8.2K Ohms (1/4 Watt) Resistor

Introduction

The 8.2K Ohms (1/4 Watt) resistor is a crucial component in electronics, offering precise resistance and power handling capabilities for various circuit designs. With a resistance value of 8,200 Ohms and a power rating of 1/4 Watt, this resistor is used in a wide range of applications, from hobbyist projects to professional electronic systems. Its reliable performance and compact size make it a versatile choice for managing current and voltage in electronic circuits.

Key Specifications

• Resistance Value: 8,200 Ohms (8.2K Ohms)
• Power Rating: 1/4 Watt (250 mW)
• Tolerance: Typically ±5% or ±1%, depending on the specific model
• Temperature Coefficient: ±200 to ±400 ppm/°C, ensuring consistent performance across temperature changes

Construction and Design

The 8.2K Ohms resistor is constructed from high-quality materials such as carbon film, metal film, or metal oxide. It features a cylindrical body with color-coded bands that denote its resistance value and tolerance. The resistor comes with axial leads for easy through-hole mounting on printed circuit boards (PCBs) or breadboards. Its compact design makes it suitable for use in both dense and expansive circuit layouts.

Applications

The 8.2K Ohms resistor is commonly used in various electronic applications, including:

• Voltage Dividers: Used in voltage divider circuits to adjust voltage levels, making it ideal for interfacing with sensors, microcontrollers, and other components that require specific voltage inputs.
• Current Limiting: Protects sensitive components such as LEDs by limiting the current flow, thereby preventing damage and extending their operational lifespan.
• Signal Filtering: Helps in filtering and stabilizing signals in communication and audio circuits, ensuring clean and accurate data transmission with minimal noise.
• Transistor Biasing: Essential in setting the bias point of transistors in amplifier circuits, allowing for efficient operation and reducing signal distortion.
• Pull-Up/Pull-Down Resistors: Used in digital circuits as pull-up or pull-down resistors to maintain stable logic levels, ensuring reliable performance and preventing floating states.

Advantages

• Precision: Provides accurate and stable resistance, ensuring reliable operation in various electronic circuits and applications.
• Durability: Constructed to withstand temperature fluctuations, voltage variations, and other environmental factors, making it suitable for long-term use.
• Versatility: Its 8.2K Ohms resistance value makes it adaptable for a range of applications, from voltage regulation and current limiting to signal processing and transistor biasing.
• Compact Size: Its small form factor and lightweight design make it easy to integrate into both compact and larger circuit designs, fitting well into diverse PCB layouts.

Conclusion

The 8.2K Ohms (1/4 Watt) resistor is an essential component for controlling current and voltage in electronic circuits. Its precise resistance value, durability, and versatile applications make it a valuable tool for engineers, hobbyists, and professionals alike. Whether used in voltage dividers, current limiting applications, signal filtering, or transistor biasing, this resistor ensures stable and reliable performance, making it a key component in effective circuit design.

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