Description

The 3.9K Ohm (3,900 Ohm) 1/4 Watt 5% Through-Hole Resistor is a general-purpose resistor commonly used in electronic circuits for voltage division, current limiting, and signal conditioning. This resistor features a standard axial-leaded design, making it compatible with through-hole mounting and suitable for prototyping or production-level PCB assembly.

Key Features:

• Resistance Value: 3.9KΩ (3,900 Ohms), ideal for mid-range resistance applications.
• Power Rating: 1/4 Watt (0.25W), capable of dissipating moderate power levels without overheating.
• Tolerance: ±5%, ensuring up to 95% accuracy in most general-purpose applications.
• Material: Carbon film or metal film construction (depending on manufacturer) provides stability, reliability, and low noise performance.
• Temperature Coefficient: Typically ±200 ppm/°C, ensuring consistent performance over a wide range of operating temperatures.
• Operating Temperature Range: -55°C to +155°C, making it suitable for use in diverse environmental conditions.
• Size and Packaging: Standard axial lead dimensions ensure compatibility with breadboards, perfboards, and PCBs.

Applications:

• Voltage Dividers: Commonly used in circuits requiring precise voltage adjustments.
• Current Limiting: Ensures safe operation of LEDs, sensors, and other components by restricting current flow.
• Pull-Up/Pull-Down Resistors: Useful for digital circuits to define logic levels and eliminate floating inputs.
• Signal Conditioning: Aids in filtering or impedance matching in audio, RF, and analog circuits.

This resistor is ideal for hobbyists, students, and professional engineers alike, offering a cost-effective, reliable solution for a wide range of electronic applications. Its compatibility with through-hole soldering and robust performance across various operating conditions make it a versatile component in any electronic toolkit.