Description

The 18K Ohm 1/4W 5% Through Hole Resistor is a precision passive electronic component designed to resist the flow of electrical current. It is commonly used in a variety of electronic circuits to limit current and divide voltages, offering high accuracy for circuit functions. Below is a detailed description:

Key Features:

1. Resistance Value: This resistor has a resistance of 18,000 ohms (18KΩ), making it suitable for applications that require a specific value of resistance to control the flow of current or set particular voltage levels in a circuit.

2. Power Rating: With a power rating of 1/4 watt (0.25W), this resistor can safely dissipate up to 0.25 watts of power without overheating, making it appropriate for low-power applications. It is designed to handle moderate current without failure or degradation.

3. Tolerance: The resistor features a 5% tolerance, meaning the actual resistance value could vary by ±5% from the nominal 18KΩ value. This tolerance level ensures that the resistor is suitable for general-purpose use where precise resistance values are not critical, but accuracy is still important.

4. Through Hole Mounting: The through-hole design of the resistor makes it easy to integrate into a wide variety of circuits, especially in traditional PCB (Printed Circuit Board) designs. It is mounted by inserting the resistor's leads through holes in the board and soldering them into place, ensuring a secure electrical connection.

5. Construction: The resistor is typically made with a ceramic or fiberglass core with metal oxide or metal film elements, ensuring durability and stable performance over a range of operating conditions.

6. Applications: This type of resistor is commonly used in:

   • Voltage dividers
   • Current-limiting circuits
   • Signal processing circuits
   • Filtering applications
   • Biasing circuits
   • Audio equipment
   • Power regulation systems
   • Consumer electronics and general-purpose circuits.

7. Standard Compliance: The resistor meets industry standards for electrical and mechanical characteristics, ensuring reliability and longevity in diverse applications.

Mechanical Specifications:

• Body Dimensions: Typically, the body length is around 6.5mm, with a diameter of about 2mm, depending on the manufacturer.
• Lead Spacing: Standard lead spacing is 2.5mm, ensuring compatibility with most through-hole circuit designs.

The 18K Ohm 1/4W 5% Through Hole Resistor is an essential component in electronic design, providing reliable resistance with moderate power handling capabilities for various electronic projects and devices.