200K Ohms (1/4 Watt) Resistor

Introduction

The 200K Ohms (1/4 Watt) resistor is a crucial component in electronic circuits, known for its high resistance value and reliable power rating. With a resistance of 200,000 Ohms and a power rating of 1/4 Watt, this resistor plays a significant role in various applications, from voltage regulation to signal conditioning. Its precision and durability make it an essential tool for engineers and hobbyists alike.

Key Specifications

• Resistance Value: 200,000 Ohms (200K Ohms)
• Power Rating: 1/4 Watt (250 mW)
• Tolerance: Typically ±5% or ±1%, depending on the specific model
• Temperature Coefficient: ±100 to ±200 ppm/°C, ensuring stable resistance performance across temperature variations

Construction and Design

The 200K Ohms resistor is commonly made from materials such as metal film, carbon film, or metal oxide. It features a cylindrical body with color bands indicating its resistance value and tolerance. The resistor is equipped with axial leads, which are suitable for through-hole mounting on printed circuit boards (PCBs) or breadboards. Its compact design makes it easy to integrate into various circuit layouts.

Applications

The 200K Ohms resistor is used in a variety of electronic circuits and applications, including:

• High-Value Voltage Dividers: Ideal for use in voltage divider circuits where high resistance values are necessary to scale down voltage levels for sensors, microcontrollers, and analog-to-digital converters.
• Pull-Up/Pull-Down Resistors: Functions as pull-up or pull-down resistors in digital circuits to maintain stable logic levels and prevent floating states, ensuring reliable operation.
• Signal Conditioning: Assists in filtering and stabilizing signals in communication and audio circuits, providing clean and accurate signal transmission with minimal interference.
• Biasing Circuits: Used to set appropriate bias points for transistors in amplifier circuits, optimizing performance and reducing signal distortion.
• Leakage Current Limiting: Helps limit leakage current in circuits, protecting sensitive components and ensuring stable operation.

Advantages

• Precision: Provides accurate and stable resistance values, crucial for maintaining performance and consistency in electronic applications.
• Durability: Designed to withstand temperature variations, voltage changes, and other environmental factors, making it suitable for long-term use.
• High Resistance: With a resistance value of 200K Ohms, it is perfect for applications requiring high resistance levels, such as voltage dividers and signal conditioning.
• Compact Size: Its small and lightweight design allows for easy integration into both densely packed and more open circuit layouts, fitting well into various PCB designs.

Conclusion

The 200K Ohms (1/4 Watt) resistor is an essential component for managing high resistance levels in electronic circuits. Its precise resistance value, durability, and versatility make it a valuable tool for engineers, hobbyists, and professionals. Whether used in voltage dividers, pull-up/pull-down applications, signal conditioning, or biasing circuits, this resistor ensures reliable and stable performance, contributing to effective and efficient circuit design.

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