47K Ohms (1/4 Watt) (Pack of 10)

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7 in stock


A 47K ohms (47,000 ohms) resistor with a 1/4 watt power rating offers a fixed resistance of 47,000 ohms and can handle up to 0.25 watts of power dissipation. It is used in electronic circuits for applications such as signal conditioning, voltage division, and biasing. This resistor is ideal for circuits requiring moderate to high resistance with minimal power dissipation, making it a dependable and versatile component for various electronic devices and designs.

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47K Ohms (1/4 Watt) Resistor

Introduction

The 47K Ohms (1/4 Watt) resistor is a widely used passive electronic component that offers precise control over current and voltage in circuits. Known for its stable performance and versatility, this resistor is an essential part of countless electronic designs. With its specific resistance value, it is suited for a wide range of applications, from signal processing to voltage regulation, making it indispensable for both beginners and professionals alike.

Key Specifications

  • Resistance Value: 47,000 Ohms (47K Ohms)
  • Power Rating: 1/4 Watt (250 mW)
  • Tolerance: Typically ±5% or ±1%, depending on the model
  • Temperature Coefficient: Usually ±200 to ±400 ppm/°C, ensuring stability under varying temperature conditions

Construction and Design

Constructed from high-quality materials like carbon film, metal film, or metal oxide, the 47K Ohms resistor is designed to provide reliable and long-lasting performance. The component features a cylindrical body with axial leads, making it suitable for through-hole mounting in printed circuit boards (PCBs). Its compact design ensures efficient use of space without compromising performance, making it a go-to choice in both space-constrained and large-scale projects.

Applications

The 47K Ohms resistor is employed in various electronic circuits for different purposes:

  • Voltage Dividers: One of the most common uses of this resistor is in voltage divider circuits, where it helps in stepping down voltage to a desired level. This makes it essential for interfacing between components like microcontrollers, sensors, and amplifiers.
  • Current Limiting: It is used in circuits to limit the flow of current, protecting sensitive components such as LEDs and transistors from excessive current, which can lead to damage.
  • Signal Conditioning: In signal processing circuits, the 47K Ohms resistor helps filter and stabilize signals, reducing noise and ensuring accurate data transmission in communication, audio, and data processing systems.
  • Biasing: It is often used to bias transistors and other active components, helping to set their operating points for optimal performance in amplifiers, oscillators, and other analog circuits.
  • Pull-Up/Pull-Down Resistors: In digital circuits, the resistor is used as a pull-up or pull-down resistor to ensure stable logic levels on input pins of microcontrollers and logic gates, preventing floating states that could lead to unreliable operation.

Advantages

  • High Precision: The 47K Ohms resistor offers accurate and stable resistance values, ensuring precision in circuits that demand tight control over current and voltage.
  • Durable and Reliable: Built from robust materials, this resistor can handle fluctuations in voltage and temperature, ensuring long-term reliability and durability in a variety of environments.
  • Versatile Application: Its 47K Ohms resistance value makes it ideal for a range of applications, from simple hobbyist projects to more complex professional electronic designs.
  • Compact Design: Its small form factor allows for easy integration into dense circuit layouts without taking up too much space, making it suitable for compact devices and PCBs.

Conclusion

The 47K Ohms (1/4 Watt) resistor is a crucial component in modern electronics, providing stable and accurate resistance in a variety of applications. Whether you need to control voltage, limit current, or stabilize signals, this resistor ensures your circuit functions reliably. Its high precision, durability, and versatility make it an excellent choice for any electronic project, from simple DIY setups to advanced engineering designs.

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

Sold By : Computronics Lab SKU: 47k-ohms-1-4-watt-1 Category: Tags: ,

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