15K Ohms (1/4 Watt) Resistor

Introduction

The 15K Ohms (1/4 Watt) resistor is a critical passive component used in countless electronic circuits to regulate current and voltage. With a resistance of 15,000 Ohms and a power rating of 1/4 Watt, this resistor offers high reliability and precision. It is an ideal choice for a wide variety of applications, including signal processing, current limiting, and voltage regulation, whether you’re working on DIY projects or industrial-level designs.

Key Specifications

• Resistance Value: 15,000 Ohms (15K Ohms)
• Power Rating: 1/4 Watt (250 mW)
• Tolerance: Typically ±5% or ±1%, depending on the model
• Temperature Coefficient: ±200 to ±400 ppm/°C, ensuring stable performance under temperature fluctuations

Construction and Design

Constructed from durable materials such as carbon film, metal film, or metal oxide, the 15K Ohms resistor is designed to offer long-lasting performance in various operating environments. Its compact cylindrical body is color-coded to indicate its resistance value, tolerance, and other parameters. The resistor features axial leads for easy through-hole mounting on printed circuit boards (PCBs) or breadboards. Its small size and lightweight construction make it suitable for use in both compact and large-scale circuits.

Applications

The 15K Ohms resistor is commonly used across many applications, including:

• Voltage Dividers: This resistor is frequently used in voltage divider circuits to step down voltage levels for components like sensors, amplifiers, and microcontrollers, ensuring proper operation at the required voltage.
• Current Limiting: By limiting the amount of current in a circuit, the 15K Ohms resistor helps protect components such as LEDs and transistors from damage due to excessive current flow.
• Signal Filtering: In communication and signal processing circuits, the 15K Ohms resistor can filter and condition signals, ensuring smooth data transmission and reducing noise.
• Biasing Transistors: It plays a role in setting the operating point of transistors in amplifier circuits, allowing for efficient amplification with minimal distortion.
• Pull-Up/Pull-Down Resistors: In digital electronics, this resistor is used as a pull-up or pull-down resistor to ensure that logic circuits have stable voltage levels, preventing floating inputs that can lead to errors in microcontroller or logic gate operation.

Advantages

• Precision and Stability: The 15K Ohms resistor provides accurate resistance with minimal deviation, making it a trusted choice for precision circuits that require stable and reliable performance.
• Durability: Built with high-quality materials, the resistor is designed to endure temperature changes and voltage fluctuations, ensuring long-term functionality in a wide range of conditions.
• Versatility: Its 15K Ohms resistance value makes it adaptable for various applications such as voltage regulation, current limiting, and signal filtering, allowing it to be used in a broad range of electronic designs.
• Compact Design: Its small, space-saving design allows for easy integration into tight circuits, making it ideal for compact devices or dense PCBs.

Conclusion

The 15K Ohms (1/4 Watt) resistor is a versatile and reliable component for controlling current and voltage in electronic circuits. Whether you are working on voltage divider circuits, current-limiting applications, or signal processing, this resistor provides stable and precise resistance. Its compact size, durability, and broad applicability make it an essential tool for engineers, hobbyists, and professionals alike, ensuring your circuits run smoothly and efficiently.

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