SMBJ140CA: Surface-mount TVS diode with similar voltage and current ratings

In conclusion, the V140LC20CPX2855 transient voltage suppressor diode offers reliable overvoltage protection with its robust design and fast response time. Its compact form factor and wide operating temperature range make it suitable for a variety of applications, although users should consider the clamping voltage and peak pulse current limitations when selecting this diode for specific use cases.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням V140LC20CPX2855 у технічних рішеннях

  1. What is V140LC20CPX2855?

    • V140LC20CPX2855 is a varistor, also known as a voltage-dependent resistor, that is commonly used to protect electronic circuits from overvoltage conditions.

  2. What are the key specifications of V140LC20CPX2855?

    • The V140LC20CPX2855 has a maximum AC voltage of 115V, a maximum DC voltage of 150V, and a peak current of 4500A.

  3. How does V140LC20CPX2855 function in technical solutions?

    • V140LC20CPX2855 functions by rapidly changing its resistance with changes in applied voltage, effectively diverting excess current away from sensitive components.

  4. In what applications is V140LC20CPX2855 commonly used?

    • V140LC20CPX2855 is commonly used in power supplies, telecommunication equipment, industrial controls, and automotive electronics to protect against transient voltage spikes.

  5. What are the advantages of using V140LC20CPX2855 in technical solutions?

    • The advantages include high surge current capability, fast response time, and compact size, making it suitable for various electronic applications.

  6. How should V140LC20CPX2855 be integrated into a circuit?

    • V140LC20CPX2855 should be connected in parallel with the circuit or component to be protected, ensuring that it can shunt excess voltage away from sensitive areas.

  7. What are the typical failure modes of V140LC20CPX2855?

    • V140LC20CPX2855 can fail due to prolonged exposure to overvoltage conditions, leading to degradation of its protective capabilities.

  8. Are there any temperature considerations when using V140LC20CPX2855?

    • V140LC20CPX2855 operates within a specified temperature range, typically between -40°C to +85°C, and should be selected based on the application's temperature requirements.

  9. Can V140LC20CPX2855 be replaced with other varistors in a circuit?

    • While V140LC20CPX2855 has specific characteristics, it can be replaced with other varistors with similar voltage and current ratings, but careful consideration should be given to the new component's specifications.

  10. Where can I find detailed technical information about V140LC20CPX2855?

    • Detailed technical information about V140LC20CPX2855 can be found in the datasheet provided by the manufacturer or through authorized distributors and technical support channels.