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0494.250NR

0494.250NR Product Overview

Product Identification

  • Product Name: 0494.250NR
  • Belongs to: Electrical Components
  • Category: Resistors
  • Use: Used to limit or control the flow of electric current in a circuit
  • Characteristics: Precision resistance, high reliability, compact size
  • Package: SMD (Surface Mount Device)
  • Essence: Provides precise resistance for electronic circuits
  • Packaging/Quantity: Typically packaged in reels of 1000 units

Specifications

  • Resistance Value: 249 Ohms
  • Tolerance: ±0.5%
  • Power Rating: 0.25 Watts
  • Temperature Coefficient: ±50 ppm/°C

Detailed Pin Configuration

  • Type: Surface Mount
  • Configuration: Two terminals at each end

Functional Features

  • Precision Resistance: Provides accurate and stable resistance value
  • High Reliability: Ensures consistent performance over time
  • Compact Size: Suitable for space-constrained applications

Advantages and Disadvantages

Advantages

  1. Precise resistance value
  2. High reliability
  3. Compact size

Disadvantages

  1. Limited power handling capacity
  2. Sensitive to temperature variations

Working Principles

0494.250NR operates based on the principle of resistive heating, where it dissipates electrical energy as heat to limit the current flow through a circuit.

Detailed Application Field Plans

  • Consumer Electronics: Used in smartphones, tablets, and other portable devices
  • Automotive Electronics: Employed in vehicle control systems and infotainment units
  • Industrial Control Systems: Integrated into automation and monitoring equipment

Detailed and Complete Alternative Models

  1. 0494.500NR: 500 Ohm precision resistor with similar characteristics
  2. 0494.100NR: 100 Ohm precision resistor suitable for lower resistance applications
  3. 0494.050NR: 50 Ohm precision resistor for higher resistance requirements

This comprehensive entry provides an in-depth understanding of 0494.250NR, covering its basic information, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 0494.250NR trong giải pháp kỹ thuật

  1. What is 0494.250NR?

    • 0494.250NR is a specific type of component used in technical solutions, typically in electronic or electrical applications.
  2. What are the key features of 0494.250NR?

    • The key features of 0494.250NR include its resistance value, power rating, temperature coefficient, and tolerance level.
  3. How is 0494.250NR used in technical solutions?

    • 0494.250NR is commonly used as a resistor in circuitry to control the flow of electric current and voltage within a system.
  4. What are the typical applications of 0494.250NR?

    • Typical applications of 0494.250NR include use in power supplies, amplifiers, sensors, and various electronic devices.
  5. What is the resistance value of 0494.250NR?

    • The resistance value of 0494.250NR is 0.25 ohms, which determines its ability to impede the flow of current in a circuit.
  6. What is the power rating of 0494.250NR?

    • The power rating of 0494.250NR indicates the maximum amount of power it can dissipate without being damaged, typically around 1 watt.
  7. What is the temperature coefficient of 0494.250NR?

    • The temperature coefficient of 0494.250NR refers to how its resistance changes with temperature variations, often expressed in parts per million per degree Celsius (ppm/°C).
  8. What is the tolerance level of 0494.250NR?

    • The tolerance level of 0494.250NR specifies the range within which its actual resistance may vary from the stated nominal value, typically around ±5%.
  9. Are there any special considerations when using 0494.250NR in technical solutions?

    • It's important to consider factors such as heat dissipation, voltage ratings, and environmental conditions to ensure optimal performance and longevity of 0494.250NR.
  10. Where can I source 0494.250NR for my technical solution?

    • 0494.250NR can be sourced from reputable electronic component suppliers, distributors, or manufacturers specializing in resistors and related components.