Description

The 8K2 Ohm (8.2K) 1/2W 5% Through Hole Resistor is a versatile electronic component commonly used in various applications such as voltage regulation, current limiting, and signal conditioning. With a resistance of 8.2K ohms (8,200 ohms), a power rating of 1/2 watt (0.5W), and a 5% tolerance, this resistor is suitable for low-to-medium power circuits. Its through-hole mounting design ensures easy and secure installation into printed circuit boards (PCBs), making it ideal for both prototyping and production purposes.

Key Specifications:

• Resistance: 8.2K ohms (8,200 ohms)

  • The 8.2K ohm resistor is typically used in applications where a moderate level of resistance is needed to control current flow or scale down voltage. It is often found in voltage divider circuits, signal processing, and filtering systems.

• Power Rating: 1/2 watt (0.5W)

  • The 1/2 watt power rating ensures that this resistor can safely dissipate up to 0.5 watts of power without the risk of overheating, making it suitable for low-to-medium power applications.

• Tolerance: ±5%

  • The 5% tolerance indicates that the actual resistance may vary by 5% from the nominal value. For the 8.2K ohm resistor, the actual resistance could range from 7,790 ohms to 8,610 ohms.

• Mounting Type: Through-hole

  • The through-hole mounting design allows the resistor's leads to be inserted through holes in the PCB and soldered in place, providing a secure and stable electrical connection. This design is commonly used in both development and mass-production environments.

Applications:

• Current Limiting:
  The 8.2K ohm resistor is frequently used in current-limiting circuits to prevent excessive current from damaging sensitive components such as LEDs and transistors.

• Voltage Regulation:
  This resistor is used in voltage regulation circuits to help stabilize voltage levels, ensuring that sensitive components receive a consistent and safe supply of power.

• Voltage Divider Circuits:
  The 8.2K ohm resistor is often part of voltage divider circuits, which are used to scale down higher voltage levels for use in measurement devices, sensors, or analog-to-digital converters.

• Signal Processing and Filtering:
  It is used in signal conditioning and filtering applications, where it helps to stabilize signal levels, filter out noise, and ensure that output signals are clean and accurate. Common applications include audio amplification and RF (radio frequency) circuits.

Physical Characteristics:

• Size:
  The 1/2 watt resistor typically measures around 1/4 inch (6.35 mm) in length and 1/8 inch (3.18 mm) in diameter, although dimensions may vary slightly depending on the manufacturer.

• Construction:
  The resistor has a cylindrical body with metal leads extending from both ends. These leads pass through holes in the PCB, where they are soldered to create a stable and reliable electrical connection.

Summary:
The 8K2 Ohm (8.2K) 1/2W 5% Through Hole Resistor is a reliable and widely used component in electronic circuits. With its 8.2K ohm resistance, 1/2 watt power rating, and 5% tolerance, this resistor is well-suited for moderate power applications. Its through-hole mounting design ensures secure and easy integration into PCBs, making it ideal for both prototyping and production. Whether used for current limiting, voltage regulation, voltage division, or signal processing, this resistor delivers consistent and dependable performance across various electronic systems.