LR2F820K

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Through Hole Resistors are some of the most fundamental components in electrical and electronic circuits. They provide basic resistance which is used to control current flow and regulate voltage levels. LR2F820K resistors are a type of through hole resistor manufactured by TDK. This particular product is often used in power supply applications, loudspeaker systems, and other DC circuits.

The LR2F820K features a cylindrical construction composed of an Aluminum Oxide epoxy body. It also utilizes a solderable nickel-plated copper exterior and an internal resistance element. The solderable surface enables easy attachment to printed circuit boards, ensuring reliable electrical connection. The Aluminum Oxide epoxy body provides mechanical and thermal protection, while the annealed Nickel-plated copper housing can resist general wear.

The resistor has an internal resistance of 820kΩ±10%, which provides a fixed resistance value, helping to regulate and limit the flow of current. It also features a power rating of 3W and a maximum temperature rating of 125°C. Furthermore, the LR2F820K is also rated for surge energy of 10J. This ensures that the resistor can handle the excessive current demand of inrush currents, typically seen in power supplies.

The LR2F820K is generally used in power supply applications. Its high power rating and internal resistance make it a robust option for reducing the flow of voltage and regulating the amount of current. It can often be seen in power converter and battery charger circuits. The resistor is also suitable for use in loudspeaker systems, helping to avoid system overloads due to high current demands.

In summary, the LR2F820K is a general purpose through hole resistor ideal for applications such as power supplies, loudspeaker systems, and other DC circuits. Its annealed Nickel-plated copper housing provides solid mechanical protection, while its internal resistance element ensures reliable current control. Furthermore, its solderable surface enables easy attachment to printed circuit boards, providing a reliable electrical connection.

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