Littelfuse Inc.
চিত্রটি উপস্থাপনা হতে পারে৷
পণ্যের বিবরণের জন্য স্পেসিফিকেশন দেখুন৷.
V250LU40CPX2855
বিস্তারিত দেখুন ডেটাশিট

V250LU40CPX2855

Product Overview

Category

The V250LU40CPX2855 belongs to the category of varistors, which are electronic components used to protect circuits from overvoltage conditions.

Use

This varistor is commonly used in electronic circuits to suppress voltage spikes and transient surges, thereby safeguarding sensitive components from damage.

Characteristics

  • Voltage Suppression: Capable of suppressing high voltage spikes.
  • Fast Response Time: Provides quick response to transient surges.
  • Reliable Protection: Offers reliable protection for electronic circuits.
  • Compact Package: Comes in a compact package suitable for various circuit designs.

Package

The V250LU40CPX2855 varistor is typically available in a small, cylindrical package, making it suitable for integration into different electronic devices and circuit boards.

Essence

The essence of this varistor lies in its ability to protect electronic circuits by diverting excessive voltage away from sensitive components, thus preventing damage.

Packaging/Quantity

These varistors are usually packaged in reels or trays, with quantities varying based on manufacturer specifications and customer requirements.

Specifications

  • Maximum Allowable Voltage: 250V
  • Peak Current Capability: 4kA
  • Nominal Varistor Voltage: 285V
  • Operating Temperature Range: -40°C to 85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The V250LU40CPX2855 varistor typically features two leads for connection to the circuit. The pin configuration may vary slightly based on the manufacturer's specifications, but generally consists of two axial leads for soldering onto the circuit board.

Functional Features

  • Voltage Clamping: Diverts excess voltage away from the circuit when an overvoltage condition occurs.
  • Transient Surge Suppression: Quickly responds to transient surges, protecting connected components.
  • High Energy Absorption: Capable of absorbing significant energy during voltage spikes.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Fast response time
  • Compact size for easy integration into circuits

Disadvantages

  • Limited maximum allowable voltage compared to higher-rated varistors
  • May require additional protective measures for extremely high voltage environments

Working Principles

The V250LU40CPX2855 varistor operates based on the principle of voltage-dependent resistance. When the voltage across the varistor exceeds its nominal voltage, it conducts current, effectively clamping the voltage to protect the circuit.

Detailed Application Field Plans

Power Supply Protection

In power supply units, the V250LU40CPX2855 varistor can be used to protect against voltage transients and lightning-induced surges, ensuring the safety of sensitive electronic components.

Industrial Equipment

Industrial machinery and equipment often face voltage fluctuations and surges. The varistor can be integrated into control circuits to provide reliable protection.

Consumer Electronics

From televisions to home appliances, the varistor can be utilized to safeguard consumer electronics from voltage spikes, enhancing their reliability and longevity.

Detailed and Complete Alternative Models

  • V275LA20AP: Similar varistor with a higher maximum allowable voltage of 275V.
  • V320LA10AP: Varistor with a lower nominal varistor voltage of 320V, suitable for specific applications.

In conclusion, the V250LU40CPX2855 varistor offers effective protection against voltage spikes and transient surges, making it a valuable component in various electronic applications.

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প্রযুক্তিগত সমাধানে V250LU40CPX2855 এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

  1. What is V250LU40CPX2855?

    • V250LU40CPX2855 is a specific model of surge protection device used to protect electrical and electronic equipment from voltage surges and transients.

  2. How does V250LU40CPX2855 work?

    • V250LU40CPX2855 works by diverting excess voltage and current away from sensitive equipment, thereby preventing damage caused by power surges.

  3. What are the key features of V250LU40CPX2855?

    • The key features of V250LU40CPX2855 include high surge current handling capacity, low clamping voltage, and fast response time.

  4. Where is V250LU40CPX2855 commonly used?

    • V250LU40CPX2855 is commonly used in industrial, commercial, and residential applications to protect equipment such as computers, telecommunication systems, and control systems.

  5. What are the installation requirements for V250LU40CPX2855?

    • V250LU40CPX2855 should be installed by a qualified electrician according to the manufacturer's guidelines, typically at the main electrical panel or at specific equipment locations.

  6. How often should V250LU40CPX2855 be replaced?

    • V250LU40CPX2855 should be periodically inspected and tested, and replaced if it has been exposed to a significant surge event or if it shows signs of damage or wear.

  7. Can V250LU40CPX2855 be used in outdoor applications?

    • Yes, V250LU40CPX2855 is designed to be used in outdoor applications, but it should be installed in a suitable weatherproof enclosure.

  8. Does V250LU40CPX2855 require maintenance?

    • V250LU40CPX2855 generally does not require regular maintenance, but periodic inspection and testing are recommended to ensure proper functionality.

  9. What certifications does V250LU40CPX2855 have?

    • V250LU40CPX2855 may have certifications such as UL (Underwriters Laboratories) or other relevant industry standards, depending on the specific model and application.

  10. What is the warranty period for V250LU40CPX2855?

    • The warranty period for V250LU40CPX2855 varies by manufacturer, but it typically ranges from 5 to 10 years, depending on the specific model and application.