47K Ohms (2 Watt) Resistor: Essential High-Resistance Component for Power Electronics (Pack of 5)

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The 47K ohms (2 watt) resistor is a high-resistance component with a resistance value of 47,000 ohms, capable of handling up to 2 watts of power. It is used in electronic circuits to control current flow, divide voltages, and stabilize circuit performance. The 2-watt power rating allows it to manage higher power dissipation without overheating, making it suitable for applications requiring both high resistance and significant power handling, such as in power supplies, voltage dividers, and high-impedance circuits.

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47K Ohms (2 Watt) Resistor: Essential High-Resistance Component for Power Electronics

Overview The 47K ohms (2 watt) resistor is a critical passive component in electronic circuits, offering a resistance value of 47,000 ohms and a power rating of 2 watts. This resistor is designed to handle moderate power levels while maintaining precise resistance, making it ideal for applications requiring current limiting, voltage dropping, and signal conditioning.

Key Features

  • High Resistance Value: The 47K ohms resistance is suitable for circuits requiring significant resistance, such as voltage dividers, biasing networks, and filtering applications. It effectively limits current flow and ensures proper voltage distribution within the circuit.
  • Power Handling: With a 2-watt power rating, this resistor can dissipate heat efficiently, making it suitable for power-intensive applications. It ensures that the resistor can withstand higher voltage and current levels without compromising performance.
  • Precision Manufacturing: This resistor is produced with tight tolerance levels, ensuring accurate resistance values. Its consistent performance is essential for circuits where precision is critical, such as in analog signal processing and control circuits.
  • Robust Construction: Typically constructed from materials like metal oxide film or carbon film, the 47K ohms resistor is built for durability. It can withstand high temperatures and environmental stresses, making it reliable for long-term use in various electronic devices.
  • Thermal Stability: The resistor has a low temperature coefficient, meaning it maintains its resistance value across a wide range of operating temperatures. This stability is vital for circuits that must perform reliably in fluctuating environmental conditions.

Applications

  1. Voltage Dividers: The 47K ohms resistor is commonly used in voltage dividers to achieve specific voltage levels from a higher voltage source, ensuring accurate voltage supply in electronic circuits.
  2. Signal Conditioning: In analog and digital circuits, this resistor helps in conditioning signals by filtering noise and maintaining proper voltage levels for processing.
  3. Biasing Networks: It is often employed in biasing networks for transistors and other semiconductor devices, establishing the correct operating point and ensuring consistent performance.
  4. Feedback Circuits: In operational amplifier circuits, the 47K ohms resistor is used to set the gain and provide feedback, helping stabilize the circuit’s performance.
  5. Power Supply Filtering: This resistor can be used in power supply circuits to smooth out voltage fluctuations and provide a stable voltage to sensitive components.
  6. RC Timing Circuits: When paired with a capacitor, the 47K ohms resistor can be used in RC timing circuits to create specific time delays and control oscillation frequencies.
  7. Impedance Matching: The resistor is ideal for impedance matching in communication systems, helping to optimize signal transmission and reduce signal loss.
  8. LED Current Limiting: The 47K ohms resistor can be used in LED circuits to limit the current flow, protecting the LEDs from damage due to excessive current.
  9. Sensor Interface Circuits: This resistor is often used in sensor interface circuits to pull-up or pull-down lines, ensuring proper logic levels and reliable sensor readings.
  10. High-Impedance Applications: The resistor’s high resistance makes it suitable for high-impedance circuits, where minimal current draw is necessary, such as in audio and signal processing circuits.

Advantages

  • High Power Dissipation: The 2-watt rating allows the resistor to dissipate significant heat, making it suitable for applications where power dissipation is a concern.
  • Stable Resistance: The 47K ohms value provides reliable and consistent resistance, crucial for maintaining circuit stability and performance.
  • Precision: With tight tolerance levels, this resistor offers accurate resistance, ensuring that circuits function as intended without variations.
  • Versatility: The combination of high resistance and power handling makes this resistor suitable for a wide range of applications, from signal processing to power management.
  • Durability: Built with high-quality materials, the resistor is designed to last, offering reliable performance even under demanding conditions.

Conclusion The 47K ohms (2 watt) resistor is an essential component for engineers and hobbyists working on power electronics, analog circuits, and signal processing. Its ability to handle moderate power levels while providing precise resistance makes it ideal for a wide range of applications, including voltage dividers, biasing networks, and feedback circuits. With its robust construction and reliable performance, this resistor is a valuable addition to any electronic project requiring high resistance and power dissipation capabilities.

100 Ohms (1 Watt) Resistor: High-Performance Power Resistor (Pack of 5)

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