270K Ohms (1/4 Watt) Resistor

Introduction

The 270K Ohms (1/4 Watt) resistor is a high-value resistor essential for a variety of electronic applications where accurate resistance is critical. With a resistance of 270,000 Ohms and a power rating of 1/4 Watt, this resistor is widely used in circuits requiring precise control of current and voltage.

Key Specifications

• Resistance Value: 270,000 Ohms (270K 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 consistent resistance performance across different temperatures

Construction and Design

The 270K Ohms resistor is typically made from metal film, carbon film, or metal oxide materials. It features a cylindrical body with color bands that indicate 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 allows for easy integration into various electronic circuits.

Applications

The 270K Ohms resistor is used in a range of electronic applications, including:

• Voltage Dividers: Ideal for voltage divider circuits where high resistance values are necessary to scale down voltages 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 ensure stable logic levels and prevent floating states, contributing to reliable circuit operation.
• Signal Conditioning: Assists in filtering and stabilizing signals in communication and audio circuits, ensuring clean and accurate signal transmission with minimal noise and interference.
• Biasing Circuits: Used in biasing circuits to set the appropriate operating points for transistors and other active components, optimizing circuit 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, which is crucial for maintaining consistent performance in electronic circuits.
• Durability: Designed to handle temperature variations, voltage changes, and other environmental factors, ensuring long-term reliability.
• High Resistance: With a resistance value of 270K Ohms, it is suitable 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 compact and larger circuit layouts, fitting well into various PCB designs.

Conclusion

The 270K Ohms (1/4 Watt) resistor is a valuable component for managing high resistance levels in electronic circuits. Its precise resistance value, durability, and versatility make it an essential tool for engineers, hobbyists, and professionals. Whether used in voltage dividers, pull-up/pull-down configurations, signal conditioning, or biasing circuits, this resistor ensures reliable and stable performance, contributing to effective and efficient circuit design.

180 Ohms (1/4 Watt) (Pack of 10)