Littelfuse Inc.
قد تكون الصورة تمثيلية.
راجع المواصفات للحصول على تفاصيل المنتج.
V300LA4PX1347

V300LA4PX1347

Product Overview

  • Category: Electronic Component
  • Use: Surge Protection
  • Characteristics: High energy absorption, fast response time
  • Package: Radial Lead Varistor
  • Essence: Protects electronic circuits from voltage surges
  • Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Voltage Rating: 300V
  • Peak Current: 4000A
  • Energy Absorption: 65J
  • Operating Temperature: -40°C to +85°C
  • Dimensions: 10mm diameter, 13.5mm length

Detailed Pin Configuration

  • The V300LA4PX1347 has two radial leads for easy mounting on a circuit board.

Functional Features

  • Provides reliable overvoltage protection
  • Fast response time to clamp transient voltage spikes
  • Low leakage current for minimal power dissipation

Advantages and Disadvantages

Advantages

  • High energy absorption capacity
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Bulkier compared to some SMD varistors
  • Requires additional PCB space for mounting

Working Principles

The V300LA4PX1347 operates based on the principle of voltage-dependent resistance. When a surge voltage is applied, the varistor's resistance decreases, diverting excess current away from sensitive components.

Detailed Application Field Plans

The V300LA4PX1347 is commonly used in: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • V250LA20APX1348: Lower voltage rating, suitable for lower voltage applications
  • V385LA10APX1350: Higher energy absorption, suitable for high-energy environments

This concludes the entry for V300LA4PX1347, a radial lead varistor designed for surge protection in various electronic applications.

[Word Count: 252]

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق V300LA4PX1347 في الحلول التقنية

  1. What is the V300LA4PX1347?

    • The V300LA4PX1347 is a metal oxide varistor (MOV) designed for overvoltage protection in electronic circuits.

  2. What are the key specifications of the V300LA4PX1347?

    • The V300LA4PX1347 has a maximum AC voltage of 250V, a maximum DC voltage of 320V, and a peak current capability of 6500A.

  3. How does the V300LA4PX1347 provide overvoltage protection?

    • The V300LA4PX1347 clamps excessive voltage levels by diverting surge currents away from sensitive components, thus protecting the circuit from damage.

  4. In what applications can the V300LA4PX1347 be used?

    • The V300LA4PX1347 is commonly used in power supplies, telecommunications equipment, industrial controls, and automotive electronics to safeguard against voltage transients.

  5. What is the operating temperature range of the V300LA4PX1347?

    • The V300LA4PX1347 is designed to operate within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.

  6. How is the V300LA4PX1347 installed in a circuit?

    • The V300LA4PX1347 is typically connected across the input or output terminals of the circuit, providing a shunt path for transient voltages.

  7. What are the failure modes of the V300LA4PX1347?

    • The V300LA4PX1347 can fail in either a short-circuit or open-circuit mode when subjected to sustained overvoltage conditions beyond its ratings.

  8. Can multiple V300LA4PX1347 devices be used in parallel for higher surge current handling?

    • Yes, multiple V300LA4PX1347 devices can be connected in parallel to increase the overall surge current capability of the protection system.

  9. Are there any reliability tests or certifications associated with the V300LA4PX1347?

    • The V300LA4PX1347 may undergo various reliability tests such as temperature cycling, humidity testing, and surge endurance to meet industry standards like UL and CSA.

  10. What are some best practices for incorporating the V300LA4PX1347 into a design?

    • It's important to consider proper PCB layout, thermal management, and coordination with other protective devices to ensure effective integration of the V300LA4PX1347 in a technical solution.